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Save errno in handle_alias()

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git.c:main() relies on the value of errno being set by the last attempt to
execute the command. However, if something goes awry in handle_alias(),
that assumption is wrong. So restore errno before returning from
handle_alias().

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin 2006-06-28 12:45:27 +02:00 committed by Junio C Hamano
parent f0ef05967f
commit 47e5c0ca2c
1 changed files with 3 additions and 1 deletions
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4
git.c
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@ -100,7 +100,7 @@ static int split_cmdline(char *cmdline, const char ***argv)
static int handle_alias(int *argcp, const char ***argv)
{
int nongit = 0, ret = 0;
int nongit = 0, ret = 0, saved_errno = errno;
const char *subdir;
subdir = setup_git_directory_gently(&nongit);
@ -138,6 +138,8 @@ static int handle_alias(int *argcp, const char ***argv)
if (subdir)
chdir(subdir);
errno = saved_errno;
return ret;
}