diff options
Diffstat (limited to 'lib/comp/lz4.c')
| -rw-r--r-- | lib/comp/lz4.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/comp/lz4.c b/lib/comp/lz4.c index ffa84dc..abb6c5c 100644 --- a/lib/comp/lz4.c +++ b/lib/comp/lz4.c @@ -97,6 +97,19 @@ static ssize_t lz4_uncomp_block(compressor_t *base, const uint8_t *in, return ret; } +static compressor_t *lz4_create_copy(compressor_t *cmp) +{ + lz4_compressor_t *lz4 = malloc(sizeof(*lz4)); + + if (lz4 == NULL) { + perror("creating additional lz4 compressor"); + return NULL; + } + + memcpy(lz4, cmp, sizeof(*lz4)); + return (compressor_t *)lz4; +} + static void lz4_destroy(compressor_t *base) { free(base); @@ -131,6 +144,7 @@ compressor_t *create_lz4_compressor(bool compress, size_t block_size, base->do_block = compress ? lz4_comp_block : lz4_uncomp_block; base->write_options = lz4_write_options; base->read_options = lz4_read_options; + base->create_copy = lz4_create_copy; return base; } |