mirror of
https://github.com/autc04/Retro68.git
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4005 lines
95 KiB
C
4005 lines
95 KiB
C
/****************************************************************************
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||
* *
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* GNAT COMPILER COMPONENTS *
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* *
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* A D A I N T *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2013, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* As a special exception under Section 7 of GPL version 3, you are granted *
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* additional permissions described in the GCC Runtime Library Exception, *
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* version 3.1, as published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License and *
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* a copy of the GCC Runtime Library Exception along with this program; *
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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/* This file contains those routines named by Import pragmas in
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packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in
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package Osint. Many of the subprograms in OS_Lib import standard
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library calls directly. This file contains all other routines. */
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#ifdef __vxworks
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/* No need to redefine exit here. */
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#undef exit
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||
/* We want to use the POSIX variants of include files. */
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#define POSIX
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#include "vxWorks.h"
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#if defined (__mips_vxworks)
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#include "cacheLib.h"
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#endif /* __mips_vxworks */
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/* If SMP, access vxCpuConfiguredGet */
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#ifdef _WRS_CONFIG_SMP
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#include <vxCpuLib.h>
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#endif /* _WRS_CONFIG_SMP */
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/* We need to know the VxWorks version because some file operations
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(such as chmod) are only available on VxWorks 6. */
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#include "version.h"
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#endif /* VxWorks */
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#if defined (__APPLE__)
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#include <unistd.h>
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#endif
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#if defined (__hpux__)
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#include <sys/param.h>
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#include <sys/pstat.h>
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#endif
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#ifdef VMS
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#define _POSIX_EXIT 1
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#define HOST_EXECUTABLE_SUFFIX ".exe"
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#define HOST_OBJECT_SUFFIX ".obj"
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#endif
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#ifdef IN_RTS
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#include "tconfig.h"
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#include "tsystem.h"
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <time.h>
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#ifdef VMS
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#include <unixio.h>
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#endif
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#if defined (__vxworks) || defined (__ANDROID__)
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/* S_IREAD and S_IWRITE are not defined in VxWorks or Android */
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#ifndef S_IREAD
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#define S_IREAD (S_IRUSR | S_IRGRP | S_IROTH)
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#endif
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#ifndef S_IWRITE
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#define S_IWRITE (S_IWUSR)
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#endif
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#endif
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/* We don't have libiberty, so use malloc. */
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#define xmalloc(S) malloc (S)
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#define xrealloc(V,S) realloc (V,S)
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#else
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#include "config.h"
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#include "system.h"
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#include "version.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined (__MINGW32__)
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#if defined (RTX)
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#include <windows.h>
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#include <Rtapi.h>
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#else
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#include "mingw32.h"
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/* Current code page to use, set in initialize.c. */
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UINT CurrentCodePage;
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#endif
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#include <sys/utime.h>
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/* For isalpha-like tests in the compiler, we're expected to resort to
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safe-ctype.h/ISALPHA. This isn't available for the runtime library
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build, so we fallback on ctype.h/isalpha there. */
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#ifdef IN_RTS
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#include <ctype.h>
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#define ISALPHA isalpha
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#endif
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#elif defined (__Lynx__)
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/* Lynx utime.h only defines the entities of interest to us if
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defined (VMOS_DEV), so ... */
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#define VMOS_DEV
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#include <utime.h>
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#undef VMOS_DEV
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#elif !defined (VMS)
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#include <utime.h>
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#endif
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/* wait.h processing */
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#ifdef __MINGW32__
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#if OLD_MINGW
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#include <sys/wait.h>
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#endif
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#elif defined (__vxworks) && defined (__RTP__)
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#include <wait.h>
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#elif defined (__Lynx__)
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/* ??? We really need wait.h and it includes resource.h on Lynx. GCC
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has a resource.h header as well, included instead of the lynx
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version in our setup, causing lots of errors. We don't really need
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the lynx contents of this file, so just workaround the issue by
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preventing the inclusion of the GCC header from doing anything. */
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#define GCC_RESOURCE_H
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#include <sys/wait.h>
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#elif defined (__nucleus__)
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/* No wait() or waitpid() calls available. */
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#else
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/* Default case. */
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#include <sys/wait.h>
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#endif
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#if defined (_WIN32)
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#elif defined (VMS)
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/* Header files and definitions for __gnat_set_file_time_name. */
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#define __NEW_STARLET 1
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#include <vms/rms.h>
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#include <vms/atrdef.h>
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#include <vms/fibdef.h>
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#include <vms/stsdef.h>
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#include <vms/iodef.h>
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#include <errno.h>
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#include <vms/descrip.h>
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#include <string.h>
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#include <unixlib.h>
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/* Use native 64-bit arithmetic. */
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#define unix_time_to_vms(X,Y) \
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{ \
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unsigned long long reftime, tmptime = (X); \
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$DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \
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SYS$BINTIM (&unixtime, &reftime); \
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Y = tmptime * 10000000 + reftime; \
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}
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/* descrip.h doesn't have everything ... */
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typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) ));
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struct dsc$descriptor_fib
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{
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unsigned int fib$l_len;
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__fibdef_ptr32 fib$l_addr;
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};
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/* I/O Status Block. */
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struct IOSB
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{
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unsigned short status, count;
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unsigned int devdep;
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};
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static char *tryfile;
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/* Variable length string. */
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struct vstring
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{
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short length;
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char string[NAM$C_MAXRSS+1];
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};
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#define SYI$_ACTIVECPU_CNT 0x111e
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extern int LIB$GETSYI (int *, unsigned int *);
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extern unsigned int LIB$CALLG_64 (unsigned long long argument_list [],
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int (*user_procedure)(void));
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#else
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#include <utime.h>
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#endif
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#if defined (_WIN32)
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#include <process.h>
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#endif
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#if defined (_WIN32)
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#include <dir.h>
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#include <windows.h>
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#include <accctrl.h>
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#include <aclapi.h>
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#undef DIR_SEPARATOR
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#define DIR_SEPARATOR '\\'
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#endif
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#include "adaint.h"
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/* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not
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defined in the current system. On DOS-like systems these flags control
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whether the file is opened/created in text-translation mode (CR/LF in
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external file mapped to LF in internal file), but in Unix-like systems,
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no text translation is required, so these flags have no effect. */
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#ifndef O_TEXT
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#define O_TEXT 0
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#endif
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#ifndef HOST_EXECUTABLE_SUFFIX
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#define HOST_EXECUTABLE_SUFFIX ""
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#endif
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#ifndef HOST_OBJECT_SUFFIX
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#define HOST_OBJECT_SUFFIX ".o"
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#endif
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#ifndef PATH_SEPARATOR
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#define PATH_SEPARATOR ':'
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#endif
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#ifndef DIR_SEPARATOR
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#define DIR_SEPARATOR '/'
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#endif
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/* Check for cross-compilation. */
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#if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE)
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#define IS_CROSS 1
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int __gnat_is_cross_compiler = 1;
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#else
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#undef IS_CROSS
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int __gnat_is_cross_compiler = 0;
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#endif
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char __gnat_dir_separator = DIR_SEPARATOR;
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char __gnat_path_separator = PATH_SEPARATOR;
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/* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define
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the base filenames that libraries specified with -lsomelib options
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may have. This is used by GNATMAKE to check whether an executable
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is up-to-date or not. The syntax is
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library_template ::= { pattern ; } pattern NUL
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pattern ::= [ prefix ] * [ postfix ]
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These should only specify names of static libraries as it makes
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no sense to determine at link time if dynamic-link libraries are
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up to date or not. Any libraries that are not found are supposed
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to be up-to-date:
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* if they are needed but not present, the link
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will fail,
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* otherwise they are libraries in the system paths and so
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they are considered part of the system and not checked
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for that reason.
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??? This should be part of a GNAT host-specific compiler
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file instead of being included in all user applications
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as well. This is only a temporary work-around for 3.11b. */
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#ifndef GNAT_LIBRARY_TEMPLATE
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#if defined (VMS)
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#define GNAT_LIBRARY_TEMPLATE "*.olb"
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#else
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#define GNAT_LIBRARY_TEMPLATE "lib*.a"
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#endif
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#endif
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const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE;
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/* This variable is used in hostparm.ads to say whether the host is a VMS
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system. */
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#ifdef VMS
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int __gnat_vmsp = 1;
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#else
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int __gnat_vmsp = 0;
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#endif
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#if defined (VMS)
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#define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */
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#elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__)
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#define GNAT_MAX_PATH_LEN PATH_MAX
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#else
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#if defined (__MINGW32__)
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#include "mingw32.h"
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#if OLD_MINGW
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#include <sys/param.h>
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#endif
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#else
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#include <sys/param.h>
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#endif
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#ifdef MAXPATHLEN
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#define GNAT_MAX_PATH_LEN MAXPATHLEN
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#else
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#define GNAT_MAX_PATH_LEN 256
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#endif
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#endif
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/* Used for runtime check that Ada constant File_Attributes_Size is no
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less than the actual size of struct file_attributes (see Osint
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initialization). */
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int __gnat_size_of_file_attributes = sizeof (struct file_attributes);
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void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr);
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/* The __gnat_max_path_len variable is used to export the maximum
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length of a path name to Ada code. max_path_len is also provided
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for compatibility with older GNAT versions, please do not use
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it. */
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int __gnat_max_path_len = GNAT_MAX_PATH_LEN;
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int max_path_len = GNAT_MAX_PATH_LEN;
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/* Control whether we can use ACL on Windows. */
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int __gnat_use_acl = 1;
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/* The following macro HAVE_READDIR_R should be defined if the
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system provides the routine readdir_r. */
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#undef HAVE_READDIR_R
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#if defined(VMS) && defined (__LONG_POINTERS)
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/* Return a 32 bit pointer to an array of 32 bit pointers
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given a 64 bit pointer to an array of 64 bit pointers */
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typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI)));
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static __char_ptr_char_ptr32
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to_ptr32 (char **ptr64)
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{
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int argc;
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__char_ptr_char_ptr32 short_argv;
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for (argc = 0; ptr64[argc]; argc++)
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;
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/* Reallocate argv with 32 bit pointers. */
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short_argv = (__char_ptr_char_ptr32) decc$malloc
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(sizeof (__char_ptr32) * (argc + 1));
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for (argc = 0; ptr64[argc]; argc++)
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short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]);
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short_argv[argc] = (__char_ptr32) 0;
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return short_argv;
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}
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#define MAYBE_TO_PTR32(argv) to_ptr32 (argv)
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#else
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#define MAYBE_TO_PTR32(argv) argv
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#endif
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static const char ATTR_UNSET = 127;
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||
|
||
/* Reset the file attributes as if no system call had been performed */
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void
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__gnat_reset_attributes (struct file_attributes* attr)
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||
{
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||
attr->exists = ATTR_UNSET;
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attr->error = EINVAL;
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||
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||
attr->writable = ATTR_UNSET;
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||
attr->readable = ATTR_UNSET;
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||
attr->executable = ATTR_UNSET;
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||
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||
attr->regular = ATTR_UNSET;
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||
attr->symbolic_link = ATTR_UNSET;
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||
attr->directory = ATTR_UNSET;
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||
|
||
attr->timestamp = (OS_Time)-2;
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||
attr->file_length = -1;
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||
}
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||
|
||
int
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__gnat_error_attributes (struct file_attributes *attr) {
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||
return attr->error;
|
||
}
|
||
|
||
OS_Time
|
||
__gnat_current_time (void)
|
||
{
|
||
time_t res = time (NULL);
|
||
return (OS_Time) res;
|
||
}
|
||
|
||
/* Return the current local time as a string in the ISO 8601 format of
|
||
"YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters
|
||
long. */
|
||
|
||
void
|
||
__gnat_current_time_string (char *result)
|
||
{
|
||
const char *format = "%Y-%m-%d %H:%M:%S";
|
||
/* Format string necessary to describe the ISO 8601 format */
|
||
|
||
const time_t t_val = time (NULL);
|
||
|
||
strftime (result, 22, format, localtime (&t_val));
|
||
/* Convert the local time into a string following the ISO format, copying
|
||
at most 22 characters into the result string. */
|
||
|
||
result [19] = '.';
|
||
result [20] = '0';
|
||
result [21] = '0';
|
||
/* The sub-seconds are manually set to zero since type time_t lacks the
|
||
precision necessary for nanoseconds. */
|
||
}
|
||
|
||
void
|
||
__gnat_to_gm_time (OS_Time *p_time, int *p_year, int *p_month, int *p_day,
|
||
int *p_hours, int *p_mins, int *p_secs)
|
||
{
|
||
struct tm *res;
|
||
time_t time = (time_t) *p_time;
|
||
|
||
#ifdef _WIN32
|
||
/* On Windows systems, the time is sometimes rounded up to the nearest
|
||
even second, so if the number of seconds is odd, increment it. */
|
||
if (time & 1)
|
||
time++;
|
||
#endif
|
||
|
||
#ifdef VMS
|
||
res = localtime (&time);
|
||
#else
|
||
res = gmtime (&time);
|
||
#endif
|
||
|
||
if (res)
|
||
{
|
||
*p_year = res->tm_year;
|
||
*p_month = res->tm_mon;
|
||
*p_day = res->tm_mday;
|
||
*p_hours = res->tm_hour;
|
||
*p_mins = res->tm_min;
|
||
*p_secs = res->tm_sec;
|
||
}
|
||
else
|
||
*p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0;
|
||
}
|
||
|
||
/* Place the contents of the symbolic link named PATH in the buffer BUF,
|
||
which has size BUFSIZ. If PATH is a symbolic link, then return the number
|
||
of characters of its content in BUF. Otherwise, return -1.
|
||
For systems not supporting symbolic links, always return -1. */
|
||
|
||
int
|
||
__gnat_readlink (char *path ATTRIBUTE_UNUSED,
|
||
char *buf ATTRIBUTE_UNUSED,
|
||
size_t bufsiz ATTRIBUTE_UNUSED)
|
||
{
|
||
#if defined (_WIN32) || defined (VMS) \
|
||
|| defined(__vxworks) || defined (__nucleus__)
|
||
return -1;
|
||
#else
|
||
return readlink (path, buf, bufsiz);
|
||
#endif
|
||
}
|
||
|
||
/* Creates a symbolic link named NEWPATH which contains the string OLDPATH.
|
||
If NEWPATH exists it will NOT be overwritten.
|
||
For systems not supporting symbolic links, always return -1. */
|
||
|
||
int
|
||
__gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
|
||
char *newpath ATTRIBUTE_UNUSED)
|
||
{
|
||
#if defined (_WIN32) || defined (VMS) \
|
||
|| defined(__vxworks) || defined (__nucleus__)
|
||
return -1;
|
||
#else
|
||
return symlink (oldpath, newpath);
|
||
#endif
|
||
}
|
||
|
||
/* Try to lock a file, return 1 if success. */
|
||
|
||
#if defined (__vxworks) || defined (__nucleus__) \
|
||
|| defined (_WIN32) || defined (VMS)
|
||
|
||
/* Version that does not use link. */
|
||
|
||
int
|
||
__gnat_try_lock (char *dir, char *file)
|
||
{
|
||
int fd;
|
||
#ifdef __MINGW32__
|
||
TCHAR wfull_path[GNAT_MAX_PATH_LEN];
|
||
TCHAR wfile[GNAT_MAX_PATH_LEN];
|
||
TCHAR wdir[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wdir, dir, GNAT_MAX_PATH_LEN);
|
||
S2WSC (wfile, file, GNAT_MAX_PATH_LEN);
|
||
|
||
_stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile);
|
||
fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600);
|
||
#else
|
||
char full_path[256];
|
||
|
||
sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
|
||
fd = open (full_path, O_CREAT | O_EXCL, 0600);
|
||
#endif
|
||
|
||
if (fd < 0)
|
||
return 0;
|
||
|
||
close (fd);
|
||
return 1;
|
||
}
|
||
|
||
#else
|
||
|
||
/* Version using link(), more secure over NFS. */
|
||
/* See TN 6913-016 for discussion ??? */
|
||
|
||
int
|
||
__gnat_try_lock (char *dir, char *file)
|
||
{
|
||
char full_path[256];
|
||
char temp_file[256];
|
||
GNAT_STRUCT_STAT stat_result;
|
||
int fd;
|
||
|
||
sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
|
||
sprintf (temp_file, "%s%cTMP-%ld-%ld",
|
||
dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ());
|
||
|
||
/* Create the temporary file and write the process number. */
|
||
fd = open (temp_file, O_CREAT | O_WRONLY, 0600);
|
||
if (fd < 0)
|
||
return 0;
|
||
|
||
close (fd);
|
||
|
||
/* Link it with the new file. */
|
||
link (temp_file, full_path);
|
||
|
||
/* Count the references on the old one. If we have a count of two, then
|
||
the link did succeed. Remove the temporary file before returning. */
|
||
__gnat_stat (temp_file, &stat_result);
|
||
unlink (temp_file);
|
||
return stat_result.st_nlink == 2;
|
||
}
|
||
#endif
|
||
|
||
/* Return the maximum file name length. */
|
||
|
||
int
|
||
__gnat_get_maximum_file_name_length (void)
|
||
{
|
||
#if defined (VMS)
|
||
if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS"))
|
||
return -1;
|
||
else
|
||
return 39;
|
||
#else
|
||
return -1;
|
||
#endif
|
||
}
|
||
|
||
/* Return nonzero if file names are case sensitive. */
|
||
|
||
static int file_names_case_sensitive_cache = -1;
|
||
|
||
int
|
||
__gnat_get_file_names_case_sensitive (void)
|
||
{
|
||
if (file_names_case_sensitive_cache == -1)
|
||
{
|
||
const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE");
|
||
|
||
if (sensitive != NULL
|
||
&& (sensitive[0] == '0' || sensitive[0] == '1')
|
||
&& sensitive[1] == '\0')
|
||
file_names_case_sensitive_cache = sensitive[0] - '0';
|
||
else
|
||
#if defined (VMS) || defined (WINNT) || defined (__APPLE__)
|
||
file_names_case_sensitive_cache = 0;
|
||
#else
|
||
file_names_case_sensitive_cache = 1;
|
||
#endif
|
||
}
|
||
return file_names_case_sensitive_cache;
|
||
}
|
||
|
||
/* Return nonzero if environment variables are case sensitive. */
|
||
|
||
int
|
||
__gnat_get_env_vars_case_sensitive (void)
|
||
{
|
||
#if defined (VMS) || defined (WINNT)
|
||
return 0;
|
||
#else
|
||
return 1;
|
||
#endif
|
||
}
|
||
|
||
char
|
||
__gnat_get_default_identifier_character_set (void)
|
||
{
|
||
return '1';
|
||
}
|
||
|
||
/* Return the current working directory. */
|
||
|
||
void
|
||
__gnat_get_current_dir (char *dir, int *length)
|
||
{
|
||
#if defined (__MINGW32__)
|
||
TCHAR wdir[GNAT_MAX_PATH_LEN];
|
||
|
||
_tgetcwd (wdir, *length);
|
||
|
||
WS2SC (dir, wdir, GNAT_MAX_PATH_LEN);
|
||
|
||
#elif defined (VMS)
|
||
/* Force Unix style, which is what GNAT uses internally. */
|
||
getcwd (dir, *length, 0);
|
||
#else
|
||
getcwd (dir, *length);
|
||
#endif
|
||
|
||
*length = strlen (dir);
|
||
|
||
if (dir [*length - 1] != DIR_SEPARATOR)
|
||
{
|
||
dir [*length] = DIR_SEPARATOR;
|
||
++(*length);
|
||
}
|
||
dir[*length] = '\0';
|
||
}
|
||
|
||
/* Return the suffix for object files. */
|
||
|
||
void
|
||
__gnat_get_object_suffix_ptr (int *len, const char **value)
|
||
{
|
||
*value = HOST_OBJECT_SUFFIX;
|
||
|
||
if (*value == 0)
|
||
*len = 0;
|
||
else
|
||
*len = strlen (*value);
|
||
|
||
return;
|
||
}
|
||
|
||
/* Return the suffix for executable files. */
|
||
|
||
void
|
||
__gnat_get_executable_suffix_ptr (int *len, const char **value)
|
||
{
|
||
*value = HOST_EXECUTABLE_SUFFIX;
|
||
if (!*value)
|
||
*len = 0;
|
||
else
|
||
*len = strlen (*value);
|
||
|
||
return;
|
||
}
|
||
|
||
/* Return the suffix for debuggable files. Usually this is the same as the
|
||
executable extension. */
|
||
|
||
void
|
||
__gnat_get_debuggable_suffix_ptr (int *len, const char **value)
|
||
{
|
||
*value = HOST_EXECUTABLE_SUFFIX;
|
||
|
||
if (*value == 0)
|
||
*len = 0;
|
||
else
|
||
*len = strlen (*value);
|
||
|
||
return;
|
||
}
|
||
|
||
/* Returns the OS filename and corresponding encoding. */
|
||
|
||
void
|
||
__gnat_os_filename (char *filename ATTRIBUTE_UNUSED,
|
||
char *w_filename ATTRIBUTE_UNUSED,
|
||
char *os_name, int *o_length,
|
||
char *encoding ATTRIBUTE_UNUSED, int *e_length)
|
||
{
|
||
#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length);
|
||
*o_length = strlen (os_name);
|
||
strcpy (encoding, "encoding=utf8");
|
||
*e_length = strlen (encoding);
|
||
#else
|
||
strcpy (os_name, filename);
|
||
*o_length = strlen (filename);
|
||
*e_length = 0;
|
||
#endif
|
||
}
|
||
|
||
/* Delete a file. */
|
||
|
||
int
|
||
__gnat_unlink (char *path)
|
||
{
|
||
#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
return _tunlink (wpath);
|
||
}
|
||
#else
|
||
return unlink (path);
|
||
#endif
|
||
}
|
||
|
||
/* Rename a file. */
|
||
|
||
int
|
||
__gnat_rename (char *from, char *to)
|
||
{
|
||
#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
{
|
||
TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wfrom, from, GNAT_MAX_PATH_LEN);
|
||
S2WSC (wto, to, GNAT_MAX_PATH_LEN);
|
||
return _trename (wfrom, wto);
|
||
}
|
||
#else
|
||
return rename (from, to);
|
||
#endif
|
||
}
|
||
|
||
/* Changing directory. */
|
||
|
||
int
|
||
__gnat_chdir (char *path)
|
||
{
|
||
#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
return _tchdir (wpath);
|
||
}
|
||
#else
|
||
return chdir (path);
|
||
#endif
|
||
}
|
||
|
||
/* Removing a directory. */
|
||
|
||
int
|
||
__gnat_rmdir (char *path)
|
||
{
|
||
#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
return _trmdir (wpath);
|
||
}
|
||
#elif defined (VTHREADS)
|
||
/* rmdir not available */
|
||
return -1;
|
||
#else
|
||
return rmdir (path);
|
||
#endif
|
||
}
|
||
|
||
FILE *
|
||
__gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED,
|
||
char *vms_form ATTRIBUTE_UNUSED)
|
||
{
|
||
#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
TCHAR wmode[10];
|
||
|
||
S2WS (wmode, mode, 10);
|
||
|
||
if (encoding == Encoding_Unspecified)
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
else if (encoding == Encoding_UTF8)
|
||
S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
|
||
else
|
||
S2WS (wpath, path, GNAT_MAX_PATH_LEN);
|
||
|
||
return _tfopen (wpath, wmode);
|
||
#elif defined (VMS)
|
||
if (vms_form == 0)
|
||
return decc$fopen (path, mode);
|
||
else
|
||
{
|
||
char *local_form = (char *) alloca (strlen (vms_form) + 1);
|
||
/* Allocate an argument list of guaranteed ample length. */
|
||
unsigned long long *arg_list =
|
||
(unsigned long long *) alloca (strlen (vms_form) + 3);
|
||
char *ptrb, *ptre;
|
||
int i;
|
||
|
||
arg_list [1] = (unsigned long long) path;
|
||
arg_list [2] = (unsigned long long) mode;
|
||
strcpy (local_form, vms_form);
|
||
|
||
/* Given a string such as "\"rfm=udf\",\"rat=cr\""
|
||
Split it into an argument list as "rfm=udf","rat=cr". */
|
||
ptrb = local_form;
|
||
for (i = 0; *ptrb; i++)
|
||
{
|
||
ptrb = strchr (ptrb, '"');
|
||
ptre = strchr (ptrb + 1, '"');
|
||
*ptre = 0;
|
||
arg_list [i + 3] = (unsigned long long) (ptrb + 1);
|
||
ptrb = ptre + 1;
|
||
}
|
||
arg_list [0] = i + 2;
|
||
/* CALLG_64 returns int , fortunately (FILE *) on VMS is a
|
||
always a 32bit pointer. */
|
||
return LIB$CALLG_64 (arg_list, &decc$fopen);
|
||
}
|
||
#else
|
||
return GNAT_FOPEN (path, mode);
|
||
#endif
|
||
}
|
||
|
||
FILE *
|
||
__gnat_freopen (char *path,
|
||
char *mode,
|
||
FILE *stream,
|
||
int encoding ATTRIBUTE_UNUSED,
|
||
char *vms_form ATTRIBUTE_UNUSED)
|
||
{
|
||
#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
TCHAR wmode[10];
|
||
|
||
S2WS (wmode, mode, 10);
|
||
|
||
if (encoding == Encoding_Unspecified)
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
else if (encoding == Encoding_UTF8)
|
||
S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
|
||
else
|
||
S2WS (wpath, path, GNAT_MAX_PATH_LEN);
|
||
|
||
return _tfreopen (wpath, wmode, stream);
|
||
#elif defined (VMS)
|
||
if (vms_form == 0)
|
||
return decc$freopen (path, mode, stream);
|
||
else
|
||
{
|
||
char *local_form = (char *) alloca (strlen (vms_form) + 1);
|
||
/* Allocate an argument list of guaranteed ample length. */
|
||
unsigned long long *arg_list =
|
||
(unsigned long long *) alloca (strlen (vms_form) + 4);
|
||
char *ptrb, *ptre;
|
||
int i;
|
||
|
||
arg_list [1] = (unsigned long long) path;
|
||
arg_list [2] = (unsigned long long) mode;
|
||
arg_list [3] = (unsigned long long) stream;
|
||
strcpy (local_form, vms_form);
|
||
|
||
/* Given a string such as "\"rfm=udf\",\"rat=cr\""
|
||
Split it into an argument list as "rfm=udf","rat=cr". */
|
||
ptrb = local_form;
|
||
for (i = 0; *ptrb; i++)
|
||
{
|
||
ptrb = strchr (ptrb, '"');
|
||
ptre = strchr (ptrb + 1, '"');
|
||
*ptre = 0;
|
||
arg_list [i + 4] = (unsigned long long) (ptrb + 1);
|
||
ptrb = ptre + 1;
|
||
}
|
||
arg_list [0] = i + 3;
|
||
/* CALLG_64 returns int , fortunately (FILE *) on VMS is a
|
||
always a 32bit pointer. */
|
||
return LIB$CALLG_64 (arg_list, &decc$freopen);
|
||
}
|
||
#else
|
||
return freopen (path, mode, stream);
|
||
#endif
|
||
}
|
||
|
||
int
|
||
__gnat_open_read (char *path, int fmode)
|
||
{
|
||
int fd;
|
||
int o_fmode = O_BINARY;
|
||
|
||
if (fmode)
|
||
o_fmode = O_TEXT;
|
||
|
||
#if defined (VMS)
|
||
/* Optional arguments mbc,deq,fop increase read performance. */
|
||
fd = open (path, O_RDONLY | o_fmode, 0444,
|
||
"mbc=16", "deq=64", "fop=tef");
|
||
#elif defined (__vxworks)
|
||
fd = open (path, O_RDONLY | o_fmode, 0444);
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_RDONLY | o_fmode, 0444);
|
||
}
|
||
#else
|
||
fd = open (path, O_RDONLY | o_fmode);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
#if defined (__MINGW32__)
|
||
#define PERM (S_IREAD | S_IWRITE)
|
||
#elif defined (VMS)
|
||
/* Excerpt from DECC C RTL Reference Manual:
|
||
To create files with OpenVMS RMS default protections using the UNIX
|
||
system-call functions umask, mkdir, creat, and open, call mkdir, creat,
|
||
and open with a file-protection mode argument of 0777 in a program
|
||
that never specifically calls umask. These default protections include
|
||
correctly establishing protections based on ACLs, previous versions of
|
||
files, and so on. */
|
||
#define PERM 0777
|
||
#else
|
||
#define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
|
||
#endif
|
||
|
||
int
|
||
__gnat_open_rw (char *path, int fmode)
|
||
{
|
||
int fd;
|
||
int o_fmode = O_BINARY;
|
||
|
||
if (fmode)
|
||
o_fmode = O_TEXT;
|
||
|
||
#if defined (VMS)
|
||
fd = open (path, O_RDWR | o_fmode, PERM,
|
||
"mbc=16", "deq=64", "fop=tef");
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_RDWR | o_fmode, PERM);
|
||
}
|
||
#else
|
||
fd = open (path, O_RDWR | o_fmode, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
int
|
||
__gnat_open_create (char *path, int fmode)
|
||
{
|
||
int fd;
|
||
int o_fmode = O_BINARY;
|
||
|
||
if (fmode)
|
||
o_fmode = O_TEXT;
|
||
|
||
#if defined (VMS)
|
||
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM,
|
||
"mbc=16", "deq=64", "fop=tef");
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
|
||
}
|
||
#else
|
||
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
int
|
||
__gnat_create_output_file (char *path)
|
||
{
|
||
int fd;
|
||
#if defined (VMS)
|
||
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM,
|
||
"rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk",
|
||
"shr=del,get,put,upd");
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
|
||
}
|
||
#else
|
||
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
int
|
||
__gnat_create_output_file_new (char *path)
|
||
{
|
||
int fd;
|
||
#if defined (VMS)
|
||
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM,
|
||
"rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk",
|
||
"shr=del,get,put,upd");
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
|
||
}
|
||
#else
|
||
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
int
|
||
__gnat_open_append (char *path, int fmode)
|
||
{
|
||
int fd;
|
||
int o_fmode = O_BINARY;
|
||
|
||
if (fmode)
|
||
o_fmode = O_TEXT;
|
||
|
||
#if defined (VMS)
|
||
fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM,
|
||
"mbc=16", "deq=64", "fop=tef");
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
|
||
}
|
||
#else
|
||
fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
/* Open a new file. Return error (-1) if the file already exists. */
|
||
|
||
int
|
||
__gnat_open_new (char *path, int fmode)
|
||
{
|
||
int fd;
|
||
int o_fmode = O_BINARY;
|
||
|
||
if (fmode)
|
||
o_fmode = O_TEXT;
|
||
|
||
#if defined (VMS)
|
||
fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM,
|
||
"mbc=16", "deq=64", "fop=tef");
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
TCHAR wpath[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
||
fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
||
}
|
||
#else
|
||
fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
/* Open a new temp file. Return error (-1) if the file already exists.
|
||
Special options for VMS allow the file to be shared between parent and child
|
||
processes, however they really slow down output. Used in gnatchop. */
|
||
|
||
int
|
||
__gnat_open_new_temp (char *path, int fmode)
|
||
{
|
||
int fd;
|
||
int o_fmode = O_BINARY;
|
||
|
||
strcpy (path, "GNAT-XXXXXX");
|
||
|
||
#if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \
|
||
|| defined (linux) || defined(__GLIBC__)) && !defined (__vxworks)
|
||
return mkstemp (path);
|
||
#elif defined (__Lynx__)
|
||
mktemp (path);
|
||
#elif defined (__nucleus__)
|
||
return -1;
|
||
#else
|
||
if (mktemp (path) == NULL)
|
||
return -1;
|
||
#endif
|
||
|
||
if (fmode)
|
||
o_fmode = O_TEXT;
|
||
|
||
#if defined (VMS)
|
||
fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM,
|
||
"rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd",
|
||
"mbc=16", "deq=64", "fop=tef");
|
||
#else
|
||
fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
||
#endif
|
||
|
||
return fd < 0 ? -1 : fd;
|
||
}
|
||
|
||
/****************************************************************
|
||
** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information
|
||
** as possible from it, storing the result in a cache for later reuse
|
||
****************************************************************/
|
||
|
||
void
|
||
__gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr)
|
||
{
|
||
GNAT_STRUCT_STAT statbuf;
|
||
int ret, error;
|
||
|
||
if (fd != -1) {
|
||
/* GNAT_FSTAT returns -1 and sets errno for failure */
|
||
ret = GNAT_FSTAT (fd, &statbuf);
|
||
error = ret ? errno : 0;
|
||
|
||
} else {
|
||
/* __gnat_stat returns errno value directly */
|
||
error = __gnat_stat (name, &statbuf);
|
||
ret = error ? -1 : 0;
|
||
}
|
||
|
||
/*
|
||
* A missing file is reported as an attr structure with error == 0 and
|
||
* exists == 0.
|
||
*/
|
||
|
||
if (error == 0 || error == ENOENT)
|
||
attr->error = 0;
|
||
else
|
||
attr->error = error;
|
||
|
||
attr->regular = (!ret && S_ISREG (statbuf.st_mode));
|
||
attr->directory = (!ret && S_ISDIR (statbuf.st_mode));
|
||
|
||
if (!attr->regular)
|
||
attr->file_length = 0;
|
||
else
|
||
/* st_size may be 32 bits, or 64 bits which is converted to long. We
|
||
don't return a useful value for files larger than 2 gigabytes in
|
||
either case. */
|
||
attr->file_length = statbuf.st_size; /* all systems */
|
||
|
||
attr->exists = !ret;
|
||
|
||
#if !defined (_WIN32) || defined (RTX)
|
||
/* on Windows requires extra system call, see __gnat_is_readable_file_attr */
|
||
attr->readable = (!ret && (statbuf.st_mode & S_IRUSR));
|
||
attr->writable = (!ret && (statbuf.st_mode & S_IWUSR));
|
||
attr->executable = (!ret && (statbuf.st_mode & S_IXUSR));
|
||
#endif
|
||
|
||
if (ret != 0) {
|
||
attr->timestamp = (OS_Time)-1;
|
||
} else {
|
||
#ifdef VMS
|
||
/* VMS has file versioning. */
|
||
attr->timestamp = (OS_Time)statbuf.st_ctime;
|
||
#else
|
||
attr->timestamp = (OS_Time)statbuf.st_mtime;
|
||
#endif
|
||
}
|
||
}
|
||
|
||
/****************************************************************
|
||
** Return the number of bytes in the specified file
|
||
****************************************************************/
|
||
|
||
long
|
||
__gnat_file_length_attr (int fd, char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->file_length == -1) {
|
||
__gnat_stat_to_attr (fd, name, attr);
|
||
}
|
||
|
||
return attr->file_length;
|
||
}
|
||
|
||
long
|
||
__gnat_file_length (int fd)
|
||
{
|
||
struct file_attributes attr;
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_file_length_attr (fd, NULL, &attr);
|
||
}
|
||
|
||
long
|
||
__gnat_named_file_length (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_file_length_attr (-1, name, &attr);
|
||
}
|
||
|
||
/* Create a temporary filename and put it in string pointed to by
|
||
TMP_FILENAME. */
|
||
|
||
void
|
||
__gnat_tmp_name (char *tmp_filename)
|
||
{
|
||
#ifdef RTX
|
||
/* Variable used to create a series of unique names */
|
||
static int counter = 0;
|
||
|
||
/* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */
|
||
strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-");
|
||
sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++);
|
||
|
||
#elif defined (__MINGW32__)
|
||
{
|
||
char *pname;
|
||
char prefix[25];
|
||
|
||
/* tempnam tries to create a temporary file in directory pointed to by
|
||
TMP environment variable, in c:\temp if TMP is not set, and in
|
||
directory specified by P_tmpdir in stdio.h if c:\temp does not
|
||
exist. The filename will be created with the prefix "gnat-". */
|
||
|
||
sprintf (prefix, "gnat-%d-", (int)getpid());
|
||
pname = (char *) _tempnam ("c:\\temp", prefix);
|
||
|
||
/* if pname is NULL, the file was not created properly, the disk is full
|
||
or there is no more free temporary files */
|
||
|
||
if (pname == NULL)
|
||
*tmp_filename = '\0';
|
||
|
||
/* If pname start with a back slash and not path information it means that
|
||
the filename is valid for the current working directory. */
|
||
|
||
else if (pname[0] == '\\')
|
||
{
|
||
strcpy (tmp_filename, ".\\");
|
||
strcat (tmp_filename, pname+1);
|
||
}
|
||
else
|
||
strcpy (tmp_filename, pname);
|
||
|
||
free (pname);
|
||
}
|
||
|
||
#elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \
|
||
|| defined (__OpenBSD__) || defined(__GLIBC__)
|
||
#define MAX_SAFE_PATH 1000
|
||
char *tmpdir = getenv ("TMPDIR");
|
||
|
||
/* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid
|
||
a buffer overflow. */
|
||
if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH)
|
||
strcpy (tmp_filename, "/tmp/gnat-XXXXXX");
|
||
else
|
||
sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir);
|
||
|
||
close (mkstemp(tmp_filename));
|
||
#elif defined (__vxworks) && !(defined (__RTP__) || defined (VTHREADS))
|
||
int index;
|
||
char * pos;
|
||
ushort_t t;
|
||
static ushort_t seed = 0; /* used to generate unique name */
|
||
|
||
/* generate unique name */
|
||
strcpy (tmp_filename, "tmp");
|
||
|
||
/* fill up the name buffer from the last position */
|
||
index = 5;
|
||
pos = tmp_filename + strlen (tmp_filename) + index;
|
||
*pos = '\0';
|
||
|
||
seed++;
|
||
for (t = seed; 0 <= --index; t >>= 3)
|
||
*--pos = '0' + (t & 07);
|
||
#else
|
||
tmpnam (tmp_filename);
|
||
#endif
|
||
}
|
||
|
||
/* Open directory and returns a DIR pointer. */
|
||
|
||
DIR* __gnat_opendir (char *name)
|
||
{
|
||
#if defined (RTX)
|
||
/* Not supported in RTX */
|
||
|
||
return NULL;
|
||
|
||
#elif defined (__MINGW32__)
|
||
TCHAR wname[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
||
return (DIR*)_topendir (wname);
|
||
|
||
#else
|
||
return opendir (name);
|
||
#endif
|
||
}
|
||
|
||
/* Read the next entry in a directory. The returned string points somewhere
|
||
in the buffer. */
|
||
|
||
char *
|
||
__gnat_readdir (DIR *dirp, char *buffer, int *len)
|
||
{
|
||
#if defined (RTX)
|
||
/* Not supported in RTX */
|
||
|
||
return NULL;
|
||
|
||
#elif defined (__MINGW32__)
|
||
struct _tdirent *dirent = _treaddir ((_TDIR*)dirp);
|
||
|
||
if (dirent != NULL)
|
||
{
|
||
WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN);
|
||
*len = strlen (buffer);
|
||
|
||
return buffer;
|
||
}
|
||
else
|
||
return NULL;
|
||
|
||
#elif defined (HAVE_READDIR_R)
|
||
/* If possible, try to use the thread-safe version. */
|
||
if (readdir_r (dirp, buffer) != NULL)
|
||
{
|
||
*len = strlen (((struct dirent*) buffer)->d_name);
|
||
return ((struct dirent*) buffer)->d_name;
|
||
}
|
||
else
|
||
return NULL;
|
||
|
||
#else
|
||
struct dirent *dirent = (struct dirent *) readdir (dirp);
|
||
|
||
if (dirent != NULL)
|
||
{
|
||
strcpy (buffer, dirent->d_name);
|
||
*len = strlen (buffer);
|
||
return buffer;
|
||
}
|
||
else
|
||
return NULL;
|
||
|
||
#endif
|
||
}
|
||
|
||
/* Close a directory entry. */
|
||
|
||
int __gnat_closedir (DIR *dirp)
|
||
{
|
||
#if defined (RTX)
|
||
/* Not supported in RTX */
|
||
|
||
return 0;
|
||
|
||
#elif defined (__MINGW32__)
|
||
return _tclosedir ((_TDIR*)dirp);
|
||
|
||
#else
|
||
return closedir (dirp);
|
||
#endif
|
||
}
|
||
|
||
/* Returns 1 if readdir is thread safe, 0 otherwise. */
|
||
|
||
int
|
||
__gnat_readdir_is_thread_safe (void)
|
||
{
|
||
#ifdef HAVE_READDIR_R
|
||
return 1;
|
||
#else
|
||
return 0;
|
||
#endif
|
||
}
|
||
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
/* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */
|
||
static const unsigned long long w32_epoch_offset = 11644473600ULL;
|
||
|
||
/* Returns the file modification timestamp using Win32 routines which are
|
||
immune against daylight saving time change. It is in fact not possible to
|
||
use fstat for this purpose as the DST modify the st_mtime field of the
|
||
stat structure. */
|
||
|
||
static time_t
|
||
win32_filetime (HANDLE h)
|
||
{
|
||
union
|
||
{
|
||
FILETIME ft_time;
|
||
unsigned long long ull_time;
|
||
} t_write;
|
||
|
||
/* GetFileTime returns FILETIME data which are the number of 100 nanosecs
|
||
since <Jan 1st 1601>. This function must return the number of seconds
|
||
since <Jan 1st 1970>. */
|
||
|
||
if (GetFileTime (h, NULL, NULL, &t_write.ft_time))
|
||
return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
|
||
return (time_t) 0;
|
||
}
|
||
|
||
/* As above but starting from a FILETIME. */
|
||
static void
|
||
f2t (const FILETIME *ft, time_t *t)
|
||
{
|
||
union
|
||
{
|
||
FILETIME ft_time;
|
||
unsigned long long ull_time;
|
||
} t_write;
|
||
|
||
t_write.ft_time = *ft;
|
||
*t = (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
|
||
}
|
||
#endif
|
||
|
||
/* Return a GNAT time stamp given a file name. */
|
||
|
||
OS_Time
|
||
__gnat_file_time_name_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->timestamp == (OS_Time)-2) {
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
BOOL res;
|
||
WIN32_FILE_ATTRIBUTE_DATA fad;
|
||
time_t ret = -1;
|
||
TCHAR wname[GNAT_MAX_PATH_LEN];
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
||
|
||
if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad)))
|
||
f2t (&fad.ftLastWriteTime, &ret);
|
||
attr->timestamp = (OS_Time) ret;
|
||
#else
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
#endif
|
||
}
|
||
return attr->timestamp;
|
||
}
|
||
|
||
OS_Time
|
||
__gnat_file_time_name (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_file_time_name_attr (name, &attr);
|
||
}
|
||
|
||
/* Return a GNAT time stamp given a file descriptor. */
|
||
|
||
OS_Time
|
||
__gnat_file_time_fd_attr (int fd, struct file_attributes* attr)
|
||
{
|
||
if (attr->timestamp == (OS_Time)-2) {
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
HANDLE h = (HANDLE) _get_osfhandle (fd);
|
||
time_t ret = win32_filetime (h);
|
||
attr->timestamp = (OS_Time) ret;
|
||
|
||
#else
|
||
__gnat_stat_to_attr (fd, NULL, attr);
|
||
#endif
|
||
}
|
||
|
||
return attr->timestamp;
|
||
}
|
||
|
||
OS_Time
|
||
__gnat_file_time_fd (int fd)
|
||
{
|
||
struct file_attributes attr;
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_file_time_fd_attr (fd, &attr);
|
||
}
|
||
|
||
/* Set the file time stamp. */
|
||
|
||
void
|
||
__gnat_set_file_time_name (char *name, time_t time_stamp)
|
||
{
|
||
#if defined (__vxworks)
|
||
|
||
/* Code to implement __gnat_set_file_time_name for these systems. */
|
||
|
||
#elif defined (_WIN32) && !defined (RTX)
|
||
union
|
||
{
|
||
FILETIME ft_time;
|
||
unsigned long long ull_time;
|
||
} t_write;
|
||
TCHAR wname[GNAT_MAX_PATH_LEN];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
||
|
||
HANDLE h = CreateFile
|
||
(wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL,
|
||
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS,
|
||
NULL);
|
||
if (h == INVALID_HANDLE_VALUE)
|
||
return;
|
||
/* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */
|
||
t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset);
|
||
/* Convert to 100 nanosecond units */
|
||
t_write.ull_time *= 10000000ULL;
|
||
|
||
SetFileTime(h, NULL, NULL, &t_write.ft_time);
|
||
CloseHandle (h);
|
||
return;
|
||
|
||
#elif defined (VMS)
|
||
struct FAB fab;
|
||
struct NAM nam;
|
||
|
||
struct
|
||
{
|
||
unsigned long long backup, create, expire, revise;
|
||
unsigned int uic;
|
||
union
|
||
{
|
||
unsigned short value;
|
||
struct
|
||
{
|
||
unsigned system : 4;
|
||
unsigned owner : 4;
|
||
unsigned group : 4;
|
||
unsigned world : 4;
|
||
} bits;
|
||
} prot;
|
||
} Fat = { 0, 0, 0, 0, 0, { 0 }};
|
||
|
||
ATRDEF atrlst[]
|
||
= {
|
||
{ ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create },
|
||
{ ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise },
|
||
{ ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire },
|
||
{ ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup },
|
||
{ ATR$S_FPRO, ATR$C_FPRO, &Fat.prot },
|
||
{ ATR$S_UIC, ATR$C_UIC, &Fat.uic },
|
||
{ 0, 0, 0}
|
||
};
|
||
|
||
FIBDEF fib;
|
||
struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib};
|
||
|
||
struct IOSB iosb;
|
||
|
||
unsigned long long newtime;
|
||
unsigned long long revtime;
|
||
long status;
|
||
short chan;
|
||
|
||
struct vstring file;
|
||
struct dsc$descriptor_s filedsc
|
||
= {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string};
|
||
struct vstring device;
|
||
struct dsc$descriptor_s devicedsc
|
||
= {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string};
|
||
struct vstring timev;
|
||
struct dsc$descriptor_s timedsc
|
||
= {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string};
|
||
struct vstring result;
|
||
struct dsc$descriptor_s resultdsc
|
||
= {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string};
|
||
|
||
/* Convert parameter name (a file spec) to host file form. Note that this
|
||
is needed on VMS to prepare for subsequent calls to VMS RMS library
|
||
routines. Note that it would not work to call __gnat_to_host_dir_spec
|
||
as was done in a previous version, since this fails silently unless
|
||
the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF
|
||
(directory not found) condition is signalled. */
|
||
tryfile = (char *) __gnat_to_host_file_spec (name);
|
||
|
||
/* Allocate and initialize a FAB and NAM structures. */
|
||
fab = cc$rms_fab;
|
||
nam = cc$rms_nam;
|
||
|
||
nam.nam$l_esa = file.string;
|
||
nam.nam$b_ess = NAM$C_MAXRSS;
|
||
nam.nam$l_rsa = result.string;
|
||
nam.nam$b_rss = NAM$C_MAXRSS;
|
||
fab.fab$l_fna = tryfile;
|
||
fab.fab$b_fns = strlen (tryfile);
|
||
fab.fab$l_nam = &nam;
|
||
|
||
/* Validate filespec syntax and device existence. */
|
||
status = SYS$PARSE (&fab, 0, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
|
||
file.string[nam.nam$b_esl] = 0;
|
||
|
||
/* Find matching filespec. */
|
||
status = SYS$SEARCH (&fab, 0, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
|
||
file.string[nam.nam$b_esl] = 0;
|
||
result.string[result.length=nam.nam$b_rsl] = 0;
|
||
|
||
/* Get the device name and assign an IO channel. */
|
||
strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev);
|
||
devicedsc.dsc$w_length = nam.nam$b_dev;
|
||
chan = 0;
|
||
status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
|
||
/* Initialize the FIB and fill in the directory id field. */
|
||
memset (&fib, 0, sizeof (fib));
|
||
fib.fib$w_did[0] = nam.nam$w_did[0];
|
||
fib.fib$w_did[1] = nam.nam$w_did[1];
|
||
fib.fib$w_did[2] = nam.nam$w_did[2];
|
||
fib.fib$l_acctl = 0;
|
||
fib.fib$l_wcc = 0;
|
||
strcpy (file.string, (strrchr (result.string, ']') + 1));
|
||
filedsc.dsc$w_length = strlen (file.string);
|
||
result.string[result.length = 0] = 0;
|
||
|
||
/* Open and close the file to fill in the attributes. */
|
||
status
|
||
= SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0,
|
||
&fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
if ((iosb.status & 1) != 1)
|
||
LIB$SIGNAL (iosb.status);
|
||
|
||
result.string[result.length] = 0;
|
||
status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0,
|
||
&atrlst, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
if ((iosb.status & 1) != 1)
|
||
LIB$SIGNAL (iosb.status);
|
||
|
||
{
|
||
time_t t;
|
||
|
||
/* Set creation time to requested time. */
|
||
unix_time_to_vms (time_stamp, newtime);
|
||
|
||
t = time ((time_t) 0);
|
||
|
||
/* Set revision time to now in local time. */
|
||
unix_time_to_vms (t, revtime);
|
||
}
|
||
|
||
/* Reopen the file, modify the times and then close. */
|
||
fib.fib$l_acctl = FIB$M_WRITE;
|
||
status
|
||
= SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0,
|
||
&fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
if ((iosb.status & 1) != 1)
|
||
LIB$SIGNAL (iosb.status);
|
||
|
||
Fat.create = newtime;
|
||
Fat.revise = revtime;
|
||
|
||
status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0,
|
||
&fibdsc, 0, 0, 0, &atrlst, 0);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
if ((iosb.status & 1) != 1)
|
||
LIB$SIGNAL (iosb.status);
|
||
|
||
/* Deassign the channel and exit. */
|
||
status = SYS$DASSGN (chan);
|
||
if ((status & 1) != 1)
|
||
LIB$SIGNAL (status);
|
||
#else
|
||
struct utimbuf utimbuf;
|
||
time_t t;
|
||
|
||
/* Set modification time to requested time. */
|
||
utimbuf.modtime = time_stamp;
|
||
|
||
/* Set access time to now in local time. */
|
||
t = time ((time_t) 0);
|
||
utimbuf.actime = mktime (localtime (&t));
|
||
|
||
utime (name, &utimbuf);
|
||
#endif
|
||
}
|
||
|
||
/* Get the list of installed standard libraries from the
|
||
HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries
|
||
key. */
|
||
|
||
char *
|
||
__gnat_get_libraries_from_registry (void)
|
||
{
|
||
char *result = (char *) xmalloc (1);
|
||
|
||
result[0] = '\0';
|
||
|
||
#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \
|
||
&& ! defined (RTX)
|
||
|
||
HKEY reg_key;
|
||
DWORD name_size, value_size;
|
||
char name[256];
|
||
char value[256];
|
||
DWORD type;
|
||
DWORD index;
|
||
LONG res;
|
||
|
||
/* First open the key. */
|
||
res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key);
|
||
|
||
if (res == ERROR_SUCCESS)
|
||
res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0,
|
||
KEY_READ, ®_key);
|
||
|
||
if (res == ERROR_SUCCESS)
|
||
res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key);
|
||
|
||
if (res == ERROR_SUCCESS)
|
||
res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key);
|
||
|
||
/* If the key exists, read out all the values in it and concatenate them
|
||
into a path. */
|
||
for (index = 0; res == ERROR_SUCCESS; index++)
|
||
{
|
||
value_size = name_size = 256;
|
||
res = RegEnumValueA (reg_key, index, name, &name_size, 0,
|
||
&type, (LPBYTE)value, &value_size);
|
||
|
||
if (res == ERROR_SUCCESS && type == REG_SZ)
|
||
{
|
||
char *old_result = result;
|
||
|
||
result = (char *) xmalloc (strlen (old_result) + value_size + 2);
|
||
strcpy (result, old_result);
|
||
strcat (result, value);
|
||
strcat (result, ";");
|
||
free (old_result);
|
||
}
|
||
}
|
||
|
||
/* Remove the trailing ";". */
|
||
if (result[0] != 0)
|
||
result[strlen (result) - 1] = 0;
|
||
|
||
#endif
|
||
return result;
|
||
}
|
||
|
||
/* Query information for the given file NAME and return it in STATBUF.
|
||
* Returns 0 for success, or errno value for failure.
|
||
*/
|
||
int
|
||
__gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf)
|
||
{
|
||
#ifdef __MINGW32__
|
||
WIN32_FILE_ATTRIBUTE_DATA fad;
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
int name_len;
|
||
BOOL res;
|
||
DWORD error;
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
name_len = _tcslen (wname);
|
||
|
||
if (name_len > GNAT_MAX_PATH_LEN)
|
||
return EINVAL;
|
||
|
||
ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT));
|
||
|
||
res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad);
|
||
|
||
if (res == FALSE) {
|
||
error = GetLastError();
|
||
|
||
/* Check file existence using GetFileAttributes() which does not fail on
|
||
special Windows files like con:, aux:, nul: etc... */
|
||
|
||
if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) {
|
||
/* Just pretend that it is a regular and readable file */
|
||
statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE;
|
||
return 0;
|
||
}
|
||
|
||
switch (error) {
|
||
case ERROR_ACCESS_DENIED:
|
||
case ERROR_SHARING_VIOLATION:
|
||
case ERROR_LOCK_VIOLATION:
|
||
case ERROR_SHARING_BUFFER_EXCEEDED:
|
||
return EACCES;
|
||
case ERROR_BUFFER_OVERFLOW:
|
||
return ENAMETOOLONG;
|
||
case ERROR_NOT_ENOUGH_MEMORY:
|
||
return ENOMEM;
|
||
default:
|
||
return ENOENT;
|
||
}
|
||
}
|
||
|
||
f2t (&fad.ftCreationTime, &statbuf->st_ctime);
|
||
f2t (&fad.ftLastWriteTime, &statbuf->st_mtime);
|
||
f2t (&fad.ftLastAccessTime, &statbuf->st_atime);
|
||
|
||
statbuf->st_size = (off_t)fad.nFileSizeLow;
|
||
|
||
/* We do not have the S_IEXEC attribute, but this is not used on GNAT. */
|
||
statbuf->st_mode = S_IREAD;
|
||
|
||
if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
||
statbuf->st_mode |= S_IFDIR;
|
||
else
|
||
statbuf->st_mode |= S_IFREG;
|
||
|
||
if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
|
||
statbuf->st_mode |= S_IWRITE;
|
||
|
||
return 0;
|
||
|
||
#else
|
||
return GNAT_STAT (name, statbuf) == 0 ? 0 : errno;
|
||
#endif
|
||
}
|
||
|
||
/*************************************************************************
|
||
** Check whether a file exists
|
||
*************************************************************************/
|
||
|
||
int
|
||
__gnat_file_exists_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->exists == ATTR_UNSET)
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
|
||
return attr->exists;
|
||
}
|
||
|
||
int
|
||
__gnat_file_exists (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_file_exists_attr (name, &attr);
|
||
}
|
||
|
||
/**********************************************************************
|
||
** Whether name is an absolute path
|
||
**********************************************************************/
|
||
|
||
int
|
||
__gnat_is_absolute_path (char *name, int length)
|
||
{
|
||
#ifdef __vxworks
|
||
/* On VxWorks systems, an absolute path can be represented (depending on
|
||
the host platform) as either /dir/file, or device:/dir/file, or
|
||
device:drive_letter:/dir/file. */
|
||
|
||
int index;
|
||
|
||
if (name[0] == '/')
|
||
return 1;
|
||
|
||
for (index = 0; index < length; index++)
|
||
{
|
||
if (name[index] == ':' &&
|
||
((name[index + 1] == '/') ||
|
||
(isalpha (name[index + 1]) && index + 2 <= length &&
|
||
name[index + 2] == '/')))
|
||
return 1;
|
||
|
||
else if (name[index] == '/')
|
||
return 0;
|
||
}
|
||
return 0;
|
||
#else
|
||
return (length != 0) &&
|
||
(*name == '/' || *name == DIR_SEPARATOR
|
||
#if defined (WINNT)
|
||
|| (length > 1 && ISALPHA (name[0]) && name[1] == ':')
|
||
#endif
|
||
);
|
||
#endif
|
||
}
|
||
|
||
int
|
||
__gnat_is_regular_file_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->regular == ATTR_UNSET)
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
|
||
return attr->regular;
|
||
}
|
||
|
||
int
|
||
__gnat_is_regular_file (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_is_regular_file_attr (name, &attr);
|
||
}
|
||
|
||
int
|
||
__gnat_is_directory_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->directory == ATTR_UNSET)
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
|
||
return attr->directory;
|
||
}
|
||
|
||
int
|
||
__gnat_is_directory (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_is_directory_attr (name, &attr);
|
||
}
|
||
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
|
||
/* Returns the same constant as GetDriveType but takes a pathname as
|
||
argument. */
|
||
|
||
static UINT
|
||
GetDriveTypeFromPath (TCHAR *wfullpath)
|
||
{
|
||
TCHAR wdrv[MAX_PATH];
|
||
TCHAR wpath[MAX_PATH];
|
||
TCHAR wfilename[MAX_PATH];
|
||
TCHAR wext[MAX_PATH];
|
||
|
||
_tsplitpath (wfullpath, wdrv, wpath, wfilename, wext);
|
||
|
||
if (_tcslen (wdrv) != 0)
|
||
{
|
||
/* we have a drive specified. */
|
||
_tcscat (wdrv, _T("\\"));
|
||
return GetDriveType (wdrv);
|
||
}
|
||
else
|
||
{
|
||
/* No drive specified. */
|
||
|
||
/* Is this a relative path, if so get current drive type. */
|
||
if (wpath[0] != _T('\\') ||
|
||
(_tcslen (wpath) > 2 && wpath[0] == _T('\\')
|
||
&& wpath[1] != _T('\\')))
|
||
return GetDriveType (NULL);
|
||
|
||
UINT result = GetDriveType (wpath);
|
||
|
||
/* Cannot guess the drive type, is this \\.\ ? */
|
||
|
||
if (result == DRIVE_NO_ROOT_DIR &&
|
||
_tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\')
|
||
&& wpath[2] == _T('.') && wpath[3] == _T('\\'))
|
||
{
|
||
if (_tcslen (wpath) == 4)
|
||
_tcscat (wpath, wfilename);
|
||
|
||
LPTSTR p = &wpath[4];
|
||
LPTSTR b = _tcschr (p, _T('\\'));
|
||
|
||
if (b != NULL)
|
||
{
|
||
/* logical drive \\.\c\dir\file */
|
||
*b++ = _T(':');
|
||
*b++ = _T('\\');
|
||
*b = _T('\0');
|
||
}
|
||
else
|
||
_tcscat (p, _T(":\\"));
|
||
|
||
return GetDriveType (p);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
}
|
||
|
||
/* This MingW section contains code to work with ACL. */
|
||
static int
|
||
__gnat_check_OWNER_ACL (TCHAR *wname,
|
||
DWORD CheckAccessDesired,
|
||
GENERIC_MAPPING CheckGenericMapping)
|
||
{
|
||
DWORD dwAccessDesired, dwAccessAllowed;
|
||
PRIVILEGE_SET PrivilegeSet;
|
||
DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET);
|
||
BOOL fAccessGranted = FALSE;
|
||
HANDLE hToken = NULL;
|
||
DWORD nLength = 0;
|
||
SECURITY_DESCRIPTOR* pSD = NULL;
|
||
|
||
GetFileSecurity
|
||
(wname, OWNER_SECURITY_INFORMATION |
|
||
GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
|
||
NULL, 0, &nLength);
|
||
|
||
if ((pSD = (SECURITY_DESCRIPTOR *) HeapAlloc
|
||
(GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL)
|
||
return 0;
|
||
|
||
/* Obtain the security descriptor. */
|
||
|
||
if (!GetFileSecurity
|
||
(wname, OWNER_SECURITY_INFORMATION |
|
||
GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
|
||
pSD, nLength, &nLength))
|
||
goto error;
|
||
|
||
if (!ImpersonateSelf (SecurityImpersonation))
|
||
goto error;
|
||
|
||
if (!OpenThreadToken
|
||
(GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken))
|
||
goto error;
|
||
|
||
/* Undoes the effect of ImpersonateSelf. */
|
||
|
||
RevertToSelf ();
|
||
|
||
/* We want to test for write permissions. */
|
||
|
||
dwAccessDesired = CheckAccessDesired;
|
||
|
||
MapGenericMask (&dwAccessDesired, &CheckGenericMapping);
|
||
|
||
if (!AccessCheck
|
||
(pSD , /* security descriptor to check */
|
||
hToken, /* impersonation token */
|
||
dwAccessDesired, /* requested access rights */
|
||
&CheckGenericMapping, /* pointer to GENERIC_MAPPING */
|
||
&PrivilegeSet, /* receives privileges used in check */
|
||
&dwPrivSetSize, /* size of PrivilegeSet buffer */
|
||
&dwAccessAllowed, /* receives mask of allowed access rights */
|
||
&fAccessGranted))
|
||
goto error;
|
||
|
||
CloseHandle (hToken);
|
||
HeapFree (GetProcessHeap (), 0, pSD);
|
||
return fAccessGranted;
|
||
|
||
error:
|
||
if (hToken)
|
||
CloseHandle (hToken);
|
||
HeapFree (GetProcessHeap (), 0, pSD);
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
__gnat_set_OWNER_ACL (TCHAR *wname,
|
||
DWORD AccessMode,
|
||
DWORD AccessPermissions)
|
||
{
|
||
PACL pOldDACL = NULL;
|
||
PACL pNewDACL = NULL;
|
||
PSECURITY_DESCRIPTOR pSD = NULL;
|
||
EXPLICIT_ACCESS ea;
|
||
TCHAR username [100];
|
||
DWORD unsize = 100;
|
||
|
||
/* Get current user, he will act as the owner */
|
||
|
||
if (!GetUserName (username, &unsize))
|
||
return;
|
||
|
||
if (GetNamedSecurityInfo
|
||
(wname,
|
||
SE_FILE_OBJECT,
|
||
DACL_SECURITY_INFORMATION,
|
||
NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS)
|
||
return;
|
||
|
||
BuildExplicitAccessWithName
|
||
(&ea, username, AccessPermissions, (ACCESS_MODE) AccessMode, NO_INHERITANCE);
|
||
|
||
if (AccessMode == SET_ACCESS)
|
||
{
|
||
/* SET_ACCESS, we want to set an explicte set of permissions, do not
|
||
merge with current DACL. */
|
||
if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS)
|
||
return;
|
||
}
|
||
else
|
||
if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS)
|
||
return;
|
||
|
||
if (SetNamedSecurityInfo
|
||
(wname, SE_FILE_OBJECT,
|
||
DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS)
|
||
return;
|
||
|
||
LocalFree (pSD);
|
||
LocalFree (pNewDACL);
|
||
}
|
||
|
||
/* Check if it is possible to use ACL for wname, the file must not be on a
|
||
network drive. */
|
||
|
||
static int
|
||
__gnat_can_use_acl (TCHAR *wname)
|
||
{
|
||
return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE;
|
||
}
|
||
|
||
#endif /* defined (_WIN32) && !defined (RTX) */
|
||
|
||
int
|
||
__gnat_is_readable_file_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->readable == ATTR_UNSET)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
GENERIC_MAPPING GenericMapping;
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
{
|
||
ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
||
GenericMapping.GenericRead = GENERIC_READ;
|
||
attr->readable =
|
||
__gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping);
|
||
}
|
||
else
|
||
attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
|
||
#else
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
#endif
|
||
}
|
||
|
||
return attr->readable;
|
||
}
|
||
|
||
int
|
||
__gnat_is_readable_file (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_is_readable_file_attr (name, &attr);
|
||
}
|
||
|
||
int
|
||
__gnat_is_writable_file_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->writable == ATTR_UNSET)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
GENERIC_MAPPING GenericMapping;
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
{
|
||
ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
||
GenericMapping.GenericWrite = GENERIC_WRITE;
|
||
|
||
attr->writable = __gnat_check_OWNER_ACL
|
||
(wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping)
|
||
&& !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
|
||
}
|
||
else
|
||
attr->writable =
|
||
!(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
|
||
|
||
#else
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
#endif
|
||
}
|
||
|
||
return attr->writable;
|
||
}
|
||
|
||
int
|
||
__gnat_is_writable_file (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_is_writable_file_attr (name, &attr);
|
||
}
|
||
|
||
int
|
||
__gnat_is_executable_file_attr (char* name, struct file_attributes* attr)
|
||
{
|
||
if (attr->executable == ATTR_UNSET)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
GENERIC_MAPPING GenericMapping;
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
{
|
||
ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
||
GenericMapping.GenericExecute = GENERIC_EXECUTE;
|
||
|
||
attr->executable =
|
||
__gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping);
|
||
}
|
||
else
|
||
{
|
||
TCHAR *l, *last = _tcsstr(wname, _T(".exe"));
|
||
|
||
/* look for last .exe */
|
||
if (last)
|
||
while ((l = _tcsstr(last+1, _T(".exe"))))
|
||
last = l;
|
||
|
||
attr->executable =
|
||
GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES
|
||
&& (last - wname) == (int) (_tcslen (wname) - 4);
|
||
}
|
||
#else
|
||
__gnat_stat_to_attr (-1, name, attr);
|
||
#endif
|
||
}
|
||
|
||
return attr->regular && attr->executable;
|
||
}
|
||
|
||
int
|
||
__gnat_is_executable_file (char *name)
|
||
{
|
||
struct file_attributes attr;
|
||
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_is_executable_file_attr (name, &attr);
|
||
}
|
||
|
||
void
|
||
__gnat_set_writable (char *name)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
__gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE);
|
||
|
||
SetFileAttributes
|
||
(wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY);
|
||
#elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \
|
||
! defined(__nucleus__)
|
||
GNAT_STRUCT_STAT statbuf;
|
||
|
||
if (GNAT_STAT (name, &statbuf) == 0)
|
||
{
|
||
statbuf.st_mode = statbuf.st_mode | S_IWUSR;
|
||
chmod (name, statbuf.st_mode);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
void
|
||
__gnat_set_executable (char *name)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
__gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE);
|
||
|
||
#elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \
|
||
! defined(__nucleus__)
|
||
GNAT_STRUCT_STAT statbuf;
|
||
|
||
if (GNAT_STAT (name, &statbuf) == 0)
|
||
{
|
||
statbuf.st_mode = statbuf.st_mode | S_IXUSR;
|
||
chmod (name, statbuf.st_mode);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
void
|
||
__gnat_set_non_writable (char *name)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
__gnat_set_OWNER_ACL
|
||
(wname, DENY_ACCESS,
|
||
FILE_WRITE_DATA | FILE_APPEND_DATA |
|
||
FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES);
|
||
|
||
SetFileAttributes
|
||
(wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY);
|
||
#elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \
|
||
! defined(__nucleus__)
|
||
GNAT_STRUCT_STAT statbuf;
|
||
|
||
if (GNAT_STAT (name, &statbuf) == 0)
|
||
{
|
||
statbuf.st_mode = statbuf.st_mode & 07577;
|
||
chmod (name, statbuf.st_mode);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
void
|
||
__gnat_set_readable (char *name)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
__gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ);
|
||
|
||
#elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \
|
||
! defined(__nucleus__)
|
||
GNAT_STRUCT_STAT statbuf;
|
||
|
||
if (GNAT_STAT (name, &statbuf) == 0)
|
||
{
|
||
chmod (name, statbuf.st_mode | S_IREAD);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
void
|
||
__gnat_set_non_readable (char *name)
|
||
{
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
||
|
||
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
if (__gnat_can_use_acl (wname))
|
||
__gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ);
|
||
|
||
#elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \
|
||
! defined(__nucleus__)
|
||
GNAT_STRUCT_STAT statbuf;
|
||
|
||
if (GNAT_STAT (name, &statbuf) == 0)
|
||
{
|
||
chmod (name, statbuf.st_mode & (~S_IREAD));
|
||
}
|
||
#endif
|
||
}
|
||
|
||
int
|
||
__gnat_is_symbolic_link_attr (char* name ATTRIBUTE_UNUSED,
|
||
struct file_attributes* attr)
|
||
{
|
||
if (attr->symbolic_link == ATTR_UNSET)
|
||
{
|
||
#if defined (__vxworks) || defined (__nucleus__)
|
||
attr->symbolic_link = 0;
|
||
|
||
#elif defined (_AIX) || defined (__APPLE__) || defined (__unix__)
|
||
int ret;
|
||
GNAT_STRUCT_STAT statbuf;
|
||
ret = GNAT_LSTAT (name, &statbuf);
|
||
attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode));
|
||
#else
|
||
attr->symbolic_link = 0;
|
||
#endif
|
||
}
|
||
return attr->symbolic_link;
|
||
}
|
||
|
||
int
|
||
__gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED)
|
||
{
|
||
struct file_attributes attr;
|
||
|
||
__gnat_reset_attributes (&attr);
|
||
return __gnat_is_symbolic_link_attr (name, &attr);
|
||
}
|
||
|
||
#if defined (sun) && defined (__SVR4)
|
||
/* Using fork on Solaris will duplicate all the threads. fork1, which
|
||
duplicates only the active thread, must be used instead, or spawning
|
||
subprocess from a program with tasking will lead into numerous problems. */
|
||
#define fork fork1
|
||
#endif
|
||
|
||
int
|
||
__gnat_portable_spawn (char *args[])
|
||
{
|
||
int status = 0;
|
||
int finished ATTRIBUTE_UNUSED;
|
||
int pid ATTRIBUTE_UNUSED;
|
||
|
||
#if defined (__vxworks) || defined(__nucleus__) || defined(RTX)
|
||
return -1;
|
||
|
||
#elif defined (_WIN32)
|
||
/* args[0] must be quotes as it could contain a full pathname with spaces */
|
||
char *args_0 = args[0];
|
||
args[0] = (char *)xmalloc (strlen (args_0) + 3);
|
||
strcpy (args[0], "\"");
|
||
strcat (args[0], args_0);
|
||
strcat (args[0], "\"");
|
||
|
||
status = spawnvp (P_WAIT, args_0, (char* const*)args);
|
||
|
||
/* restore previous value */
|
||
free (args[0]);
|
||
args[0] = (char *)args_0;
|
||
|
||
if (status < 0)
|
||
return -1;
|
||
else
|
||
return status;
|
||
|
||
#else
|
||
|
||
pid = fork ();
|
||
if (pid < 0)
|
||
return -1;
|
||
|
||
if (pid == 0)
|
||
{
|
||
/* The child. */
|
||
if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
|
||
#if defined (VMS)
|
||
return -1; /* execv is in parent context on VMS. */
|
||
#else
|
||
_exit (1);
|
||
#endif
|
||
}
|
||
|
||
/* The parent. */
|
||
finished = waitpid (pid, &status, 0);
|
||
|
||
if (finished != pid || WIFEXITED (status) == 0)
|
||
return -1;
|
||
|
||
return WEXITSTATUS (status);
|
||
#endif
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Create a copy of the given file descriptor.
|
||
Return -1 if an error occurred. */
|
||
|
||
int
|
||
__gnat_dup (int oldfd)
|
||
{
|
||
#if defined (__vxworks) && !defined (__RTP__)
|
||
/* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
|
||
RTPs. */
|
||
return -1;
|
||
#else
|
||
return dup (oldfd);
|
||
#endif
|
||
}
|
||
|
||
/* Make newfd be the copy of oldfd, closing newfd first if necessary.
|
||
Return -1 if an error occurred. */
|
||
|
||
int
|
||
__gnat_dup2 (int oldfd, int newfd)
|
||
{
|
||
#if defined (__vxworks) && !defined (__RTP__)
|
||
/* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
|
||
RTPs. */
|
||
return -1;
|
||
#elif defined (_WIN32)
|
||
/* Special case when oldfd and newfd are identical and are the standard
|
||
input, output or error as this makes Windows XP hangs. Note that we
|
||
do that only for standard file descriptors that are known to be valid. */
|
||
if (oldfd == newfd && newfd >= 0 && newfd <= 2)
|
||
return newfd;
|
||
else
|
||
return dup2 (oldfd, newfd);
|
||
#else
|
||
return dup2 (oldfd, newfd);
|
||
#endif
|
||
}
|
||
|
||
int
|
||
__gnat_number_of_cpus (void)
|
||
{
|
||
int cores = 1;
|
||
|
||
#if defined (linux) || defined (sun) || defined (AIX) || defined (__APPLE__)
|
||
cores = (int) sysconf (_SC_NPROCESSORS_ONLN);
|
||
|
||
#elif defined (__hpux__)
|
||
struct pst_dynamic psd;
|
||
if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1)
|
||
cores = (int) psd.psd_proc_cnt;
|
||
|
||
#elif defined (_WIN32)
|
||
SYSTEM_INFO sysinfo;
|
||
GetSystemInfo (&sysinfo);
|
||
cores = (int) sysinfo.dwNumberOfProcessors;
|
||
|
||
#elif defined (VMS)
|
||
int code = SYI$_ACTIVECPU_CNT;
|
||
unsigned int res;
|
||
int status;
|
||
|
||
status = LIB$GETSYI (&code, &res);
|
||
if ((status & 1) != 0)
|
||
cores = res;
|
||
|
||
#elif defined (_WRS_CONFIG_SMP)
|
||
unsigned int vxCpuConfiguredGet (void);
|
||
|
||
cores = vxCpuConfiguredGet ();
|
||
|
||
#endif
|
||
|
||
return cores;
|
||
}
|
||
|
||
/* WIN32 code to implement a wait call that wait for any child process. */
|
||
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
|
||
/* Synchronization code, to be thread safe. */
|
||
|
||
#ifdef CERT
|
||
|
||
/* For the Cert run times on native Windows we use dummy functions
|
||
for locking and unlocking tasks since we do not support multiple
|
||
threads on this configuration (Cert run time on native Windows). */
|
||
|
||
static void dummy (void)
|
||
{
|
||
}
|
||
|
||
void (*Lock_Task) () = &dummy;
|
||
void (*Unlock_Task) () = &dummy;
|
||
|
||
#else
|
||
|
||
#define Lock_Task system__soft_links__lock_task
|
||
extern void (*Lock_Task) (void);
|
||
|
||
#define Unlock_Task system__soft_links__unlock_task
|
||
extern void (*Unlock_Task) (void);
|
||
|
||
#endif
|
||
|
||
static HANDLE *HANDLES_LIST = NULL;
|
||
static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0;
|
||
|
||
static void
|
||
add_handle (HANDLE h, int pid)
|
||
{
|
||
|
||
/* -------------------- critical section -------------------- */
|
||
(*Lock_Task) ();
|
||
|
||
if (plist_length == plist_max_length)
|
||
{
|
||
plist_max_length += 1000;
|
||
HANDLES_LIST =
|
||
(void **) xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length);
|
||
PID_LIST =
|
||
(int *) xrealloc (PID_LIST, sizeof (int) * plist_max_length);
|
||
}
|
||
|
||
HANDLES_LIST[plist_length] = h;
|
||
PID_LIST[plist_length] = pid;
|
||
++plist_length;
|
||
|
||
(*Unlock_Task) ();
|
||
/* -------------------- critical section -------------------- */
|
||
}
|
||
|
||
void
|
||
__gnat_win32_remove_handle (HANDLE h, int pid)
|
||
{
|
||
int j;
|
||
|
||
/* -------------------- critical section -------------------- */
|
||
(*Lock_Task) ();
|
||
|
||
for (j = 0; j < plist_length; j++)
|
||
{
|
||
if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid))
|
||
{
|
||
CloseHandle (h);
|
||
--plist_length;
|
||
HANDLES_LIST[j] = HANDLES_LIST[plist_length];
|
||
PID_LIST[j] = PID_LIST[plist_length];
|
||
break;
|
||
}
|
||
}
|
||
|
||
(*Unlock_Task) ();
|
||
/* -------------------- critical section -------------------- */
|
||
}
|
||
|
||
static void
|
||
win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid)
|
||
{
|
||
BOOL result;
|
||
STARTUPINFO SI;
|
||
PROCESS_INFORMATION PI;
|
||
SECURITY_ATTRIBUTES SA;
|
||
int csize = 1;
|
||
char *full_command;
|
||
int k;
|
||
|
||
/* compute the total command line length */
|
||
k = 0;
|
||
while (args[k])
|
||
{
|
||
csize += strlen (args[k]) + 1;
|
||
k++;
|
||
}
|
||
|
||
full_command = (char *) xmalloc (csize);
|
||
|
||
/* Startup info. */
|
||
SI.cb = sizeof (STARTUPINFO);
|
||
SI.lpReserved = NULL;
|
||
SI.lpReserved2 = NULL;
|
||
SI.lpDesktop = NULL;
|
||
SI.cbReserved2 = 0;
|
||
SI.lpTitle = NULL;
|
||
SI.dwFlags = 0;
|
||
SI.wShowWindow = SW_HIDE;
|
||
|
||
/* Security attributes. */
|
||
SA.nLength = sizeof (SECURITY_ATTRIBUTES);
|
||
SA.bInheritHandle = TRUE;
|
||
SA.lpSecurityDescriptor = NULL;
|
||
|
||
/* Prepare the command string. */
|
||
strcpy (full_command, command);
|
||
strcat (full_command, " ");
|
||
|
||
k = 1;
|
||
while (args[k])
|
||
{
|
||
strcat (full_command, args[k]);
|
||
strcat (full_command, " ");
|
||
k++;
|
||
}
|
||
|
||
{
|
||
int wsize = csize * 2;
|
||
TCHAR *wcommand = (TCHAR *) xmalloc (wsize);
|
||
|
||
S2WSC (wcommand, full_command, wsize);
|
||
|
||
free (full_command);
|
||
|
||
result = CreateProcess
|
||
(NULL, wcommand, &SA, NULL, TRUE,
|
||
GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI);
|
||
|
||
free (wcommand);
|
||
}
|
||
|
||
if (result == TRUE)
|
||
{
|
||
CloseHandle (PI.hThread);
|
||
*h = PI.hProcess;
|
||
*pid = PI.dwProcessId;
|
||
}
|
||
else
|
||
{
|
||
*h = NULL;
|
||
*pid = 0;
|
||
}
|
||
}
|
||
|
||
static int
|
||
win32_wait (int *status)
|
||
{
|
||
DWORD exitcode, pid;
|
||
HANDLE *hl;
|
||
HANDLE h;
|
||
DWORD res;
|
||
int k;
|
||
int hl_len;
|
||
|
||
if (plist_length == 0)
|
||
{
|
||
errno = ECHILD;
|
||
return -1;
|
||
}
|
||
|
||
k = 0;
|
||
|
||
/* -------------------- critical section -------------------- */
|
||
(*Lock_Task) ();
|
||
|
||
hl_len = plist_length;
|
||
|
||
hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len);
|
||
|
||
memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len);
|
||
|
||
(*Unlock_Task) ();
|
||
/* -------------------- critical section -------------------- */
|
||
|
||
res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE);
|
||
h = hl[res - WAIT_OBJECT_0];
|
||
|
||
GetExitCodeProcess (h, &exitcode);
|
||
pid = PID_LIST [res - WAIT_OBJECT_0];
|
||
__gnat_win32_remove_handle (h, -1);
|
||
|
||
free (hl);
|
||
|
||
*status = (int) exitcode;
|
||
return (int) pid;
|
||
}
|
||
|
||
#endif
|
||
|
||
int
|
||
__gnat_portable_no_block_spawn (char *args[])
|
||
{
|
||
|
||
#if defined (__vxworks) || defined (__nucleus__) || defined (RTX)
|
||
return -1;
|
||
|
||
#elif defined (_WIN32)
|
||
|
||
HANDLE h = NULL;
|
||
int pid;
|
||
|
||
win32_no_block_spawn (args[0], args, &h, &pid);
|
||
if (h != NULL)
|
||
{
|
||
add_handle (h, pid);
|
||
return pid;
|
||
}
|
||
else
|
||
return -1;
|
||
|
||
#else
|
||
|
||
int pid = fork ();
|
||
|
||
if (pid == 0)
|
||
{
|
||
/* The child. */
|
||
if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
|
||
#if defined (VMS)
|
||
return -1; /* execv is in parent context on VMS. */
|
||
#else
|
||
_exit (1);
|
||
#endif
|
||
}
|
||
|
||
return pid;
|
||
|
||
#endif
|
||
}
|
||
|
||
int
|
||
__gnat_portable_wait (int *process_status)
|
||
{
|
||
int status = 0;
|
||
int pid = 0;
|
||
|
||
#if defined (__vxworks) || defined (__nucleus__) || defined (RTX)
|
||
/* Not sure what to do here, so do nothing but return zero. */
|
||
|
||
#elif defined (_WIN32)
|
||
|
||
pid = win32_wait (&status);
|
||
|
||
#else
|
||
|
||
pid = waitpid (-1, &status, 0);
|
||
status = status & 0xffff;
|
||
#endif
|
||
|
||
*process_status = status;
|
||
return pid;
|
||
}
|
||
|
||
void
|
||
__gnat_os_exit (int status)
|
||
{
|
||
exit (status);
|
||
}
|
||
|
||
/* Locate file on path, that matches a predicate */
|
||
|
||
char *
|
||
__gnat_locate_file_with_predicate (char *file_name, char *path_val,
|
||
int (*predicate)(char *))
|
||
{
|
||
char *ptr;
|
||
char *file_path = (char *) alloca (strlen (file_name) + 1);
|
||
int absolute;
|
||
|
||
/* Return immediately if file_name is empty */
|
||
|
||
if (*file_name == '\0')
|
||
return 0;
|
||
|
||
/* Remove quotes around file_name if present */
|
||
|
||
ptr = file_name;
|
||
if (*ptr == '"')
|
||
ptr++;
|
||
|
||
strcpy (file_path, ptr);
|
||
|
||
ptr = file_path + strlen (file_path) - 1;
|
||
|
||
if (*ptr == '"')
|
||
*ptr = '\0';
|
||
|
||
/* Handle absolute pathnames. */
|
||
|
||
absolute = __gnat_is_absolute_path (file_path, strlen (file_name));
|
||
|
||
if (absolute)
|
||
{
|
||
if (predicate (file_path))
|
||
return xstrdup (file_path);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* If file_name include directory separator(s), try it first as
|
||
a path name relative to the current directory */
|
||
for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++)
|
||
;
|
||
|
||
if (*ptr != 0)
|
||
{
|
||
if (predicate (file_name))
|
||
return xstrdup (file_name);
|
||
}
|
||
|
||
if (path_val == 0)
|
||
return 0;
|
||
|
||
{
|
||
/* The result has to be smaller than path_val + file_name. */
|
||
char *file_path =
|
||
(char *) alloca (strlen (path_val) + strlen (file_name) + 2);
|
||
|
||
for (;;)
|
||
{
|
||
/* Skip the starting quote */
|
||
|
||
if (*path_val == '"')
|
||
path_val++;
|
||
|
||
for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; )
|
||
*ptr++ = *path_val++;
|
||
|
||
/* If directory is empty, it is the current directory*/
|
||
|
||
if (ptr == file_path)
|
||
{
|
||
*ptr = '.';
|
||
}
|
||
else
|
||
ptr--;
|
||
|
||
/* Skip the ending quote */
|
||
|
||
if (*ptr == '"')
|
||
ptr--;
|
||
|
||
if (*ptr != '/' && *ptr != DIR_SEPARATOR)
|
||
*++ptr = DIR_SEPARATOR;
|
||
|
||
strcpy (++ptr, file_name);
|
||
|
||
if (predicate (file_path))
|
||
return xstrdup (file_path);
|
||
|
||
if (*path_val == 0)
|
||
return 0;
|
||
|
||
/* Skip path separator */
|
||
|
||
path_val++;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Locate an executable file, give a Path value. */
|
||
|
||
char *
|
||
__gnat_locate_executable_file (char *file_name, char *path_val)
|
||
{
|
||
return __gnat_locate_file_with_predicate
|
||
(file_name, path_val, &__gnat_is_executable_file);
|
||
}
|
||
|
||
/* Locate a regular file, give a Path value. */
|
||
|
||
char *
|
||
__gnat_locate_regular_file (char *file_name, char *path_val)
|
||
{
|
||
return __gnat_locate_file_with_predicate
|
||
(file_name, path_val, &__gnat_is_regular_file);
|
||
}
|
||
|
||
/* Locate an executable given a Path argument. This routine is only used by
|
||
gnatbl and should not be used otherwise. Use locate_exec_on_path
|
||
instead. */
|
||
|
||
char *
|
||
__gnat_locate_exec (char *exec_name, char *path_val)
|
||
{
|
||
char *ptr;
|
||
if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX))
|
||
{
|
||
char *full_exec_name =
|
||
(char *) alloca
|
||
(strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1);
|
||
|
||
strcpy (full_exec_name, exec_name);
|
||
strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX);
|
||
ptr = __gnat_locate_executable_file (full_exec_name, path_val);
|
||
|
||
if (ptr == 0)
|
||
return __gnat_locate_executable_file (exec_name, path_val);
|
||
return ptr;
|
||
}
|
||
else
|
||
return __gnat_locate_executable_file (exec_name, path_val);
|
||
}
|
||
|
||
/* Locate an executable using the Systems default PATH. */
|
||
|
||
char *
|
||
__gnat_locate_exec_on_path (char *exec_name)
|
||
{
|
||
char *apath_val;
|
||
|
||
#if defined (_WIN32) && !defined (RTX)
|
||
TCHAR *wpath_val = _tgetenv (_T("PATH"));
|
||
TCHAR *wapath_val;
|
||
/* In Win32 systems we expand the PATH as for XP environment
|
||
variables are not automatically expanded. We also prepend the
|
||
".;" to the path to match normal NT path search semantics */
|
||
|
||
#define EXPAND_BUFFER_SIZE 32767
|
||
|
||
wapath_val = (TCHAR *) alloca (EXPAND_BUFFER_SIZE);
|
||
|
||
wapath_val [0] = '.';
|
||
wapath_val [1] = ';';
|
||
|
||
DWORD res = ExpandEnvironmentStrings
|
||
(wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2);
|
||
|
||
if (!res) wapath_val [0] = _T('\0');
|
||
|
||
apath_val = (char *) alloca (EXPAND_BUFFER_SIZE);
|
||
|
||
WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE);
|
||
return __gnat_locate_exec (exec_name, apath_val);
|
||
|
||
#else
|
||
|
||
#ifdef VMS
|
||
char *path_val = "/VAXC$PATH";
|
||
#else
|
||
char *path_val = getenv ("PATH");
|
||
#endif
|
||
if (path_val == NULL) return NULL;
|
||
apath_val = (char *) alloca (strlen (path_val) + 1);
|
||
strcpy (apath_val, path_val);
|
||
return __gnat_locate_exec (exec_name, apath_val);
|
||
#endif
|
||
}
|
||
|
||
#ifdef VMS
|
||
|
||
/* These functions are used to translate to and from VMS and Unix syntax
|
||
file, directory and path specifications. */
|
||
|
||
#define MAXPATH 256
|
||
#define MAXNAMES 256
|
||
#define NEW_CANONICAL_FILELIST_INCREMENT 64
|
||
|
||
static char new_canonical_dirspec [MAXPATH];
|
||
static char new_canonical_filespec [MAXPATH];
|
||
static char new_canonical_pathspec [MAXNAMES*MAXPATH];
|
||
static unsigned new_canonical_filelist_index;
|
||
static unsigned new_canonical_filelist_in_use;
|
||
static unsigned new_canonical_filelist_allocated;
|
||
static char **new_canonical_filelist;
|
||
static char new_host_pathspec [MAXNAMES*MAXPATH];
|
||
static char new_host_dirspec [MAXPATH];
|
||
static char new_host_filespec [MAXPATH];
|
||
|
||
/* Routine is called repeatedly by decc$from_vms via
|
||
__gnat_to_canonical_file_list_init until it returns 0 or the expansion
|
||
runs out. */
|
||
|
||
static int
|
||
wildcard_translate_unix (char *name)
|
||
{
|
||
char *ver;
|
||
char buff [MAXPATH];
|
||
|
||
strncpy (buff, name, MAXPATH);
|
||
buff [MAXPATH - 1] = (char) 0;
|
||
ver = strrchr (buff, '.');
|
||
|
||
/* Chop off the version. */
|
||
if (ver)
|
||
*ver = 0;
|
||
|
||
/* Dynamically extend the allocation by the increment. */
|
||
if (new_canonical_filelist_in_use == new_canonical_filelist_allocated)
|
||
{
|
||
new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT;
|
||
new_canonical_filelist = (char **) xrealloc
|
||
(new_canonical_filelist,
|
||
new_canonical_filelist_allocated * sizeof (char *));
|
||
}
|
||
|
||
new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff);
|
||
|
||
return 1;
|
||
}
|
||
|
||
/* Translate a wildcard VMS file spec into a list of Unix file specs. First do
|
||
full translation and copy the results into a list (_init), then return them
|
||
one at a time (_next). If onlydirs set, only expand directory files. */
|
||
|
||
int
|
||
__gnat_to_canonical_file_list_init (char *filespec, int onlydirs)
|
||
{
|
||
int len;
|
||
char buff [MAXPATH];
|
||
|
||
len = strlen (filespec);
|
||
strncpy (buff, filespec, MAXPATH);
|
||
|
||
/* Only look for directories */
|
||
if (onlydirs && !strstr (&buff [len-5], "*.dir"))
|
||
strncat (buff, "*.dir", MAXPATH);
|
||
|
||
buff [MAXPATH - 1] = (char) 0;
|
||
|
||
decc$from_vms (buff, wildcard_translate_unix, 1);
|
||
|
||
/* Remove the .dir extension. */
|
||
if (onlydirs)
|
||
{
|
||
int i;
|
||
char *ext;
|
||
|
||
for (i = 0; i < new_canonical_filelist_in_use; i++)
|
||
{
|
||
ext = strstr (new_canonical_filelist[i], ".dir");
|
||
if (ext)
|
||
*ext = 0;
|
||
}
|
||
}
|
||
|
||
return new_canonical_filelist_in_use;
|
||
}
|
||
|
||
/* Return the next filespec in the list. */
|
||
|
||
char *
|
||
__gnat_to_canonical_file_list_next (void)
|
||
{
|
||
return new_canonical_filelist[new_canonical_filelist_index++];
|
||
}
|
||
|
||
/* Free storage used in the wildcard expansion. */
|
||
|
||
void
|
||
__gnat_to_canonical_file_list_free (void)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < new_canonical_filelist_in_use; i++)
|
||
free (new_canonical_filelist[i]);
|
||
|
||
free (new_canonical_filelist);
|
||
|
||
new_canonical_filelist_in_use = 0;
|
||
new_canonical_filelist_allocated = 0;
|
||
new_canonical_filelist_index = 0;
|
||
new_canonical_filelist = 0;
|
||
}
|
||
|
||
/* The functional equivalent of decc$translate_vms routine.
|
||
Designed to produce the same output, but is protected against
|
||
malformed paths (original version ACCVIOs in this case) and
|
||
does not require VMS-specific DECC RTL. */
|
||
|
||
#define NAM$C_MAXRSS 1024
|
||
|
||
char *
|
||
__gnat_translate_vms (char *src)
|
||
{
|
||
static char retbuf [NAM$C_MAXRSS + 1];
|
||
char *srcendpos, *pos1, *pos2, *retpos;
|
||
int disp, path_present = 0;
|
||
|
||
if (!src)
|
||
return NULL;
|
||
|
||
srcendpos = strchr (src, '\0');
|
||
retpos = retbuf;
|
||
|
||
/* Look for the node and/or device in front of the path. */
|
||
pos1 = src;
|
||
pos2 = strchr (pos1, ':');
|
||
|
||
if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':'))
|
||
{
|
||
/* There is a node name. "node_name::" becomes "node_name!". */
|
||
disp = pos2 - pos1;
|
||
strncpy (retbuf, pos1, disp);
|
||
retpos [disp] = '!';
|
||
retpos = retpos + disp + 1;
|
||
pos1 = pos2 + 2;
|
||
pos2 = strchr (pos1, ':');
|
||
}
|
||
|
||
if (pos2)
|
||
{
|
||
/* There is a device name. "dev_name:" becomes "/dev_name/". */
|
||
*(retpos++) = '/';
|
||
disp = pos2 - pos1;
|
||
strncpy (retpos, pos1, disp);
|
||
retpos = retpos + disp;
|
||
pos1 = pos2 + 1;
|
||
*(retpos++) = '/';
|
||
}
|
||
else
|
||
/* No explicit device; we must look ahead and prepend /sys$disk/ if
|
||
the path is absolute. */
|
||
if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos)
|
||
&& !strchr (".-]>", *(pos1 + 1)))
|
||
{
|
||
strncpy (retpos, "/sys$disk/", 10);
|
||
retpos += 10;
|
||
}
|
||
|
||
/* Process the path part. */
|
||
while (*pos1 == '[' || *pos1 == '<')
|
||
{
|
||
path_present++;
|
||
pos1++;
|
||
if (*pos1 == ']' || *pos1 == '>')
|
||
{
|
||
/* Special case, [] translates to '.'. */
|
||
*(retpos++) = '.';
|
||
pos1++;
|
||
}
|
||
else
|
||
{
|
||
/* '[000000' means root dir. It can be present in the middle of
|
||
the path due to expansion of logical devices, in which case
|
||
we skip it. */
|
||
if (!strncmp (pos1, "000000", 6) && path_present > 1 &&
|
||
(*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.'))
|
||
{
|
||
pos1 += 6;
|
||
if (*pos1 == '.') pos1++;
|
||
}
|
||
else if (*pos1 == '.')
|
||
{
|
||
/* Relative path. */
|
||
*(retpos++) = '.';
|
||
}
|
||
|
||
/* There is a qualified path. */
|
||
while (*pos1 && *pos1 != ']' && *pos1 != '>')
|
||
{
|
||
switch (*pos1)
|
||
{
|
||
case '.':
|
||
/* '.' is used to separate directories. Replace it with '/'
|
||
but only if there isn't already '/' just before. */
|
||
if (*(retpos - 1) != '/')
|
||
*(retpos++) = '/';
|
||
pos1++;
|
||
if (pos1 + 1 < srcendpos
|
||
&& *pos1 == '.'
|
||
&& *(pos1 + 1) == '.')
|
||
{
|
||
/* Ellipsis refers to entire subtree; replace
|
||
with '**'. */
|
||
*(retpos++) = '*';
|
||
*(retpos++) = '*';
|
||
*(retpos++) = '/';
|
||
pos1 += 2;
|
||
}
|
||
break;
|
||
case '-' :
|
||
/* When after '.' '[' '<' is equivalent to Unix ".." but
|
||
there may be several in a row. */
|
||
if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' ||
|
||
*(pos1 - 1) == '<')
|
||
{
|
||
while (*pos1 == '-')
|
||
{
|
||
pos1++;
|
||
*(retpos++) = '.';
|
||
*(retpos++) = '.';
|
||
*(retpos++) = '/';
|
||
}
|
||
retpos--;
|
||
break;
|
||
}
|
||
/* Otherwise fall through to default. */
|
||
default:
|
||
*(retpos++) = *(pos1++);
|
||
}
|
||
}
|
||
pos1++;
|
||
}
|
||
}
|
||
|
||
if (pos1 < srcendpos)
|
||
{
|
||
/* Now add the actual file name, until the version suffix if any */
|
||
if (path_present)
|
||
*(retpos++) = '/';
|
||
pos2 = strchr (pos1, ';');
|
||
disp = pos2? (pos2 - pos1) : (srcendpos - pos1);
|
||
strncpy (retpos, pos1, disp);
|
||
retpos += disp;
|
||
if (pos2 && pos2 < srcendpos)
|
||
{
|
||
/* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */
|
||
*retpos++ = '.';
|
||
disp = srcendpos - pos2 - 1;
|
||
strncpy (retpos, pos2 + 1, disp);
|
||
retpos += disp;
|
||
}
|
||
}
|
||
|
||
*retpos = '\0';
|
||
|
||
return retbuf;
|
||
}
|
||
|
||
/* Translate a VMS syntax directory specification in to Unix syntax. If
|
||
PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax
|
||
found, return input string. Also translate a dirname that contains no
|
||
slashes, in case it's a logical name. */
|
||
|
||
char *
|
||
__gnat_to_canonical_dir_spec (char *dirspec, int prefixflag)
|
||
{
|
||
int len;
|
||
|
||
strcpy (new_canonical_dirspec, "");
|
||
if (strlen (dirspec))
|
||
{
|
||
char *dirspec1;
|
||
|
||
if (strchr (dirspec, ']') || strchr (dirspec, ':'))
|
||
{
|
||
strncpy (new_canonical_dirspec,
|
||
__gnat_translate_vms (dirspec),
|
||
MAXPATH);
|
||
}
|
||
else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0)
|
||
{
|
||
strncpy (new_canonical_dirspec,
|
||
__gnat_translate_vms (dirspec1),
|
||
MAXPATH);
|
||
}
|
||
else
|
||
{
|
||
strncpy (new_canonical_dirspec, dirspec, MAXPATH);
|
||
}
|
||
}
|
||
|
||
len = strlen (new_canonical_dirspec);
|
||
if (prefixflag && new_canonical_dirspec [len-1] != '/')
|
||
strncat (new_canonical_dirspec, "/", MAXPATH);
|
||
|
||
new_canonical_dirspec [MAXPATH - 1] = (char) 0;
|
||
|
||
return new_canonical_dirspec;
|
||
|
||
}
|
||
|
||
/* Translate a VMS syntax file specification into Unix syntax.
|
||
If no indicators of VMS syntax found, check if it's an uppercase
|
||
alphanumeric_ name and if so try it out as an environment
|
||
variable (logical name). If all else fails return the
|
||
input string. */
|
||
|
||
char *
|
||
__gnat_to_canonical_file_spec (char *filespec)
|
||
{
|
||
char *filespec1;
|
||
|
||
strncpy (new_canonical_filespec, "", MAXPATH);
|
||
|
||
if (strchr (filespec, ']') || strchr (filespec, ':'))
|
||
{
|
||
char *tspec = (char *) __gnat_translate_vms (filespec);
|
||
|
||
if (tspec != (char *) -1)
|
||
strncpy (new_canonical_filespec, tspec, MAXPATH);
|
||
}
|
||
else if ((strlen (filespec) == strspn (filespec,
|
||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"))
|
||
&& (filespec1 = getenv (filespec)))
|
||
{
|
||
char *tspec = (char *) __gnat_translate_vms (filespec1);
|
||
|
||
if (tspec != (char *) -1)
|
||
strncpy (new_canonical_filespec, tspec, MAXPATH);
|
||
}
|
||
else
|
||
{
|
||
strncpy (new_canonical_filespec, filespec, MAXPATH);
|
||
}
|
||
|
||
new_canonical_filespec [MAXPATH - 1] = (char) 0;
|
||
|
||
return new_canonical_filespec;
|
||
}
|
||
|
||
/* Translate a VMS syntax path specification into Unix syntax.
|
||
If no indicators of VMS syntax found, return input string. */
|
||
|
||
char *
|
||
__gnat_to_canonical_path_spec (char *pathspec)
|
||
{
|
||
char *curr, *next, buff [MAXPATH];
|
||
|
||
if (pathspec == 0)
|
||
return pathspec;
|
||
|
||
/* If there are /'s, assume it's a Unix path spec and return. */
|
||
if (strchr (pathspec, '/'))
|
||
return pathspec;
|
||
|
||
new_canonical_pathspec[0] = 0;
|
||
curr = pathspec;
|
||
|
||
for (;;)
|
||
{
|
||
next = strchr (curr, ',');
|
||
if (next == 0)
|
||
next = strchr (curr, 0);
|
||
|
||
strncpy (buff, curr, next - curr);
|
||
buff[next - curr] = 0;
|
||
|
||
/* Check for wildcards and expand if present. */
|
||
if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "..."))
|
||
{
|
||
int i, dirs;
|
||
|
||
dirs = __gnat_to_canonical_file_list_init (buff, 1);
|
||
for (i = 0; i < dirs; i++)
|
||
{
|
||
char *next_dir;
|
||
|
||
next_dir = __gnat_to_canonical_file_list_next ();
|
||
strncat (new_canonical_pathspec, next_dir, MAXPATH);
|
||
|
||
/* Don't append the separator after the last expansion. */
|
||
if (i+1 < dirs)
|
||
strncat (new_canonical_pathspec, ":", MAXPATH);
|
||
}
|
||
|
||
__gnat_to_canonical_file_list_free ();
|
||
}
|
||
else
|
||
strncat (new_canonical_pathspec,
|
||
__gnat_to_canonical_dir_spec (buff, 0), MAXPATH);
|
||
|
||
if (*next == 0)
|
||
break;
|
||
|
||
strncat (new_canonical_pathspec, ":", MAXPATH);
|
||
curr = next + 1;
|
||
}
|
||
|
||
new_canonical_pathspec [MAXPATH - 1] = (char) 0;
|
||
|
||
return new_canonical_pathspec;
|
||
}
|
||
|
||
static char filename_buff [MAXPATH];
|
||
|
||
static int
|
||
translate_unix (char *name, int type ATTRIBUTE_UNUSED)
|
||
{
|
||
strncpy (filename_buff, name, MAXPATH);
|
||
filename_buff [MAXPATH - 1] = (char) 0;
|
||
return 0;
|
||
}
|
||
|
||
/* Translate a Unix syntax directory specification into VMS syntax. The
|
||
PREFIXFLAG has no effect, but is kept for symmetry with
|
||
to_canonical_dir_spec. If indicators of VMS syntax found, return input
|
||
string. */
|
||
|
||
char *
|
||
__gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
||
{
|
||
int len = strlen (dirspec);
|
||
|
||
strncpy (new_host_dirspec, dirspec, MAXPATH);
|
||
new_host_dirspec [MAXPATH - 1] = (char) 0;
|
||
|
||
if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':'))
|
||
return new_host_dirspec;
|
||
|
||
while (len > 1 && new_host_dirspec[len - 1] == '/')
|
||
{
|
||
new_host_dirspec[len - 1] = 0;
|
||
len--;
|
||
}
|
||
|
||
decc$to_vms (new_host_dirspec, translate_unix, 1, 2);
|
||
strncpy (new_host_dirspec, filename_buff, MAXPATH);
|
||
new_host_dirspec [MAXPATH - 1] = (char) 0;
|
||
|
||
return new_host_dirspec;
|
||
}
|
||
|
||
/* Translate a Unix syntax file specification into VMS syntax.
|
||
If indicators of VMS syntax found, return input string. */
|
||
|
||
char *
|
||
__gnat_to_host_file_spec (char *filespec)
|
||
{
|
||
strncpy (new_host_filespec, "", MAXPATH);
|
||
if (strchr (filespec, ']') || strchr (filespec, ':'))
|
||
{
|
||
strncpy (new_host_filespec, filespec, MAXPATH);
|
||
}
|
||
else
|
||
{
|
||
decc$to_vms (filespec, translate_unix, 1, 1);
|
||
strncpy (new_host_filespec, filename_buff, MAXPATH);
|
||
}
|
||
|
||
new_host_filespec [MAXPATH - 1] = (char) 0;
|
||
|
||
return new_host_filespec;
|
||
}
|
||
|
||
void
|
||
__gnat_adjust_os_resource_limits (void)
|
||
{
|
||
SYS$ADJWSL (131072, 0);
|
||
}
|
||
|
||
#else /* VMS */
|
||
|
||
/* Dummy functions for Osint import for non-VMS systems. */
|
||
|
||
int
|
||
__gnat_to_canonical_file_list_init (char *dirspec ATTRIBUTE_UNUSED,
|
||
int onlydirs ATTRIBUTE_UNUSED)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
char *
|
||
__gnat_to_canonical_file_list_next (void)
|
||
{
|
||
static char empty[] = "";
|
||
return empty;
|
||
}
|
||
|
||
void
|
||
__gnat_to_canonical_file_list_free (void)
|
||
{
|
||
}
|
||
|
||
char *
|
||
__gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
||
{
|
||
return dirspec;
|
||
}
|
||
|
||
char *
|
||
__gnat_to_canonical_file_spec (char *filespec)
|
||
{
|
||
return filespec;
|
||
}
|
||
|
||
char *
|
||
__gnat_to_canonical_path_spec (char *pathspec)
|
||
{
|
||
return pathspec;
|
||
}
|
||
|
||
char *
|
||
__gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
||
{
|
||
return dirspec;
|
||
}
|
||
|
||
char *
|
||
__gnat_to_host_file_spec (char *filespec)
|
||
{
|
||
return filespec;
|
||
}
|
||
|
||
void
|
||
__gnat_adjust_os_resource_limits (void)
|
||
{
|
||
}
|
||
|
||
#endif
|
||
|
||
#if defined (__mips_vxworks)
|
||
int
|
||
_flush_cache (void)
|
||
{
|
||
CACHE_USER_FLUSH (0, ENTIRE_CACHE);
|
||
}
|
||
#endif
|
||
|
||
#if defined (IS_CROSS) \
|
||
|| (! ((defined (sparc) || defined (i386)) && defined (sun) \
|
||
&& defined (__SVR4)) \
|
||
&& ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \
|
||
&& ! (defined (linux) && defined (__ia64__)) \
|
||
&& ! (defined (linux) && defined (powerpc)) \
|
||
&& ! defined (__FreeBSD__) \
|
||
&& ! defined (__Lynx__) \
|
||
&& ! defined (__hpux__) \
|
||
&& ! defined (__APPLE__) \
|
||
&& ! defined (_AIX) \
|
||
&& ! defined (VMS) \
|
||
&& ! defined (__MINGW32__))
|
||
|
||
/* Dummy function to satisfy g-trasym.o. See the preprocessor conditional
|
||
just above for a list of native platforms that provide a non-dummy
|
||
version of this procedure in libaddr2line.a. */
|
||
|
||
void
|
||
convert_addresses (const char *file_name ATTRIBUTE_UNUSED,
|
||
void *addrs ATTRIBUTE_UNUSED,
|
||
int n_addr ATTRIBUTE_UNUSED,
|
||
void *buf ATTRIBUTE_UNUSED,
|
||
int *len ATTRIBUTE_UNUSED)
|
||
{
|
||
*len = 0;
|
||
}
|
||
#endif
|
||
|
||
#if defined (_WIN32)
|
||
int __gnat_argument_needs_quote = 1;
|
||
#else
|
||
int __gnat_argument_needs_quote = 0;
|
||
#endif
|
||
|
||
/* This option is used to enable/disable object files handling from the
|
||
binder file by the GNAT Project module. For example, this is disabled on
|
||
Windows (prior to GCC 3.4) as it is already done by the mdll module.
|
||
Stating with GCC 3.4 the shared libraries are not based on mdll
|
||
anymore as it uses the GCC's -shared option */
|
||
#if defined (_WIN32) \
|
||
&& ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4)))
|
||
int __gnat_prj_add_obj_files = 0;
|
||
#else
|
||
int __gnat_prj_add_obj_files = 1;
|
||
#endif
|
||
|
||
/* char used as prefix/suffix for environment variables */
|
||
#if defined (_WIN32)
|
||
char __gnat_environment_char = '%';
|
||
#else
|
||
char __gnat_environment_char = '$';
|
||
#endif
|
||
|
||
/* This functions copy the file attributes from a source file to a
|
||
destination file.
|
||
|
||
mode = 0 : In this mode copy only the file time stamps (last access and
|
||
last modification time stamps).
|
||
|
||
mode = 1 : In this mode, time stamps and read/write/execute attributes are
|
||
copied.
|
||
|
||
Returns 0 if operation was successful and -1 in case of error. */
|
||
|
||
int
|
||
__gnat_copy_attribs (char *from ATTRIBUTE_UNUSED, char *to ATTRIBUTE_UNUSED,
|
||
int mode ATTRIBUTE_UNUSED)
|
||
{
|
||
#if defined (VMS) || (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) || \
|
||
defined (__nucleus__)
|
||
return -1;
|
||
|
||
#elif defined (_WIN32) && !defined (RTX)
|
||
TCHAR wfrom [GNAT_MAX_PATH_LEN + 2];
|
||
TCHAR wto [GNAT_MAX_PATH_LEN + 2];
|
||
BOOL res;
|
||
FILETIME fct, flat, flwt;
|
||
HANDLE hfrom, hto;
|
||
|
||
S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2);
|
||
S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2);
|
||
|
||
/* retrieve from times */
|
||
|
||
hfrom = CreateFile
|
||
(wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
|
||
|
||
if (hfrom == INVALID_HANDLE_VALUE)
|
||
return -1;
|
||
|
||
res = GetFileTime (hfrom, &fct, &flat, &flwt);
|
||
|
||
CloseHandle (hfrom);
|
||
|
||
if (res == 0)
|
||
return -1;
|
||
|
||
/* retrieve from times */
|
||
|
||
hto = CreateFile
|
||
(wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
|
||
|
||
if (hto == INVALID_HANDLE_VALUE)
|
||
return -1;
|
||
|
||
res = SetFileTime (hto, NULL, &flat, &flwt);
|
||
|
||
CloseHandle (hto);
|
||
|
||
if (res == 0)
|
||
return -1;
|
||
|
||
/* Set file attributes in full mode. */
|
||
|
||
if (mode == 1)
|
||
{
|
||
DWORD attribs = GetFileAttributes (wfrom);
|
||
|
||
if (attribs == INVALID_FILE_ATTRIBUTES)
|
||
return -1;
|
||
|
||
res = SetFileAttributes (wto, attribs);
|
||
if (res == 0)
|
||
return -1;
|
||
}
|
||
|
||
return 0;
|
||
|
||
#else
|
||
GNAT_STRUCT_STAT fbuf;
|
||
struct utimbuf tbuf;
|
||
|
||
if (GNAT_STAT (from, &fbuf) == -1)
|
||
{
|
||
return -1;
|
||
}
|
||
|
||
tbuf.actime = fbuf.st_atime;
|
||
tbuf.modtime = fbuf.st_mtime;
|
||
|
||
if (utime (to, &tbuf) == -1)
|
||
{
|
||
return -1;
|
||
}
|
||
|
||
if (mode == 1)
|
||
{
|
||
if (chmod (to, fbuf.st_mode) == -1)
|
||
{
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
#endif
|
||
}
|
||
|
||
int
|
||
__gnat_lseek (int fd, long offset, int whence)
|
||
{
|
||
return (int) lseek (fd, offset, whence);
|
||
}
|
||
|
||
/* This function returns the major version number of GCC being used. */
|
||
int
|
||
get_gcc_version (void)
|
||
{
|
||
#ifdef IN_RTS
|
||
return __GNUC__;
|
||
#else
|
||
return (int) (version_string[0] - '0');
|
||
#endif
|
||
}
|
||
|
||
/*
|
||
* Set Close_On_Exec as indicated.
|
||
* Note: this is used for both GNAT.OS_Lib and GNAT.Sockets.
|
||
*/
|
||
|
||
int
|
||
__gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED,
|
||
int close_on_exec_p ATTRIBUTE_UNUSED)
|
||
{
|
||
#if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks)
|
||
int flags = fcntl (fd, F_GETFD, 0);
|
||
if (flags < 0)
|
||
return flags;
|
||
if (close_on_exec_p)
|
||
flags |= FD_CLOEXEC;
|
||
else
|
||
flags &= ~FD_CLOEXEC;
|
||
return fcntl (fd, F_SETFD, flags | FD_CLOEXEC);
|
||
#elif defined(_WIN32)
|
||
HANDLE h = (HANDLE) _get_osfhandle (fd);
|
||
if (h == (HANDLE) -1)
|
||
return -1;
|
||
if (close_on_exec_p)
|
||
return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0);
|
||
return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT,
|
||
HANDLE_FLAG_INHERIT);
|
||
#else
|
||
/* TODO: Unimplemented. */
|
||
return -1;
|
||
#endif
|
||
}
|
||
|
||
/* Indicates if platforms supports automatic initialization through the
|
||
constructor mechanism */
|
||
int
|
||
__gnat_binder_supports_auto_init (void)
|
||
{
|
||
#ifdef VMS
|
||
return 0;
|
||
#else
|
||
return 1;
|
||
#endif
|
||
}
|
||
|
||
/* Indicates that Stand-Alone Libraries are automatically initialized through
|
||
the constructor mechanism */
|
||
int
|
||
__gnat_sals_init_using_constructors (void)
|
||
{
|
||
#if defined (__vxworks) || defined (__Lynx__) || defined (VMS)
|
||
return 0;
|
||
#else
|
||
return 1;
|
||
#endif
|
||
}
|
||
|
||
#ifdef RTX
|
||
|
||
/* In RTX mode, the procedure to get the time (as file time) is different
|
||
in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file,
|
||
we introduce an intermediate procedure to link against the corresponding
|
||
one in each situation. */
|
||
|
||
extern void GetTimeAsFileTime (LPFILETIME pTime);
|
||
|
||
void GetTimeAsFileTime (LPFILETIME pTime)
|
||
{
|
||
#ifdef RTSS
|
||
RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */
|
||
#else
|
||
GetSystemTimeAsFileTime (pTime); /* w32 interface */
|
||
#endif
|
||
}
|
||
|
||
#ifdef RTSS
|
||
/* Add symbol that is required to link. It would otherwise be taken from
|
||
libgcc.a and it would try to use the gcc constructors that are not
|
||
supported by Microsoft linker. */
|
||
|
||
extern void __main (void);
|
||
|
||
void __main (void)
|
||
{
|
||
}
|
||
#endif /* RTSS */
|
||
#endif /* RTX */
|
||
|
||
#if defined (__ANDROID__)
|
||
|
||
#include <pthread.h>
|
||
|
||
void *
|
||
__gnat_lwp_self (void)
|
||
{
|
||
return (void *) pthread_self ();
|
||
}
|
||
|
||
#elif defined (linux)
|
||
/* There is no function in the glibc to retrieve the LWP of the current
|
||
thread. We need to do a system call in order to retrieve this
|
||
information. */
|
||
#include <sys/syscall.h>
|
||
void *
|
||
__gnat_lwp_self (void)
|
||
{
|
||
return (void *) syscall (__NR_gettid);
|
||
}
|
||
|
||
#include <sched.h>
|
||
|
||
/* glibc versions earlier than 2.7 do not define the routines to handle
|
||
dynamically allocated CPU sets. For these targets, we use the static
|
||
versions. */
|
||
|
||
#ifdef CPU_ALLOC
|
||
|
||
/* Dynamic cpu sets */
|
||
|
||
cpu_set_t *
|
||
__gnat_cpu_alloc (size_t count)
|
||
{
|
||
return CPU_ALLOC (count);
|
||
}
|
||
|
||
size_t
|
||
__gnat_cpu_alloc_size (size_t count)
|
||
{
|
||
return CPU_ALLOC_SIZE (count);
|
||
}
|
||
|
||
void
|
||
__gnat_cpu_free (cpu_set_t *set)
|
||
{
|
||
CPU_FREE (set);
|
||
}
|
||
|
||
void
|
||
__gnat_cpu_zero (size_t count, cpu_set_t *set)
|
||
{
|
||
CPU_ZERO_S (count, set);
|
||
}
|
||
|
||
void
|
||
__gnat_cpu_set (int cpu, size_t count, cpu_set_t *set)
|
||
{
|
||
/* Ada handles CPU numbers starting from 1, while C identifies the first
|
||
CPU by a 0, so we need to adjust. */
|
||
CPU_SET_S (cpu - 1, count, set);
|
||
}
|
||
|
||
#else /* !CPU_ALLOC */
|
||
|
||
/* Static cpu sets */
|
||
|
||
cpu_set_t *
|
||
__gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
|
||
{
|
||
return (cpu_set_t *) xmalloc (sizeof (cpu_set_t));
|
||
}
|
||
|
||
size_t
|
||
__gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED)
|
||
{
|
||
return sizeof (cpu_set_t);
|
||
}
|
||
|
||
void
|
||
__gnat_cpu_free (cpu_set_t *set)
|
||
{
|
||
free (set);
|
||
}
|
||
|
||
void
|
||
__gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
|
||
{
|
||
CPU_ZERO (set);
|
||
}
|
||
|
||
void
|
||
__gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
|
||
{
|
||
/* Ada handles CPU numbers starting from 1, while C identifies the first
|
||
CPU by a 0, so we need to adjust. */
|
||
CPU_SET (cpu - 1, set);
|
||
}
|
||
#endif /* !CPU_ALLOC */
|
||
#endif /* linux */
|
||
|
||
/* Return the load address of the executable, or 0 if not known. In the
|
||
specific case of error, (void *)-1 can be returned. Beware: this unit may
|
||
be in a shared library. As low-level units are needed, we allow #include
|
||
here. */
|
||
|
||
#if defined (__APPLE__)
|
||
#include <mach-o/dyld.h>
|
||
#elif 0 && defined (__linux__)
|
||
#include <link.h>
|
||
#endif
|
||
|
||
const void *
|
||
__gnat_get_executable_load_address (void)
|
||
{
|
||
#if defined (__APPLE__)
|
||
return _dyld_get_image_header (0);
|
||
|
||
#elif 0 && defined (__linux__)
|
||
/* Currently disabled as it needs at least -ldl. */
|
||
struct link_map *map = _r_debug.r_map;
|
||
|
||
return (const void *)map->l_addr;
|
||
|
||
#else
|
||
return NULL;
|
||
#endif
|
||
}
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|