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| author | Patrick Steinhardt <ps@pks.im> | 2024-10-02 12:56:19 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2024-10-02 07:53:55 -0700 |
| commit | 2d5dbb37b284e3ca78137ec0f8a3d9ceef78877c (patch) | |
| tree | debe5c06871bcf2648fd5de1d018d31d1df9ce67 /reftable/block.c | |
| parent | cd6a47167e068812735950b841c7174cd7cd321e (diff) | |
| download | git-2d5dbb37b284e3ca78137ec0f8a3d9ceef78877c.tar.gz | |
reftable/block: handle allocation failures
Handle allocation failures in `block_writer_init()` and
`block_reader_init()`. This requires us to bubble up error codes into
`writer_reinit_block_writer()`. Adapt call sites accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'reftable/block.c')
| -rw-r--r-- | reftable/block.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/reftable/block.c b/reftable/block.c index 00030eee06..bfa7dc61bf 100644 --- a/reftable/block.c +++ b/reftable/block.c @@ -52,6 +52,8 @@ static int block_writer_register_restart(struct block_writer *w, int n, return -1; if (is_restart) { REFTABLE_ALLOC_GROW(w->restarts, w->restart_len + 1, w->restart_cap); + if (!w->restarts) + return REFTABLE_OUT_OF_MEMORY_ERROR; w->restarts[w->restart_len++] = w->next; } @@ -63,8 +65,8 @@ static int block_writer_register_restart(struct block_writer *w, int n, return 0; } -void block_writer_init(struct block_writer *bw, uint8_t typ, uint8_t *buf, - uint32_t block_size, uint32_t header_off, int hash_size) +int block_writer_init(struct block_writer *bw, uint8_t typ, uint8_t *buf, + uint32_t block_size, uint32_t header_off, int hash_size) { bw->buf = buf; bw->hash_size = hash_size; @@ -78,8 +80,12 @@ void block_writer_init(struct block_writer *bw, uint8_t typ, uint8_t *buf, bw->last_key.len = 0; if (!bw->zstream) { REFTABLE_CALLOC_ARRAY(bw->zstream, 1); + if (!bw->zstream) + return REFTABLE_OUT_OF_MEMORY_ERROR; deflateInit(bw->zstream, 9); } + + return 0; } uint8_t block_writer_type(struct block_writer *bw) @@ -163,6 +169,10 @@ int block_writer_finish(struct block_writer *w) */ compressed_len = deflateBound(w->zstream, src_len); REFTABLE_ALLOC_GROW(w->compressed, compressed_len, w->compressed_cap); + if (!w->compressed) { + ret = REFTABLE_OUT_OF_MEMORY_ERROR; + return ret; + } w->zstream->next_out = w->compressed; w->zstream->avail_out = compressed_len; @@ -219,12 +229,21 @@ int block_reader_init(struct block_reader *br, struct reftable_block *block, /* Log blocks specify the *uncompressed* size in their header. */ REFTABLE_ALLOC_GROW(br->uncompressed_data, sz, br->uncompressed_cap); + if (!br->uncompressed_data) { + err = REFTABLE_OUT_OF_MEMORY_ERROR; + goto done; + } /* Copy over the block header verbatim. It's not compressed. */ memcpy(br->uncompressed_data, block->data, block_header_skip); if (!br->zstream) { REFTABLE_CALLOC_ARRAY(br->zstream, 1); + if (!br->zstream) { + err = REFTABLE_OUT_OF_MEMORY_ERROR; + goto done; + } + err = inflateInit(br->zstream); } else { err = inflateReset(br->zstream); |