diff options
Diffstat (limited to 'lib/canonicalize.c')
| -rw-r--r-- | lib/canonicalize.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/canonicalize.c b/lib/canonicalize.c index b600248c7..ef3342b12 100644 --- a/lib/canonicalize.c +++ b/lib/canonicalize.c @@ -16,6 +16,7 @@ #include <sys/stat.h> #include "canonicalize.h" +#include "pathnames.h" /* * Converts private "dm-N" names to "/dev/mapper/<name>" @@ -27,7 +28,7 @@ char *canonicalize_dm_name(const char *ptname) { FILE *f; size_t sz; - char path[256], name[256], *res = NULL; + char path[256], name[sizeof(path) - sizeof(_PATH_DEV_MAPPER)], *res = NULL; if (!ptname || !*ptname) return NULL; @@ -39,7 +40,7 @@ char *canonicalize_dm_name(const char *ptname) /* read "<name>\n" from sysfs */ if (fgets(name, sizeof(name), f) && (sz = strlen(name)) > 1) { name[sz - 1] = '\0'; - snprintf(path, sizeof(path), "/dev/mapper/%s", name); + snprintf(path, sizeof(path), _PATH_DEV_MAPPER "/%s", name); if (access(path, F_OK) == 0) res = strdup(path); |