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Fixed ln, df, and removed redundant stuff from mtab.

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This commit is contained in:
Eric Andersen
1999-11-06 06:07:27 +00:00
parent bc34190694
commit 29d2e362de
10 changed files with 127 additions and 175 deletions
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54
coreutils/df.c
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@@ -38,6 +38,7 @@ static int df(char *device, const char *mountPoint)
struct statfs s;
long blocks_used;
long blocks_percent_used;
struct fstab* fstabItem;
if (statfs(mountPoint, &s) != 0) {
perror(mountPoint);
@@ -48,9 +49,12 @@ static int df(char *device, const char *mountPoint)
blocks_used = s.f_blocks - s.f_bfree;
blocks_percent_used = (long)
(blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
if (strcmp(device, "/dev/root") == 0)
device = (getfsfile("/"))->fs_spec;
/* Note that if /etc/fstab is missing, libc can't fix up /dev/root for us */
if (strcmp (device, "/dev/root") == 0) {
fstabItem = getfsfile ("/");
if (fstabItem != NULL)
device = fstabItem->fs_spec;
}
printf("%-20s %9ld %9ld %9ld %3ld%% %s\n",
device,
(long) (s.f_blocks * (s.f_bsize / 1024.0)),
@@ -63,52 +67,14 @@ static int df(char *device, const char *mountPoint)
return 0;
}
/*
* 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;
}
extern int df_main(int argc, char **argv)
{
printf("%-20s %-14s %s %s %s %s\n", "Filesystem",
"1k-blocks", "Used", "Available", "Use%", "Mounted on");
/* Only compiled in if BB_MTAB is not defined */
whine_if_fstab_is_missing();
if (argc > 1) {
struct mntent *mountEntry;
int status;