diff options
Diffstat (limited to 'debug/tst-chk1.c')
| -rw-r--r-- | debug/tst-chk1.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c index e01284ae53..37320c3514 100644 --- a/debug/tst-chk1.c +++ b/debug/tst-chk1.c @@ -18,6 +18,7 @@ 02111-1307 USA. */ #include <fcntl.h> +#include <paths.h> #include <setjmp.h> #include <signal.h> #include <stdio.h> @@ -108,8 +109,15 @@ do_test (void) sigaction (SIGABRT, &sa, NULL); /* Avoid all the buffer overflow messages on stderr. */ - close (STDERR_FILENO); - open ("/dev/null", O_WRONLY); + int fd = open (_PATH_DEVNULL, O_WRONLY); + if (fd == -1) + close (STDERR_FILENO); + else + { + dup2 (fd, STDERR_FILENO); + close (fd); + } + setenv ("LIBC_FATAL_STDERR_", "1", 1); struct A { char buf1[9]; char buf2[1]; } a; @@ -205,7 +213,7 @@ do_test (void) if (memcmp (a.buf1, "aabcdabcjj", 10)) FAIL (); -#if __USE_FORTIFY_LEVEL < 2 || !__GNUC_PREREQ (4, 0) +#if __USE_FORTIFY_LEVEL < 2 /* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2 and sufficient GCC support, as the string operations overflow from a.buf1 into a.buf2. */ @@ -304,7 +312,7 @@ do_test (void) memset (a.buf1 + 9, 'j', l0 + 2); CHK_FAIL_END -#if __USE_FORTIFY_LEVEL >= 2 && __GNUC_PREREQ (4, 0) +#if __USE_FORTIFY_LEVEL >= 2 # define O 0 #else # define O 1 |