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-rw-r--r--string/test-memcmp.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/string/test-memcmp.c b/string/test-memcmp.c
index 6ddbc05d2f..fdf148102c 100644
--- a/string/test-memcmp.c
+++ b/string/test-memcmp.c
@@ -17,11 +17,14 @@
<https://www.gnu.org/licenses/>. */
#define TEST_MAIN
-#ifdef WIDE
+#ifdef TEST_MEMCMPEQ
+# define TEST_NAME "__memcmpeq"
+#elif defined WIDE
# define TEST_NAME "wmemcmp"
#else
# define TEST_NAME "memcmp"
#endif
+
#include "test-string.h"
#ifdef WIDE
# include <inttypes.h>
@@ -35,8 +38,9 @@
# define CHARBYTES 4
# define CHAR__MIN WCHAR_MIN
# define CHAR__MAX WCHAR_MAX
+
int
-simple_wmemcmp (const wchar_t *s1, const wchar_t *s2, size_t n)
+SIMPLE_MEMCMP (const wchar_t *s1, const wchar_t *s2, size_t n)
{
int ret = 0;
/* Warning!
@@ -48,10 +52,14 @@ simple_wmemcmp (const wchar_t *s1, const wchar_t *s2, size_t n)
}
#else
# include <limits.h>
-
-# define MEMCMP memcmp
+# ifdef TEST_MEMCMPEQ
+# define MEMCMP __memcmpeq
+# define SIMPLE_MEMCMP simple_memcmpeq
+# else
+# define MEMCMP memcmp
+# define SIMPLE_MEMCMP simple_memcmp
+# endif
# define MEMCPY memcpy
-# define SIMPLE_MEMCMP simple_memcmp
# define CHAR char
# define MAX_CHAR 255
# define UCHAR unsigned char
@@ -60,7 +68,7 @@ simple_wmemcmp (const wchar_t *s1, const wchar_t *s2, size_t n)
# define CHAR__MAX CHAR_MAX
int
-simple_memcmp (const char *s1, const char *s2, size_t n)
+SIMPLE_MEMCMP (const char *s1, const char *s2, size_t n)
{
int ret = 0;
@@ -69,6 +77,12 @@ simple_memcmp (const char *s1, const char *s2, size_t n)
}
#endif
+#ifndef BAD_RESULT
+# define BAD_RESULT(result, expec) \
+ (((result) == 0 && (expec)) || ((result) < 0 && (expec) >= 0) || \
+ ((result) > 0 && (expec) <= 0))
+# endif
+
typedef int (*proto_t) (const CHAR *, const CHAR *, size_t);
IMPL (SIMPLE_MEMCMP, 0)
@@ -79,9 +93,7 @@ check_result (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t len,
int exp_result)
{
int result = CALL (impl, s1, s2, len);
- if ((exp_result == 0 && result != 0)
- || (exp_result < 0 && result >= 0)
- || (exp_result > 0 && result <= 0))
+ if (BAD_RESULT(result, exp_result))
{
error (0, 0, "Wrong result in function %s %d %d", impl->name,
result, exp_result);
@@ -186,9 +198,7 @@ do_random_tests (void)
{
r = CALL (impl, (CHAR *) p1 + align1, (const CHAR *) p2 + align2,
len);
- if ((r == 0 && result)
- || (r < 0 && result >= 0)
- || (r > 0 && result <= 0))
+ if (BAD_RESULT(r, result))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd) %ld != %d, p1 %p p2 %p",
n, impl->name, align1 * CHARBYTES & 63, align2 * CHARBYTES & 63, len, pos, r, result, p1, p2);