linux: libzutil: zfs_path_order: don't strdup ZPOOL_IMPORT_PATH

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13223
This commit is contained in:
наб 2022-03-16 02:06:27 +01:00 committed by Brian Behlendorf
parent 8a2ed86001
commit 6322a77ce7
1 changed files with 17 additions and 17 deletions

View File

@ -264,36 +264,36 @@ zpool_default_search_paths(size_t *count)
* index in the passed 'order' variable, otherwise return an error. * index in the passed 'order' variable, otherwise return an error.
*/ */
static int static int
zfs_path_order(char *name, int *order) zfs_path_order(const char *name, int *order)
{ {
int i, error = ENOENT; const char *env = getenv("ZPOOL_IMPORT_PATH");
char *dir, *env, *envdup, *tmp = NULL;
env = getenv("ZPOOL_IMPORT_PATH");
if (env) { if (env) {
envdup = strdup(env); for (int i = 0; ; ++i) {
for (dir = strtok_r(envdup, ":", &tmp), i = 0; env += strspn(env, ":");
dir != NULL; size_t dirlen = strcspn(env, ":");
dir = strtok_r(NULL, ":", &tmp), i++) { if (dirlen) {
if (strncmp(name, dir, strlen(dir)) == 0) { if (strncmp(name, env, dirlen) == 0) {
*order = i; *order = i;
error = 0; return (0);
}
env += dirlen;
} else
break; break;
} }
}
free(envdup);
} else { } else {
for (i = 0; i < ARRAY_SIZE(zpool_default_import_path); i++) { for (int i = 0; i < ARRAY_SIZE(zpool_default_import_path);
++i) {
if (strncmp(name, zpool_default_import_path[i], if (strncmp(name, zpool_default_import_path[i],
strlen(zpool_default_import_path[i])) == 0) { strlen(zpool_default_import_path[i])) == 0) {
*order = i; *order = i;
error = 0; return (0);
break;
} }
} }
} }
return (error); return (ENOENT);
} }
/* /*