diff options
| -rw-r--r-- | archival/libarchive/open_transformer.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/archival/libarchive/open_transformer.c b/archival/libarchive/open_transformer.c index 4e98264..1aeba13 100644 --- a/archival/libarchive/open_transformer.c +++ b/archival/libarchive/open_transformer.c @@ -182,27 +182,26 @@ int FAST_FUNC setup_unzip_on_fd(int fd, int fail_if_not_detected) int FAST_FUNC open_zipped(const char *fname) { - char *sfx; int fd; fd = open(fname, O_RDONLY); if (fd < 0) return fd; - sfx = strrchr(fname, '.'); - if (sfx) { - sfx++; - if (ENABLE_FEATURE_SEAMLESS_LZMA && strcmp(sfx, "lzma") == 0) - /* .lzma has no header/signature, just trust it */ + if (ENABLE_FEATURE_SEAMLESS_LZMA) { + /* .lzma has no header/signature, can only detect it by extension */ + char *sfx = strrchr(fname, '.'); + if (sfx && strcmp(sfx+1, "lzma") == 0) { open_transformer_with_sig(fd, unpack_lzma_stream, "unlzma"); - else - if ((ENABLE_FEATURE_SEAMLESS_GZ && strcmp(sfx, "gz") == 0) - || (ENABLE_FEATURE_SEAMLESS_BZ2 && strcmp(sfx, "bz2") == 0) - || (ENABLE_FEATURE_SEAMLESS_XZ && strcmp(sfx, "xz") == 0) - ) { - setup_unzip_on_fd(fd, /*fail_if_not_detected:*/ 1); + return fd; } } + if ((ENABLE_FEATURE_SEAMLESS_GZ) + || (ENABLE_FEATURE_SEAMLESS_BZ2) + || (ENABLE_FEATURE_SEAMLESS_XZ) + ) { + setup_unzip_on_fd(fd, /*fail_if_not_detected:*/ 1); + } return fd; } |