diff options
Diffstat (limited to 'src/lib/bitmap.c')
| -rw-r--r-- | src/lib/bitmap.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/lib/bitmap.c b/src/lib/bitmap.c index 8aabb4f4..e84145b2 100644 --- a/src/lib/bitmap.c +++ b/src/lib/bitmap.c @@ -108,12 +108,14 @@ struct bmp * bmp_create(size_t bits, ssize_t offset) return NULL; tmp = malloc(sizeof(*tmp)); - if (!tmp) + if (tmp == NULL) return NULL; - tmp->bitmap = malloc(BITS_TO_LONGS(bits) * sizeof(*(tmp->bitmap))); - if (!tmp->bitmap) + tmp->bitmap = malloc(BITS_TO_LONGS(bits) * sizeof(unsigned long)); + if (tmp->bitmap == NULL) { + free(tmp); return NULL; + } tmp->size = bits; tmp->offset = offset; @@ -140,7 +142,8 @@ int bmp_destroy(struct bmp * b) static ssize_t bad_id(struct bmp * b) { - assert(b); + if (b == NULL) + return -1; return b->offset - 1; } @@ -149,8 +152,8 @@ ssize_t bmp_allocate(struct bmp * b) { ssize_t id; - if (!b) - return bad_id(b); + if (b == NULL) + return -1; id = (ssize_t) find_next_zero_bit(b->bitmap, b->size); @@ -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)) |