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This commit is contained in:
Tim Riker
2006-01-25 00:08:53 +00:00
parent f64ff682a3
commit c1ef7bdd8d
254 changed files with 2002 additions and 2002 deletions
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64
e2fsprogs/ext2fs/ismounted.c
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@@ -1,6 +1,6 @@
/*
* ismounted.c --- Check to see if the filesystem was mounted
*
*
* Copyright (C) 1995,1996,1997,1998,1999,2000 Theodore Ts'o.
*
* %Begin-Header%
@@ -38,17 +38,17 @@
/*
* Helper function which checks a file in /etc/mtab format to see if a
* filesystem is mounted. Returns an error if the file doesn't exist
* or can't be opened.
* or can't be opened.
*/
static errcode_t check_mntent_file(const char *mtab_file, const char *file,
static errcode_t check_mntent_file(const char *mtab_file, const char *file,
int *mount_flags, char *mtpt, int mtlen)
{
struct mntent *mnt;
struct mntent *mnt;
struct stat st_buf;
errcode_t retval = 0;
dev_t file_dev=0, file_rdev=0;
ino_t file_ino=0;
FILE *f;
FILE *f;
int fd;
*mount_flags = 0;
@@ -103,7 +103,7 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
}
#ifndef __GNU__ /* The GNU hurd is deficient; what else is new? */
/* Validate the entry in case /etc/mtab is out of date */
/*
/*
* We need to be paranoid, because some broken distributions
* (read: Slackware) don't initialize /etc/mtab before checking
* all of the non-root filesystems on the disk.
@@ -128,7 +128,7 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
}
#endif /* __GNU__ */
*mount_flags = EXT2_MF_MOUNTED;
#ifdef MNTOPT_RO
/* Check to see if the ro option is set */
if (hasmntopt(mnt, MNTOPT_RO))
@@ -145,7 +145,7 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
*/
if (!strcmp(mnt->mnt_dir, "/")) {
is_root:
#define TEST_FILE "/.ismount-test-file"
#define TEST_FILE "/.ismount-test-file"
*mount_flags |= EXT2_MF_ISROOT;
fd = open(TEST_FILE, O_RDWR|O_CREAT);
if (fd < 0) {
@@ -184,7 +184,7 @@ static errcode_t check_mntent(const char *file, int *mount_flags,
#endif /* MOUNTED */
retval = check_mntent_file(MOUNTED, file, mount_flags, mtpt, mtlen);
return retval;
#else
#else
*mount_flags = 0;
return 0;
#endif /* defined(MOUNTED) || defined(_PATH_MOUNTED) */
@@ -197,31 +197,31 @@ static errcode_t check_getmntinfo(const char *file, int *mount_flags,
char *mtpt, int mtlen)
{
struct statfs *mp;
int len, n;
const char *s1;
int len, n;
const char *s1;
char *s2;
n = getmntinfo(&mp, MNT_NOWAIT);
if (n == 0)
n = getmntinfo(&mp, MNT_NOWAIT);
if (n == 0)
return errno;
len = sizeof(_PATH_DEV) - 1;
s1 = file;
if (strncmp(_PATH_DEV, s1, len) == 0)
s1 += len;
len = sizeof(_PATH_DEV) - 1;
s1 = file;
if (strncmp(_PATH_DEV, s1, len) == 0)
s1 += len;
*mount_flags = 0;
while (--n >= 0) {
s2 = mp->f_mntfromname;
if (strncmp(_PATH_DEV, s2, len) == 0) {
s2 += len - 1;
*s2 = 'r';
}
if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) {
while (--n >= 0) {
s2 = mp->f_mntfromname;
if (strncmp(_PATH_DEV, s2, len) == 0) {
s2 += len - 1;
*s2 = 'r';
}
if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) {
*mount_flags = EXT2_MF_MOUNTED;
break;
}
++mp;
++mp;
}
if (mtpt)
strncpy(mtpt, mp->f_mntonname, mtlen);
@@ -270,7 +270,7 @@ static int is_swap_device(const char *file)
ret++;
break;
}
#endif /* __GNU__ */
#endif /* __GNU__ */
}
fclose(f);
return ret;
@@ -296,7 +296,7 @@ errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags,
}
#ifdef HAVE_MNTENT_H
return check_mntent(device, mount_flags, mtpt, mtlen);
#else
#else
#ifdef HAVE_GETMNTINFO
return check_getmntinfo(device, mount_flags, mtpt, mtlen);
#else
@@ -312,7 +312,7 @@ errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags,
/*
* ext2fs_check_if_mounted() sets the mount_flags EXT2_MF_MOUNTED,
* EXT2_MF_READONLY, and EXT2_MF_ROOT
*
*
*/
errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags)
{
@@ -324,7 +324,7 @@ int main(int argc, char **argv)
{
int retval, mount_flags;
char mntpt[80];
if (argc < 2) {
fprintf(stderr, "Usage: %s device\n", argv[0]);
exit(1);
@@ -347,12 +347,12 @@ int main(int argc, char **argv)
if (mount_flags & EXT2_MF_READONLY)
printf("\t%s is read-only.\n", argv[1]);
if (mount_flags & EXT2_MF_ISROOT)
printf("\t%s is the root filesystem.\n", argv[1]);
if (mntpt[0])
printf("\t%s is mounted on %s.\n", argv[1], mntpt);
exit(0);
}
#endif /* DEBUG */