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tar: fix too eager autodetection, closes 11531

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function                                             old     new   delta
is_suffixed_with                                       -      54     +54
tar_main                                            1006    1026     +20
open_transformer                                      92      79     -13
config_file_action                                   478     458     -20
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(add/remove: 1/0 grow/shrink: 1/2 up/down: 74/-33)             Total: 41 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-11-27 11:26:48 +01:00
parent 2d217799e8
commit f4fc303e36
3 changed files with 11 additions and 5 deletions
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3
archival/libarchive/open_transformer.c
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@@ -278,8 +278,7 @@ static transformer_state_t *open_transformer(const char *fname, int fail_if_not_
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) {
if (is_suffixed_with(fname, ".lzma")) {
xstate = xzalloc(sizeof(*xstate));
xstate->src_fd = fd;
xstate->xformer = unpack_lzma_stream;