diff options
author | Eric Andersen <andersen@codepoet.org> | 1999-11-06 09:07:27 +0300 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 1999-11-06 09:07:27 +0300 |
commit | 29d2e362dedf42d60ffebf6756144fb5449e753a (patch) | |
tree | 57ba26bdcf5dae8deb91a3d1a9b47bcc140689a0 /utility.c | |
parent | bc3419069494fac078b316ce3a2f6a232c763c3e (diff) |
Fixed ln, df, and removed redundant stuff from mtab.
Diffstat (limited to 'utility.c')
-rw-r--r-- | utility.c | 59 |
1 files changed, 59 insertions, 0 deletions
@@ -868,5 +868,64 @@ extern int replace_match(char *haystack, char *needle, char *newNeedle, int igno #endif + + + + +#if defined BB_DF | defined BB_MTAB +/* + * Given a block device, find the mount table entry if that block device + * is mounted. + * + * Given any other file (or directory), find the mount table entry for its + * filesystem. + */ +extern struct mntent *findMountPoint(const char *name, const char *table) +{ + struct stat s; + dev_t mountDevice; + FILE *mountTable; + struct mntent *mountEntry; + + if (stat(name, &s) != 0) + return 0; + + if ((s.st_mode & S_IFMT) == S_IFBLK) + mountDevice = s.st_rdev; + else + mountDevice = s.st_dev; + + + if ((mountTable = setmntent(table, "r")) == 0) + return 0; + + while ((mountEntry = getmntent(mountTable)) != 0) { + if (strcmp(name, mountEntry->mnt_dir) == 0 + || strcmp(name, mountEntry->mnt_fsname) == 0) /* String match. */ + break; + if (stat(mountEntry->mnt_fsname, &s) == 0 && s.st_rdev == mountDevice) /* Match the device. */ + break; + if (stat(mountEntry->mnt_dir, &s) == 0 && s.st_dev == mountDevice) /* Match the directory's mount point. */ + break; + } + endmntent(mountTable); + return mountEntry; +} + +#endif + + + +#if !defined BB_MTAB && (defined BB_MOUNT || defined BB_DF ) +extern void whine_if_fstab_is_missing() +{ + struct stat statBuf; + if (stat("/etc/fstab", &statBuf) < 0) + fprintf(stderr, "/etc/fstab file missing -- install one to name /dev/root.\n\n"); +} +#endif + + /* END CODE */ + |