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tst-freopen4-main.c: Call support_capture_subprocess with chroot 

Update tst-freopen4-main.c to call support_capture_subprocess with chroot,
which makes temporary files inaccessible, so that temporary files can be
deleted.

This partially fixes BZ #33182.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
H.J. Lu 2025-07-19 07:43:28 -07:00
parent e7db515060
commit 6463d4a7b2
1 changed files with 30 additions and 14 deletions
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44
stdio-common/tst-freopen4-main.c
View File

@ -28,25 +28,15 @@
#include <support/test-driver.h>
#include <support/xstdio.h>
#include <support/xunistd.h>
#include <support/capture_subprocess.h>
int
do_test (void)
static void
do_test_chroot (void *data)
{
mtrace ();
char *temp_dir;
char *temp_dir = (char *) data;
FILE *fp;
int ret;
/* These chroot tests verify that either reopening a renamed or
deleted file works even in the absence of /proc, or that it fails
(without memory leaks); thus, for example, such reopening does
not crash in the absence of /proc. */
support_become_root ();
if (!support_can_chroot ())
return EXIT_UNSUPPORTED;
temp_dir = support_create_temp_directory ("tst-freopen4");
xchroot (temp_dir);
/* Test freopen with NULL, renamed file. This verifies that
@ -96,6 +86,32 @@ do_test (void)
puts ("freopen of deleted file failed (OK)");
free (temp_dir);
}
int
do_test (void)
{
mtrace ();
char *temp_dir;
/* These chroot tests verify that either reopening a renamed or
deleted file works even in the absence of /proc, or that it fails
(without memory leaks); thus, for example, such reopening does
not crash in the absence of /proc. */
support_become_root ();
if (!support_can_chroot ())
return EXIT_UNSUPPORTED;
temp_dir = support_create_temp_directory ("tst-freopen4");
struct support_capture_subprocess result;
result = support_capture_subprocess (do_test_chroot, temp_dir);
support_capture_subprocess_check (&result, "freopen4", 0,
sc_allow_stdout);
fputs (result.out.buffer, stdout);
support_capture_subprocess_free (&result);
return 0;
}