diff options
Diffstat (limited to 'common/compat.c')
| -rw-r--r-- | common/compat.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/common/compat.c b/common/compat.c index 9aa556a..f5b88ec 100644 --- a/common/compat.c +++ b/common/compat.c @@ -216,9 +216,15 @@ p11_mmap_open (const char *path, return NULL; } + if (sb->st_size == 0) { + *data = ""; + *size = 0; + return map; + } + map->size = sb->st_size; map->data = mmap (NULL, map->size, PROT_READ, MAP_PRIVATE, map->fd, 0); - if (map->data == NULL) { + if (map->data == MAP_FAILED) { close (map->fd); free (map); return NULL; @@ -232,7 +238,8 @@ p11_mmap_open (const char *path, void p11_mmap_close (p11_mmap *map) { - munmap (map->data, map->size); + if (map->size) + munmap (map->data, map->size); close (map->fd); free (map); } |