56 lines
1.2 KiB
Diff
56 lines
1.2 KiB
Diff
|
--- a/lib/sysfs_utils.c
|
||
|
|
+++ b/lib/sysfs_utils.c
|
||
|
|
@@ -22,6 +22,7 @@
|
||
|
|
*/
|
||
|
|
#include "libsysfs.h"
|
||
|
|
#include "sysfs.h"
|
||
|
|
+#include <mntent.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* sysfs_remove_trailing_slash: Removes any trailing '/' in the given path
|
||
|
|
@@ -53,6 +54,9 @@ int sysfs_get_mnt_path(char *mnt_path, s
|
||
|
|
{
|
||
|
|
static char sysfs_path[SYSFS_PATH_MAX] = "";
|
||
|
|
const char *sysfs_path_env;
|
||
|
|
+ FILE *mnt;
|
||
|
|
+ struct mntent *mntent;
|
||
|
|
+ int ret;
|
||
|
|
|
||
|
|
if (len == 0 || mnt_path == NULL)
|
||
|
|
return -1;
|
||
|
|
@@ -64,12 +68,31 @@ int sysfs_get_mnt_path(char *mnt_path, s
|
||
|
|
if (sysfs_path_env != NULL) {
|
||
|
|
safestrcpymax(mnt_path, sysfs_path_env, len);
|
||
|
|
sysfs_remove_trailing_slash(mnt_path);
|
||
|
|
- return 0;
|
||
|
|
+ } else {
|
||
|
|
+ safestrcpymax(mnt_path, SYSFS_MNT_PATH, len);
|
||
|
|
}
|
||
|
|
- safestrcpymax(mnt_path, SYSFS_MNT_PATH, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
- return 0;
|
||
|
|
+ /* check that mount point is indeed mounted */
|
||
|
|
+ ret = -1;
|
||
|
|
+ if ((mnt = setmntent(SYSFS_PROC_MNTS, "r")) == NULL) {
|
||
|
|
+ dprintf("Error getting mount information\n");
|
||
|
|
+ return -1;
|
||
|
|
+ }
|
||
|
|
+ while ((mntent = getmntent(mnt)) != NULL) {
|
||
|
|
+ if (strcmp(mntent->mnt_type, SYSFS_FSTYPE_NAME) == 0 &&
|
||
|
|
+ strcmp(mntent->mnt_dir, mnt_path) == 0) {
|
||
|
|
+ ret = 0;
|
||
|
|
+ break;
|
||
|
|
+ }
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
+ endmntent(mnt);
|
||
|
|
+
|
||
|
|
+ if (ret < 0)
|
||
|
|
+ errno = ENOENT;
|
||
|
|
+
|
||
|
|
+ return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|