diff options
Diffstat (limited to 'lib/common/comp_lzo.c')
| -rw-r--r-- | lib/common/comp_lzo.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/common/comp_lzo.c b/lib/common/comp_lzo.c index 24f4009..0956e0e 100644 --- a/lib/common/comp_lzo.c +++ b/lib/common/comp_lzo.c @@ -217,25 +217,26 @@ static void lzo_destroy(sqfs_object_t *base) free(base); } -sqfs_compressor_t *lzo_compressor_create(const sqfs_compressor_config_t *cfg) +int lzo_compressor_create(const sqfs_compressor_config_t *cfg, + sqfs_compressor_t **out) { sqfs_compressor_t *base; lzo_compressor_t *lzo; size_t scratch_size; if (cfg->flags & ~SQFS_COMP_FLAG_GENERIC_ALL) - return NULL; + return SQFS_ERROR_UNSUPPORTED; if (cfg->opt.lzo.algorithm >= LZO_NUM_ALGS || lzo_algs[cfg->opt.lzo.algorithm].compress == NULL) { - return NULL; + return SQFS_ERROR_UNSUPPORTED; } if (cfg->opt.lzo.algorithm == SQFS_LZO1X_999) { if (cfg->opt.lzo.level > SQFS_LZO_MAX_LEVEL) - return NULL; + return SQFS_ERROR_UNSUPPORTED; } else if (cfg->opt.lzo.level != 0) { - return NULL; + return SQFS_ERROR_UNSUPPORTED; } /* XXX: liblzo does not do bounds checking internally, @@ -257,7 +258,7 @@ sqfs_compressor_t *lzo_compressor_create(const sqfs_compressor_config_t *cfg) base = (sqfs_compressor_t *)lzo; if (lzo == NULL) - return NULL; + return SQFS_ERROR_ALLOC; lzo->block_size = cfg->block_size; lzo->algorithm = cfg->opt.lzo.algorithm; @@ -272,5 +273,7 @@ sqfs_compressor_t *lzo_compressor_create(const sqfs_compressor_config_t *cfg) base->read_options = lzo_read_options; ((sqfs_object_t *)base)->copy = lzo_create_copy; ((sqfs_object_t *)base)->destroy = lzo_destroy; - return base; + + *out = base; + return 0; } |