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Diffstat (limited to 'libmount/src/fs.c')
-rw-r--r--libmount/src/fs.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/libmount/src/fs.c b/libmount/src/fs.c
index bb9006dee..c95cdc7e7 100644
--- a/libmount/src/fs.c
+++ b/libmount/src/fs.c
@@ -131,7 +131,6 @@ struct libmnt_fs *mnt_copy_fs(struct libmnt_fs *dest,
if (!src)
return NULL;
-
if (!dest) {
dest = mnt_new_fs();
if (!dest)
@@ -197,6 +196,7 @@ struct libmnt_fs *mnt_copy_mtab_fs(const struct libmnt_fs *fs)
{
struct libmnt_fs *n = mnt_new_fs();
+ assert(fs);
if (!n)
return NULL;
@@ -249,6 +249,7 @@ err:
*/
void *mnt_fs_get_userdata(struct libmnt_fs *fs)
{
+ assert(fs);
return fs ? fs->userdata : NULL;
}
@@ -263,6 +264,7 @@ void *mnt_fs_get_userdata(struct libmnt_fs *fs)
*/
int mnt_fs_set_userdata(struct libmnt_fs *fs, void *data)
{
+ assert(fs);
if (!fs)
return -EINVAL;
fs->userdata = data;
@@ -303,6 +305,7 @@ const char *mnt_fs_get_srcpath(struct libmnt_fs *fs)
*/
const char *mnt_fs_get_source(struct libmnt_fs *fs)
{
+ assert(fs);
return fs ? fs->source : NULL;
}
@@ -346,6 +349,7 @@ int mnt_fs_set_source(struct libmnt_fs *fs, const char *source)
char *p = NULL;
int rc;
+ assert(fs);
if (!fs)
return -EINVAL;
@@ -375,6 +379,7 @@ int mnt_fs_streq_srcpath(struct libmnt_fs *fs, const char *path)
{
const char *p;
+ assert(fs);
if (!fs)
return 0;
@@ -401,6 +406,7 @@ int mnt_fs_streq_srcpath(struct libmnt_fs *fs, const char *path)
*/
int mnt_fs_streq_target(struct libmnt_fs *fs, const char *path)
{
+ assert(fs);
return fs && streq_except_trailing_slash(mnt_fs_get_target(fs), path);
}
@@ -439,6 +445,7 @@ int mnt_fs_streq_target(struct libmnt_fs *fs, const char *path)
*/
int mnt_fs_get_tag(struct libmnt_fs *fs, const char **name, const char **value)
{
+ assert(fs);
if (fs == NULL || !fs->tagname)
return -EINVAL;
if (name)
@@ -474,7 +481,6 @@ int mnt_fs_set_target(struct libmnt_fs *fs, const char *target)
char *p = NULL;
assert(fs);
-
if (!fs)
return -EINVAL;
if (target) {
@@ -506,6 +512,7 @@ static int mnt_fs_get_flags(struct libmnt_fs *fs)
*/
int mnt_fs_get_propagation(struct libmnt_fs *fs, unsigned long *flags)
{
+ assert(fs);
if (!fs || !flags)
return -EINVAL;
@@ -547,6 +554,7 @@ int mnt_fs_is_kernel(struct libmnt_fs *fs)
*/
int mnt_fs_is_swaparea(struct libmnt_fs *fs)
{
+ assert(fs);
return mnt_fs_get_flags(fs) & MNT_FS_SWAP;
}
@@ -558,6 +566,7 @@ int mnt_fs_is_swaparea(struct libmnt_fs *fs)
*/
int mnt_fs_is_pseudofs(struct libmnt_fs *fs)
{
+ assert(fs);
return mnt_fs_get_flags(fs) & MNT_FS_PSEUDO;
}
@@ -569,6 +578,7 @@ int mnt_fs_is_pseudofs(struct libmnt_fs *fs)
*/
int mnt_fs_is_netfs(struct libmnt_fs *fs)
{
+ assert(fs);
return mnt_fs_get_flags(fs) & MNT_FS_NET;
}
@@ -622,6 +632,7 @@ int mnt_fs_set_fstype(struct libmnt_fs *fs, const char *fstype)
{
char *p = NULL;
+ assert(fs);
if (!fs)
return -EINVAL;
if (fstype) {
@@ -700,9 +711,7 @@ char *mnt_fs_strdup_options(struct libmnt_fs *fs)
char *res;
assert(fs);
-
errno = 0;
-
if (fs->optstr)
return strdup(fs->optstr);
@@ -758,7 +767,6 @@ int mnt_fs_set_options(struct libmnt_fs *fs, const char *optstr)
char *v = NULL, *f = NULL, *u = NULL, *n = NULL;
assert(fs);
-
if (!fs)
return -EINVAL;
if (optstr) {
@@ -801,7 +809,6 @@ int mnt_fs_append_options(struct libmnt_fs *fs, const char *optstr)
int rc;
assert(fs);
-
if (!fs)
return -EINVAL;
if (!optstr)
@@ -842,7 +849,6 @@ int mnt_fs_prepend_options(struct libmnt_fs *fs, const char *optstr)
int rc;
assert(fs);
-
if (!fs)
return -EINVAL;
if (!optstr)
@@ -932,6 +938,7 @@ int mnt_fs_set_attributes(struct libmnt_fs *fs, const char *optstr)
{
char *p = NULL;
+ assert(fs);
if (!fs)
return -EINVAL;
if (optstr) {
@@ -974,6 +981,7 @@ int mnt_fs_append_attributes(struct libmnt_fs *fs, const char *optstr)
*/
int mnt_fs_prepend_attributes(struct libmnt_fs *fs, const char *optstr)
{
+ assert(fs);
if (!fs)
return -EINVAL;
if (!optstr)
@@ -1235,6 +1243,7 @@ int mnt_fs_get_option(struct libmnt_fs *fs, const char *name,
{
char rc = 1;
+ assert(fs);
if (!fs)
return -EINVAL;
if (fs->fs_optstr)
@@ -1260,6 +1269,9 @@ int mnt_fs_get_attribute(struct libmnt_fs *fs, const char *name,
{
char rc = 1;
+ assert(fs);
+ if (!fs)
+ return -EINVAL;
if (fs->attrs)
rc = mnt_optstr_get_option(fs->attrs, name, value, valsz);
return rc;
@@ -1286,6 +1298,7 @@ int mnt_fs_match_target(struct libmnt_fs *fs, const char *target,
{
int rc = 0;
+ assert(fs);
if (!fs || !target || !fs->target)
return 0;
@@ -1330,6 +1343,7 @@ int mnt_fs_match_source(struct libmnt_fs *fs, const char *source,
char *cn;
const char *src, *t, *v;
+ assert(fs);
if (!fs)
return 0;
@@ -1403,6 +1417,7 @@ int mnt_fs_match_source(struct libmnt_fs *fs, const char *source,
*/
int mnt_fs_match_fstype(struct libmnt_fs *fs, const char *types)
{
+ assert(fs);
return mnt_match_fstype(fs->fstype, types);
}
@@ -1418,6 +1433,7 @@ int mnt_fs_match_fstype(struct libmnt_fs *fs, const char *types)
*/
int mnt_fs_match_options(struct libmnt_fs *fs, const char *options)
{
+ assert(fs);
return mnt_match_options(mnt_fs_get_options(fs), options);
}
@@ -1430,7 +1446,7 @@ int mnt_fs_match_options(struct libmnt_fs *fs, const char *options)
*/
int mnt_fs_print_debug(struct libmnt_fs *fs, FILE *file)
{
- if (!fs)
+ if (!fs || !file)
return -EINVAL;
fprintf(file, "------ fs: %p\n", fs);
fprintf(file, "source: %s\n", mnt_fs_get_source(fs));
@@ -1514,6 +1530,8 @@ int mnt_fs_to_mntent(struct libmnt_fs *fs, struct mntent **mnt)
int rc;
struct mntent *m;
+ assert(fs);
+ assert(mnt);
if (!fs || !mnt)
return -EINVAL;