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authorMike Frysinger <vapier@gentoo.org>2005-05-07 07:14:41 +0000
committerMike Frysinger <vapier@gentoo.org>2005-05-07 07:14:41 +0000
commit548ffd49a346a699ab64bd2659420d3ddbaeea6b (patch)
tree4f5be5e56a345fb02590a0dfb9679297c2275fd7 /e2fsprogs
parentba3a01f5e09102a2ed4392dc379d1879eb5b573f (diff)
downloadbusybox-548ffd49a346a699ab64bd2659420d3ddbaeea6b.tar.gz
patch by Tito which unifies common get/set functions into 1 get/set function and cuts down on the size used significantly :)
Diffstat (limited to 'e2fsprogs')
-rw-r--r--e2fsprogs/e2p/e2p.h15
-rw-r--r--e2fsprogs/e2p/fgetsetflags.c (renamed from e2fsprogs/e2p/fgetflags.c)43
-rw-r--r--e2fsprogs/e2p/fgetsetversion.c (renamed from e2fsprogs/e2p/fgetversion.c)29
-rw-r--r--e2fsprogs/e2p/fsetflags.c96
4 files changed, 39 insertions, 144 deletions
diff --git a/e2fsprogs/e2p/e2p.h b/e2fsprogs/e2p/e2p.h
index d208b46a8..78930ec17 100644
--- a/e2fsprogs/e2p/e2p.h
+++ b/e2fsprogs/e2p/e2p.h
@@ -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,
diff --git a/e2fsprogs/e2p/fgetflags.c b/e2fsprogs/e2p/fgetsetflags.c
index 6db729e08..0a9f5359a 100644
--- a/e2fsprogs/e2p/fgetflags.c
+++ b/e2fsprogs/e2p/fgetsetflags.c
@@ -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;
diff --git a/e2fsprogs/e2p/fgetversion.c b/e2fsprogs/e2p/fgetsetversion.c
index 351a7d5d0..dcf127c26 100644
--- a/e2fsprogs/e2p/fgetversion.c
+++ b/e2fsprogs/e2p/fgetsetversion.c
@@ -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 */
diff --git a/e2fsprogs/e2p/fsetflags.c b/e2fsprogs/e2p/fsetflags.c
deleted file mode 100644
index 40e7292dd..000000000
--- a/e2fsprogs/e2p/fsetflags.c
+++ /dev/null
@@ -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;
-}