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tar: fix a thinko in prev commit - we need to copy to _unused_ fd

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function                                             old     new   delta
vfork_compressor                                     257     246     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-08-04 21:06:02 +02:00
parent 037759bb4f
commit 2005d3ff36
1 changed files with 1 additions and 2 deletions
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3
archival/tar.c
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@ -632,8 +632,7 @@ static void NOINLINE vfork_compressor(int tar_fd, const char *gzip)
* Swapping move_fd's order wouldn't work: * Swapping move_fd's order wouldn't work:
* data.rd is 1 and _it_ would be destroyed. * data.rd is 1 and _it_ would be destroyed.
*/ */
xmove_fd(tfd, 3); tfd = dup(tfd);
tfd = 3;
} }
xmove_fd(data.rd, 0); xmove_fd(data.rd, 0);
xmove_fd(tfd, 1); xmove_fd(tfd, 1);