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20591: Stephane Chazelas: use of fchdir in zchdir leaked fd's

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Peter Stephenson 2004-11-29 12:09:13 +00:00
parent cebe5f1d10
commit d2c67e5e19
2 changed files with 10 additions and 3 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2004-11-29 Peter Stephenson <pws@csr.com>
* 20591: Stephane Chazelas <Stephane_Chazelas@yahoo.fr>:
use of fchdir to change directory leaked filed descriptors.
* 20592: Src/math.c: $((##)) caused mayhem by passing null
string to getkeystring(). Report error instead.

10
Src/compat.c
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@ -387,10 +387,14 @@ zchdir(char *dir)
int currdir = -2;
for (;;) {
if (!*dir)
return 0;
if (!chdir(dir))
if (!*dir || !chdir(dir))
{
#ifdef HAVE_FCHDIR
if (currdir >= 0)
close(currdir);
#endif
return 0;
}
if ((errno != ENAMETOOLONG && errno != ENOMEM) ||
strlen(dir) < PATH_MAX)
break;