/* Find the device SPEC in fstab. */
struct mntentchn *
getfsspec (const char *spec) {
struct mntentchn *mc, *mc0;
mc0 = fstab_head();
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if (streq(mc->m.mnt_fsname, spec))
return mc;
return NULL;
}
/* Find the dir FILE in fstab. */
struct mntentchn *
getfsfile (const char *file) {
struct mntentchn *mc, *mc0;
mc0 = fstab_head();
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if (streq(mc->m.mnt_dir, file))
return mc;
return NULL;
}
/* Find the device SPEC in fstab. */
struct mntentchn *getfsspec(const char *spec)
{
struct mntentchn *mc;
for (mc = fstab_head()->nxt; mc; mc = mc->nxt)
if (streq(mc->mnt_fsname, spec))
break;
return mc;
}
/* Find the dir FILE in fstab. */
struct mntentchn *getfsfile(const char *file)
{
struct mntentchn *mc;
for (mc = fstab_head()->nxt; mc; mc = mc->nxt)
if (streq(mc->mnt_dir, file))
break;
return mc;
}
/* Find the label LABEL in fstab. */
struct mntentchn *
getfsvolspec (const char *label) {
struct mntentchn *mc, *mc0;
mc0 = fstab_head();
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if (strncmp (mc->m.mnt_fsname, "LABEL=", 6) == 0
&& streq(mc->m.mnt_fsname + 6, label))
return mc;
return NULL;
}
/* Find the uuid UUID in fstab. */
struct mntentchn *
getfsuuidspec (const char *uuid) {
struct mntentchn *mc, *mc0;
mc0 = fstab_head();
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if (strncmp (mc->m.mnt_fsname, "UUID=", 5) == 0
&& streq(mc->m.mnt_fsname + 5, uuid))
return mc;
return NULL;
}
/* Find the entry (SPEC,FILE) in fstab */
struct mntentchn *
getfsspecfile (const char *spec, const char *file) {
struct mntentchn *mc, *mc0;
mc0 = fstab_head();
/* first attempt: names occur precisely as given */
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if (streq(mc->m.mnt_dir, file) &&
streq(mc->m.mnt_fsname, spec))
return mc;
/* second attempt: names found after symlink resolution */
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if ((streq(mc->m.mnt_dir, file) ||
streq(canonicalize(mc->m.mnt_dir), file))
&& (streq(mc->m.mnt_fsname, spec) ||
streq(canonicalize(mc->m.mnt_fsname), spec)))
return mc;
/* third attempt: names found after LABEL= or UUID= resolution */
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt) {
if (!strncmp (mc->m.mnt_fsname, "LABEL=", 6) &&
(streq(mc->m.mnt_dir, file) ||
streq(canonicalize(mc->m.mnt_dir), file))) {
if (has_label(spec, mc->m.mnt_fsname+6))
return mc;
}
if (!strncmp (mc->m.mnt_fsname, "UUID=", 5) &&
(streq(mc->m.mnt_dir, file) ||
streq(canonicalize(mc->m.mnt_dir), file))) {
if (has_uuid(spec, mc->m.mnt_fsname+5))
return mc;
}
}
return NULL;
}
