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• bring back automatic turn-on of FPOSIX if called as sh/-sh

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‣ only if !MKSH_SMALL
  ‣ add appropriate regression test
• if FPOSIX is set, do not close fds > 2 on exec, Debian #499139
• add appropriate regression tests for keeping fds private or not
This commit is contained in:
tg
2008-09-17 19:31:30 +00:00
parent a04ad530a2
commit 8a853f24be
5 changed files with 78 additions and 12 deletions
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6
funcs.c
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@ -5,7 +5,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.86 2008/08/02 17:45:11 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.87 2008/09/17 19:31:29 tg Exp $");
/* A leading = means assignments before command are kept;
* a leading * means a POSIX special builtin;
@ -2308,8 +2308,8 @@ c_exec(const char **wp __unused)
for (i = 0; i < NUFILE; i++) {
if (e->savefd[i] > 0)
close(e->savefd[i]);
/* For ksh keep anything > 2 private */
if (i > 2 && e->savefd[i])
/* For ksh (but not sh), keep anything > 2 private */
if (!Flag(FPOSIX) && i > 2 && e->savefd[i])
fcntl(i, F_SETFD, FD_CLOEXEC);
}
e->savefd = NULL;