mirror of
https://github.com/sheumann/hush.git
synced 2024-07-06 04:28:58 +00:00
15d20a03d6
files still using them. I didn't remove them from e2fsck.c to avoid stomping pending cleanup patches from Garrett, and I didn't bother to remove them from fdisk.c because that entire file needs to be rewritten from scratch.
223 lines
5.5 KiB
C
223 lines
5.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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Copyright 2006, Bernhard Fischer
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Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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*/
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#ifndef __PLATFORM_H
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#define __PLATFORM_H 1
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/* Convenience macros to test the version of gcc. */
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#undef __GNUC_PREREQ
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#if defined __GNUC__ && defined __GNUC_MINOR__
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# define __GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define __GNUC_PREREQ(maj, min) 0
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#endif
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/* __restrict is known in EGCS 1.2 and above. */
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#if !__GNUC_PREREQ (2,92)
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# ifndef __restrict
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# define __restrict /* Ignore */
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# endif
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#endif
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/* Define macros for some gcc attributes. This permits us to use the
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macros freely, and know that they will come into play for the
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version of gcc in which they are supported. */
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#if !__GNUC_PREREQ (2,7)
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# ifndef __attribute__
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# define __attribute__(x)
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# endif
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#endif
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#undef inline
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#if __STDC_VERSION__ > 199901L
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/* it's a keyword */
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#else
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# if __GNUC_PREREQ (2,7)
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# define inline __inline__
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# else
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# define inline
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# endif
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#endif
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#ifndef __const
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# define __const const
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#endif
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#ifndef __THROW
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# define __THROW
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#endif
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#ifndef ATTRIBUTE_UNUSED
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# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
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#endif /* ATTRIBUTE_UNUSED */
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#ifndef ATTRIBUTE_NORETURN
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# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
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#endif /* ATTRIBUTE_NORETURN */
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#ifndef ATTRIBUTE_PACKED
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# define ATTRIBUTE_PACKED __attribute__ ((__packed__))
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#endif /* ATTRIBUTE_PACKED */
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#ifndef ATTRIBUTE_ALIGNED
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# define ATTRIBUTE_ALIGNED(m) __attribute__ ((__aligned__(m)))
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#endif /* ATTRIBUTE_ALIGNED */
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#ifndef ATTRIBUTE_ALWAYS_INLINE
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# if __GNUC_PREREQ (3,0)
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# define ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) inline
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# else
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# define ATTRIBUTE_ALWAYS_INLINE inline
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# endif
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#endif
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/* -fwhole-program makes all symbols local. The attribute externally_visible
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forces a symbol global. */
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#ifndef ATTRIBUTE_EXTERNALLY_VISIBLE
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# if __GNUC_PREREQ (4,1)
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# define ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((__externally_visible__))
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# else
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# define ATTRIBUTE_EXTERNALLY_VISIBLE
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# endif /* GNUC >= 4.1 */
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#endif /* ATTRIBUTE_EXTERNALLY_VISIBLE */
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/* We use __extension__ in some places to suppress -pedantic warnings
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about GCC extensions. This feature didn't work properly before
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gcc 2.8. */
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#if !__GNUC_PREREQ (2,8)
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# ifndef __extension__
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# define __extension__
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# endif
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#endif
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/* ---- Endian Detection ------------------------------------ */
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#if (defined __digital__ && defined __unix__)
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# include <sex.h>
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# define __BIG_ENDIAN__ (BYTE_ORDER == BIG_ENDIAN)
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# define __BYTE_ORDER BYTE_ORDER
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#elif !defined __APPLE__
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# include <byteswap.h>
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# include <endian.h>
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#endif
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#ifdef __BIG_ENDIAN__
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# define BB_BIG_ENDIAN 1
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# define BB_LITTLE_ENDIAN 0
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#elif __BYTE_ORDER == __BIG_ENDIAN
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# define BB_BIG_ENDIAN 1
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# define BB_LITTLE_ENDIAN 0
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#else
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# define BB_BIG_ENDIAN 0
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# define BB_LITTLE_ENDIAN 1
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#endif
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/* ---- Networking ------------------------------------------ */
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#ifndef __APPLE__
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# include <arpa/inet.h>
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#else
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# include <netinet/in.h>
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#endif
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#ifndef __socklen_t_defined
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typedef int socklen_t;
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#endif
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/* ---- Compiler dependent settings ------------------------- */
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#ifndef __GNUC__
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#if defined __INTEL_COMPILER
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__extension__ typedef __signed__ long long __s64;
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__extension__ typedef unsigned long long __u64;
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#endif /* __INTEL_COMPILER */
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#endif /* ifndef __GNUC__ */
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#if (defined __digital__ && defined __unix__)
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# undef HAVE_STDBOOL_H
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# undef HAVE_MNTENT_H
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#else
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# define HAVE_STDBOOL_H 1
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# define HAVE_MNTENT_H 1
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#endif /* ___digital__ && __unix__ */
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/*----- Kernel versioning ------------------------------------*/
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#ifdef __linux__
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#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
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#endif
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/* ---- miscellaneous --------------------------------------- */
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#if __GNU_LIBRARY__ < 5 && \
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!defined(__dietlibc__) && \
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!defined(_NEWLIB_VERSION) && \
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!(defined __digital__ && defined __unix__)
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#error "Sorry, this libc version is not supported :("
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#endif
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#if defined __GLIBC__ || defined __UCLIBC__ \
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|| defined __dietlibc__ || defined _NEWLIB_VERSION
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#include <features.h>
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#define HAVE_FEATURES_H
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#include <stdint.h>
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#define HAVE_STDINT_H
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#else
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/* Largest integral types. */
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#if __BIG_ENDIAN__
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typedef long int intmax_t;
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typedef unsigned long int uintmax_t;
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#else
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__extension__
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typedef long long int intmax_t;
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__extension__
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typedef unsigned long long int uintmax_t;
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#endif
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#endif
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#if (defined __digital__ && defined __unix__)
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#include <standards.h>
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#define HAVE_STANDARDS_H
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#include <inttypes.h>
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#define HAVE_INTTYPES_H
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#define PRIu32 "u"
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#endif
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// Need to implement fdprintf for platforms that haven't got dprintf.
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#define fdprintf dprintf
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/* THIS SHOULD BE CLEANED OUT OF THE TREE ENTIRELY */
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/* FIXME: fix tar.c! */
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#ifndef FNM_LEADING_DIR
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#define FNM_LEADING_DIR 0
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#endif
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/* move to platform.c */
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#if (defined __digital__ && defined __unix__)
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/* use legacy setpgrp(pidt_,pid_t) for now.. */
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#define bb_setpgrp do{pid_t __me = getpid();setpgrp(__me,__me);}while(0)
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#else
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#define bb_setpgrp setpgrp()
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#endif
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// I have no idea what platform this was for since aldot didn't say, but
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// it belongs here since Linux doesn't need it.
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#if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
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#define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
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#endif
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#if !defined ADJ_FREQUENCY && defined MOD_FREQUENCY
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#define ADJ_FREQUENCY MOD_FREQUENCY
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#endif
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#if !defined ADJ_TIMECONST && defined MOD_TIMECONST
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#define ADJ_TIMECONST MOD_TIMECONST
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#endif
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#if !defined ADJ_TICK && defined MOD_CLKB
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#define ADJ_TICK MOD_CLKB
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#endif
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#endif /* platform.h */
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