diff options
Diffstat (limited to 'src/lib/bitmap.c')
-rw-r--r-- | src/lib/bitmap.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/lib/bitmap.c b/src/lib/bitmap.c index 0e3c968f..e84145b2 100644 --- a/src/lib/bitmap.c +++ b/src/lib/bitmap.c @@ -112,7 +112,7 @@ struct bmp * bmp_create(size_t bits, ssize_t offset) return NULL; tmp->bitmap = malloc(BITS_TO_LONGS(bits) * sizeof(unsigned long)); - if (!tmp->bitmap) { + if (tmp->bitmap == NULL) { free(tmp); return NULL; } @@ -142,6 +142,9 @@ int bmp_destroy(struct bmp * b) static ssize_t bad_id(struct bmp * b) { + if (b == NULL) + return -1; + return b->offset - 1; } @@ -177,7 +180,7 @@ static bool is_id_valid(struct bmp * b, bool bmp_is_id_valid(struct bmp * b, ssize_t id) { - if (!b) + if (b == NULL) return false; return is_id_valid(b, id); @@ -188,7 +191,7 @@ int bmp_release(struct bmp * b, { ssize_t rid; - if (!b) + if (b == NULL) return -1; if (!is_id_valid(b, id)) |