[git commit] zcat: fix "zcat FILE" trying to do detection twice
Denys Vlasenko
vda.linux at googlemail.com
Thu Feb 28 17:37:04 UTC 2013
commit: http://git.busybox.net/busybox/commit/?id=41655438c6b61d05ddf3619f31abc1fa3583e2be
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
archival/bbunzip.c | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index 54dc2f5..d59c655 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -66,12 +66,17 @@ int FAST_FUNC bbunpack(char **argv,
if (open_to_or_warn(STDIN_FILENO, filename, O_RDONLY, 0))
goto err;
} else {
- /* "clever zcat" */
+ /* "clever zcat" with FILE */
int fd = open_zipped(filename);
if (fd < 0)
goto err_name;
xmove_fd(fd, STDIN_FILENO);
}
+ } else
+ if (option_mask32 & SEAMLESS_MAGIC) {
+ /* "clever zcat" on stdin */
+ if (setup_unzip_on_fd(STDIN_FILENO, /*fail_if_not_detected*/ 0))
+ goto err;
}
/* Special cases: test, stdout */
@@ -115,15 +120,9 @@ int FAST_FUNC bbunpack(char **argv,
if (status < 0)
exitcode = 1;
} else {
- /* "clever zcat" */
- if (!filename) {
- if (setup_unzip_on_fd(STDIN_FILENO, /*fail_if_not_detected*/ 0))
- goto err;
- }
- if (bb_copyfd_eof(STDIN_FILENO, STDOUT_FILENO) < 0) {
+ if (bb_copyfd_eof(STDIN_FILENO, STDOUT_FILENO) < 0)
/* Disk full, tty closed, etc. No point in continuing */
xfunc_die();
- }
}
if (!(option_mask32 & OPT_STDOUT))
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