diff options
Diffstat (limited to 'archival/libarchive/open_transformer.c')
| -rw-r--r-- | archival/libarchive/open_transformer.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/archival/libarchive/open_transformer.c b/archival/libarchive/open_transformer.c index ac7e5db95..290dd130f 100644 --- a/archival/libarchive/open_transformer.c +++ b/archival/libarchive/open_transformer.c @@ -225,18 +225,8 @@ static transformer_state_t *setup_transformer_on_fd(int fd, int fail_if_not_comp return xstate; } -/* Used by e.g. rpm which gives us a fd without filename, - * thus we can't guess the format from filename's extension. - */ -int FAST_FUNC setup_unzip_on_fd(int fd, int fail_if_not_compressed) +static void fork_transformer_and_free(transformer_state_t *xstate) { - transformer_state_t *xstate = setup_transformer_on_fd(fd, fail_if_not_compressed); - - if (!xstate || !xstate->xformer) { - free(xstate); - return 1; - } - # if BB_MMU fork_transformer_with_no_sig(xstate->src_fd, xstate->xformer); # else @@ -249,8 +239,34 @@ int FAST_FUNC setup_unzip_on_fd(int fd, int fail_if_not_compressed) fork_transformer_with_sig(xstate->src_fd, xstate->xformer, xstate->xformer_prog); # endif free(xstate); +} + +/* Used by e.g. rpm which gives us a fd without filename, + * thus we can't guess the format from filename's extension. + */ +int FAST_FUNC setup_unzip_on_fd(int fd, int fail_if_not_compressed) +{ + transformer_state_t *xstate = setup_transformer_on_fd(fd, fail_if_not_compressed); + + if (!xstate->xformer) { + free(xstate); + return 1; + } + + fork_transformer_and_free(xstate); return 0; } +#if ENABLE_FEATURE_SEAMLESS_LZMA +/* ...and custom version for LZMA */ +void FAST_FUNC setup_lzma_on_fd(int fd) +{ + transformer_state_t *xstate = xzalloc(sizeof(*xstate)); + xstate->src_fd = fd; + xstate->xformer = unpack_lzma_stream; + USE_FOR_NOMMU(xstate->xformer_prog = "unlzma";) + fork_transformer_and_free(xstate); +} +#endif static transformer_state_t *open_transformer(const char *fname, int fail_if_not_compressed) { |