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-rw-r--r--debug/tst-chk1.c168
1 files changed, 80 insertions, 88 deletions
diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c
index 8940e880e6..a47d1466ec 100644
--- a/debug/tst-chk1.c
+++ b/debug/tst-chk1.c
@@ -20,6 +20,7 @@
/* Hack: make sure GCC doesn't know __chk_fail () will not return. */
#define __noreturn__
+#include <assert.h>
#include <fcntl.h>
#include <locale.h>
#include <paths.h>
@@ -1033,23 +1034,27 @@ do_test (void)
#if PATH_MAX > 0
char largebuf[PATH_MAX];
char *realres = realpath (".", largebuf);
-#endif
-#if __USE_FORTIFY_LEVEL >= 1
+ if (realres != largebuf)
+ FAIL ();
+
+# if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char realbuf[1];
realres = realpath (".", realbuf);
+ if (realres != realbuf)
+ FAIL ();
CHK_FAIL_END
+# endif
#endif
if (setlocale (LC_ALL, "de_DE.UTF-8") != NULL)
{
+ assert (MB_CUR_MAX <= 10);
+
/* First a simple test. */
- char enough[MB_CUR_MAX];
+ char enough[10];
if (wctomb (enough, L'A') != 1)
- {
- puts ("first wctomb test failed");
- ret = 1;
- }
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
/* We know the wchar_t encoding is ISO 10646. So pick a
@@ -1058,20 +1063,14 @@ do_test (void)
CHK_FAIL_START
char smallbuf[2];
if (wctomb (smallbuf, L'\x100') != 2)
- {
- puts ("second wctomb test failed");
- ret = 1;
- }
+ FAIL ();
CHK_FAIL_END
#endif
mbstate_t s;
memset (&s, '\0', sizeof (s));
- if (wcrtomb (enough, L'A', &s) != 1)
- {
- puts ("first wcrtomb test failed");
- ret = 1;
- }
+ if (wcrtomb (enough, L'D', &s) != 1 || enough[0] != 'D')
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
/* We know the wchar_t encoding is ISO 10646. So pick a
@@ -1080,26 +1079,23 @@ do_test (void)
CHK_FAIL_START
char smallbuf[2];
if (wcrtomb (smallbuf, L'\x100', &s) != 2)
- {
- puts ("second wcrtomb test failed");
- ret = 1;
- }
+ FAIL ();
CHK_FAIL_END
#endif
wchar_t wenough[10];
memset (&s, '\0', sizeof (s));
const char *cp = "A";
- if (mbsrtowcs (wenough, &cp, 10, &s) != 1)
- {
- puts ("first mbsrtowcs test failed");
- ret = 1;
- }
+ if (mbsrtowcs (wenough, &cp, 10, &s) != 1
+ || wcscmp (wenough, L"A") != 0)
+ FAIL ();
+
+ cp = "BC";
+ if (mbsrtowcs (wenough, &cp, l0 + 10, &s) != 2
+ || wcscmp (wenough, L"BC") != 0)
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
- /* We know the wchar_t encoding is ISO 10646. So pick a
- character which has a multibyte representation which does not
- fit. */
CHK_FAIL_START
wchar_t wsmallbuf[2];
cp = "ABC";
@@ -1108,16 +1104,16 @@ do_test (void)
#endif
cp = "A";
- if (mbstowcs (wenough, cp, 10) != 1)
- {
- puts ("first mbstowcs test failed");
- ret = 1;
- }
+ if (mbstowcs (wenough, cp, 10) != 1
+ || wcscmp (wenough, L"A") != 0)
+ FAIL ();
+
+ cp = "DEF";
+ if (mbstowcs (wenough, cp, l0 + 10) != 3
+ || wcscmp (wenough, L"DEF") != 0)
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
- /* We know the wchar_t encoding is ISO 10646. So pick a
- character which has a multibyte representation which does not
- fit. */
CHK_FAIL_START
wchar_t wsmallbuf[2];
cp = "ABC";
@@ -1126,17 +1122,18 @@ do_test (void)
#endif
memset (&s, '\0', sizeof (s));
- cp = "A";
- if (mbsnrtowcs (wenough, &cp, 1, 10, &s) != 1)
- {
- puts ("first mbsnrtowcs test failed");
- ret = 1;
- }
+ cp = "ABC";
+ wcscpy (wenough, L"DEF");
+ if (mbsnrtowcs (wenough, &cp, 1, 10, &s) != 1
+ || wcscmp (wenough, L"AEF") != 0)
+ FAIL ();
+
+ cp = "IJ";
+ if (mbsnrtowcs (wenough, &cp, 1, l0 + 10, &s) != 1
+ || wcscmp (wenough, L"IEF") != 0)
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
- /* We know the wchar_t encoding is ISO 10646. So pick a
- character which has a multibyte representation which does not
- fit. */
CHK_FAIL_START
wchar_t wsmallbuf[2];
cp = "ABC";
@@ -1146,16 +1143,16 @@ do_test (void)
memset (&s, '\0', sizeof (s));
const wchar_t *wcp = L"A";
- if (wcsrtombs (enough, &wcp, 10, &s) != 1)
- {
- puts ("first wcsrtombs test failed");
- ret = 1;
- }
+ if (wcsrtombs (enough, &wcp, 10, &s) != 1
+ || strcmp (enough, "A") != 0)
+ FAIL ();
+
+ wcp = L"BC";
+ if (wcsrtombs (enough, &wcp, l0 + 10, &s) != 2
+ || strcmp (enough, "BC") != 0)
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
- /* We know the wchar_t encoding is ISO 10646. So pick a
- character which has a multibyte representation which does not
- fit. */
CHK_FAIL_START
char smallbuf[2];
wcp = L"ABC";
@@ -1163,17 +1160,18 @@ do_test (void)
CHK_FAIL_END
#endif
- wcp = L"A";
- if (wcstombs (enough, wcp, 10) != 1)
- {
- puts ("first wcstombs test failed");
- ret = 1;
- }
+ memset (enough, 'Z', sizeof (enough));
+ wcp = L"EF";
+ if (wcstombs (enough, wcp, 10) != 2
+ || strcmp (enough, "EF") != 0)
+ FAIL ();
+
+ wcp = L"G";
+ if (wcstombs (enough, wcp, l0 + 10) != 1
+ || strcmp (enough, "G") != 0)
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
- /* We know the wchar_t encoding is ISO 10646. So pick a
- character which has a multibyte representation which does not
- fit. */
CHK_FAIL_START
char smallbuf[2];
wcp = L"ABC";
@@ -1182,17 +1180,17 @@ do_test (void)
#endif
memset (&s, '\0', sizeof (s));
- wcp = L"A";
- if (wcsnrtombs (enough, &wcp, 1, 10, &s) != 1)
- {
- puts ("first wcsnrtombs test failed");
- ret = 1;
- }
+ wcp = L"AB";
+ if (wcsnrtombs (enough, &wcp, 1, 10, &s) != 1
+ || strcmp (enough, "A") != 0)
+ FAIL ();
+
+ wcp = L"BCD";
+ if (wcsnrtombs (enough, &wcp, 1, l0 + 10, &s) != 1
+ || strcmp (enough, "B") != 0)
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
- /* We know the wchar_t encoding is ISO 10646. So pick a
- character which has a multibyte representation which does not
- fit. */
CHK_FAIL_START
char smallbuf[2];
wcp = L"ABC";
@@ -1211,38 +1209,36 @@ do_test (void)
{
char enough[1000];
if (ptsname_r (fd, enough, sizeof (enough)) != 0)
- {
- puts ("first ptsname_r failed");
- ret = 1;
- }
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
if (ptsname_r (fd, smallbuf, sizeof (smallbuf) + 1) == 0)
- {
- puts ("second ptsname_r somehow suceeded");
- ret = 1;
- }
+ FAIL ();
CHK_FAIL_END
#endif
close (fd);
}
+#if PATH_MAX > 0
confstr (_CS_GNU_LIBC_VERSION, largebuf, sizeof (largebuf));
-#if __USE_FORTIFY_LEVEL >= 1
+# if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
confstr (_CS_GNU_LIBC_VERSION, smallbuf, sizeof (largebuf));
CHK_FAIL_END
+# endif
#endif
gid_t grpslarge[5];
int ngr = getgroups (5, grpslarge);
+ asm volatile ("" : : "r" (ngr));
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
ngr = getgroups (5, (gid_t *) smallbuf);
+ asm volatile ("" : : "r" (ngr));
CHK_FAIL_END
#endif
@@ -1251,19 +1247,13 @@ do_test (void)
{
char enough[1000];
if (ttyname_r (fd, enough, sizeof (enough)) != 0)
- {
- puts ("first ttyname_r failed");
- ret = 1;
- }
+ FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
if (ttyname_r (fd, smallbuf, sizeof (smallbuf) + 1) == 0)
- {
- puts ("second ttyname_r somehow suceeded");
- ret = 1;
- }
+ FAIL ();
CHK_FAIL_END
#endif
close (fd);
@@ -1289,10 +1279,12 @@ do_test (void)
char domainnamelarge[1000];
int res = getdomainname (domainnamelarge, sizeof (domainnamelarge));
+ asm volatile ("" : : "r" (res));
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
res = getdomainname (smallbuf, sizeof (domainnamelarge));
+ asm volatile ("" : : "r" (res));
CHK_FAIL_END
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-16 07:19:48 +0000