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patch by Tito which unifies common get/set functions into 1 get/set function and cuts down on the size used significantly :)

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This commit is contained in:
Mike Frysinger 2005-05-07 07:14:41 +00:00
parent ba3a01f5e0
commit 548ffd49a3
4 changed files with 39 additions and 144 deletions
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15
e2fsprogs/e2p/e2p.h
View File

@ -13,11 +13,18 @@
#define PFOPT_LONG 1 /* Must be 1 for compatibility with `int long_format'. */
/*int fgetversion (const char * name, unsigned long * version);*/
/*int fsetversion (const char * name, unsigned long version);*/
int fgetsetversion(const char * name, unsigned long * get_version, unsigned long set_version);
#define fgetversion(name, version) fgetsetversion(name, version, 0)
#define fsetversion(name, version) fgetsetversion(name, NULL, version)
/*int fgetflags (const char * name, unsigned long * flags);*/
/*int fsetflags (const char * name, unsigned long flags);*/
int fgetsetflags(const char * name, unsigned long * get_flags, unsigned long set_flags);
#define fgetflags(name, flags) fgetsetflags(name, flags, 0)
#define fsetflags(name, flags) fgetsetflags(name, NULL, flags)
int fgetflags (const char * name, unsigned long * flags);
int fgetversion (const char * name, unsigned long * version);
int fsetflags (const char * name, unsigned long flags);
int fsetversion (const char * name, unsigned long version);
int getflags (int fd, unsigned long * flags);
int getversion (int fd, unsigned long * version);
int iterate_on_dir (const char * dir_name,

43
e2fsprogs/e2p/fgetflags.c → e2fsprogs/e2p/fgetsetflags.c
View File

@ -1,5 +1,6 @@
/*
* fgetflags.c - Get a file flags on an ext2 file system
* fsetflags.c - Set a file flags on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
@ -35,57 +36,33 @@
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fgetflags (const char * name, unsigned long * flags)
int fgetsetflags (const char * name, unsigned long * get_flags, unsigned long set_flags)
{
struct stat buf;
#if HAVE_STAT_FLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
if (stat (name, &buf) == -1)
return -1;
*flags = 0;
#ifdef UF_IMMUTABLE
if (buf.st_flags & UF_IMMUTABLE)
*flags |= EXT2_IMMUTABLE_FL;
#endif
#ifdef UF_APPEND
if (buf.st_flags & UF_APPEND)
*flags |= EXT2_APPEND_FL;
#endif
#ifdef UF_NODUMP
if (buf.st_flags & UF_NODUMP)
*flags |= EXT2_NODUMP_FL;
#endif
return 0;
#else
#if HAVE_EXT2_IOCTLS
struct stat buf;
int fd, r, f, save_errno = 0;
if (!stat(name, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
goto notsupp;
}
#if !APPLE_DARWIN
fd = open (name, OPEN_FLAGS);
if (fd == -1)
return -1;
r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);
if (!get_flags) {
f = (int) set_flags;
r = ioctl (fd, EXT2_IOC_SETFLAGS, &f);
} else {
r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);
*get_flags = f;
}
if (r == -1)
save_errno = errno;
*flags = f;
close (fd);
if (save_errno)
errno = save_errno;
return r;
#else
f = -1;
save_errno = syscall(SYS_fsctl, name, EXT2_IOC_GETFLAGS, &f, 0);
*flags = f;
return (save_errno);
#endif
#endif /* HAVE_EXT2_IOCTLS */
#endif
notsupp:
errno = EOPNOTSUPP;
return -1;

29
e2fsprogs/e2p/fgetversion.c → e2fsprogs/e2p/fgetsetversion.c
View File

@ -1,5 +1,7 @@
/*
* fgetversion.c - Get a file version on an ext2 file system
* fsetversion.c - Set a file version on an ext2 file system
*
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
@ -31,31 +33,36 @@
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fgetversion (const char * name, unsigned long * version)
/*
To do fsetversion: unsigned long *ptr_version must be set to NULL.
and unsigned long version must be set to a value
To do fgetversion: unsigned long *ptr_version must NOT be set to NULL
and unsigned long version is ignored.
TITO.
*/
int fgetsetversion (const char * name, unsigned long * get_version, unsigned long set_version)
{
#if HAVE_EXT2_IOCTLS
#if !APPLE_DARWIN
int fd, r, ver, save_errno = 0;
fd = open (name, OPEN_FLAGS);
if (fd == -1)
return -1;
r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
if (!get_version) {
ver = (int) set_version;
r = ioctl (fd, EXT2_IOC_SETVERSION, &ver);
} else {
r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
*get_version = ver;
}
if (r == -1)
save_errno = errno;
*version = ver;
close (fd);
if (save_errno)
errno = save_errno;
return r;
#else
int ver=-1, err;
err = syscall(SYS_fsctl, name, EXT2_IOC_GETVERSION, &ver, 0);
*version = ver;
return(err);
#endif
#else /* ! HAVE_EXT2_IOCTLS */
extern int errno;
errno = EOPNOTSUPP;
return -1;
#endif /* ! HAVE_EXT2_IOCTLS */

96
e2fsprogs/e2p/fsetflags.c
View File

@ -1,96 +0,0 @@
/*
* fsetflags.c - Set a file flags on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* This file can be redistributed under the terms of the GNU Library General
* Public License
*/
/*
* History:
* 93/10/30 - Creation
*/
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <fcntl.h>
#include <sys/ioctl.h>
#endif
#include "e2p.h"
/*
* Deal with lame glibc's that define this function without actually
* implementing it. Can you say "attractive nuisance", boys and girls?
* I knew you could!
*/
#ifdef __linux__
#undef HAVE_CHFLAGS
#endif
#ifdef O_LARGEFILE
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
#else
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fsetflags (const char * name, unsigned long flags)
{
struct stat buf;
#if HAVE_CHFLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
unsigned long bsd_flags = 0;
#ifdef UF_IMMUTABLE
if (flags & EXT2_IMMUTABLE_FL)
bsd_flags |= UF_IMMUTABLE;
#endif
#ifdef UF_APPEND
if (flags & EXT2_APPEND_FL)
bsd_flags |= UF_APPEND;
#endif
#ifdef UF_NODUMP
if (flags & EXT2_NODUMP_FL)
bsd_flags |= UF_NODUMP;
#endif
return chflags (name, bsd_flags);
#else
#if HAVE_EXT2_IOCTLS
int fd, r, f, save_errno = 0;
if (!stat(name, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
goto notsupp;
}
#if !APPLE_DARWIN
fd = open (name, OPEN_FLAGS);
if (fd == -1)
return -1;
f = (int) flags;
r = ioctl (fd, EXT2_IOC_SETFLAGS, &f);
if (r == -1)
save_errno = errno;
close (fd);
if (save_errno)
errno = save_errno;
#else
f = (int) flags;
return syscall(SYS_fsctl, name, EXT2_IOC_SETFLAGS, &f, 0);
#endif
return r;
#endif /* HAVE_EXT2_IOCTLS */
#endif
notsupp:
errno = EOPNOTSUPP;
return -1;
}