diff options
Diffstat (limited to 'reftable')
| -rw-r--r-- | reftable/blocksource.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/reftable/blocksource.c b/reftable/blocksource.c index e93cac9bb6..a2a6a196d5 100644 --- a/reftable/blocksource.c +++ b/reftable/blocksource.c @@ -30,6 +30,8 @@ static int strbuf_read_block(void *v, struct reftable_block *dest, uint64_t off, struct strbuf *b = v; assert(off + size <= b->len); REFTABLE_CALLOC_ARRAY(dest->data, size); + if (!dest->data) + return -1; memcpy(dest->data, b->buf + off, size); dest->len = size; return size; @@ -98,27 +100,40 @@ int reftable_block_source_from_file(struct reftable_block_source *bs, { struct file_block_source *p; struct stat st; - int fd; + int fd, err; fd = open(name, O_RDONLY); if (fd < 0) { if (errno == ENOENT) return REFTABLE_NOT_EXIST_ERROR; - return -1; + err = -1; + goto out; } if (fstat(fd, &st) < 0) { - close(fd); - return REFTABLE_IO_ERROR; + err = REFTABLE_IO_ERROR; + goto out; } REFTABLE_CALLOC_ARRAY(p, 1); + if (!p) { + err = REFTABLE_OUT_OF_MEMORY_ERROR; + goto out; + } + p->size = st.st_size; p->data = xmmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); - close(fd); assert(!bs->ops); bs->ops = &file_vtable; bs->arg = p; + + err = 0; + +out: + if (fd >= 0) + close(fd); + if (err < 0) + reftable_free(p); return 0; } |