diff options
-rw-r--r-- | cpio/cpio.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/cpio/cpio.c b/cpio/cpio.c index d7bb9c46..1691c756 100644 --- a/cpio/cpio.c +++ b/cpio/cpio.c @@ -1344,23 +1344,23 @@ lookup_name(struct cpio *cpio, struct name_cache **name_cache_variable, cache->cache[slot].name = NULL; } - if (lookup_fn(cpio, &name, id) == 0) { - if (name == NULL || name[0] == '\0') { - /* If lookup failed, format it as a number. */ - snprintf(asnum, sizeof(asnum), "%u", (unsigned)id); - name = asnum; - } - cache->cache[slot].name = strdup(name); - if (cache->cache[slot].name != NULL) { - cache->cache[slot].id = id; - return (cache->cache[slot].name); - } - /* - * Conveniently, NULL marks an empty slot, so - * if the strdup() fails, we've just failed to - * cache it. No recovery necessary. - */ + if (lookup_fn(cpio, &name, id)) { + /* If lookup failed, format it as a number. */ + snprintf(asnum, sizeof(asnum), "%u", (unsigned)id); + name = asnum; + } + + cache->cache[slot].name = strdup(name); + if (cache->cache[slot].name != NULL) { + cache->cache[slot].id = id; + return (cache->cache[slot].name); } + + /* + * Conveniently, NULL marks an empty slot, so + * if the strdup() fails, we've just failed to + * cache it. No recovery necessary. + */ return (NULL); } @@ -1381,15 +1381,14 @@ lookup_uname_helper(struct cpio *cpio, const char **name, id_t id) errno = 0; pwent = getpwuid((uid_t)id); if (pwent == NULL) { - *name = NULL; - if (errno != 0 && errno != ENOENT) + if (errno && errno != ENOENT) lafe_warnc(errno, "getpwuid(%s) failed", cpio_i64toa((int64_t)id)); - return (errno); + return 1; } *name = pwent->pw_name; - return (0); + return 0; } static const char * @@ -1409,15 +1408,14 @@ lookup_gname_helper(struct cpio *cpio, const char **name, id_t id) errno = 0; grent = getgrgid((gid_t)id); if (grent == NULL) { - *name = NULL; - if (errno != 0) + if (errno && errno != ENOENT) lafe_warnc(errno, "getgrgid(%s) failed", cpio_i64toa((int64_t)id)); - return (errno); + return 1; } *name = grent->gr_name; - return (0); + return 0; } /* |