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stdlib: Test using setenv with updated environ [BZ #32588]

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Add a test for setenv with updated environ.  Verify that BZ #32588 is
fixed.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Florian Weimer <fweimer@redhat.com>
(cherry picked from commit 8ab34497de)
This commit is contained in:
H.J. Lu 2025-01-24 18:53:13 +08:00
parent 8b5d4be762
commit 549d831579
2 changed files with 37 additions and 0 deletions
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1
stdlib/Makefile
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@ -121,6 +121,7 @@ tests := \
tst-setcontext7 \
tst-setcontext8 \
tst-setcontext9 \
tst-setenv-environ \
tst-strfmon_l \
tst-strfrom \
tst-strfrom-locale \

36
stdlib/tst-setenv-environ.c Normal file
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@ -0,0 +1,36 @@
/* Test using setenv with updated environ.
Copyright (C) 2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <support/check.h>
extern char **environ;
int
do_test (void)
{
char *valp;
static char *dummy_environ[] = { NULL };
environ = dummy_environ;
setenv ("A", "1", 0);
valp = getenv ("A");
TEST_VERIFY_EXIT (valp[0] == '1' && valp[1] == '\0');
return 0;
}
#include <support/test-driver.c>