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-rw-r--r--string/test-strncpy.c131
1 files changed, 85 insertions, 46 deletions
diff --git a/string/test-strncpy.c b/string/test-strncpy.c
index d1c312a..f10a3ab 100644
--- a/string/test-strncpy.c
+++ b/string/test-strncpy.c
@@ -1,4 +1,4 @@
-/* Test and measure strncpy functions.
+/* Test strncpy functions.
Copyright (C) 1999-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
@@ -17,23 +17,56 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifdef WIDE
+# include <wchar.h>
+# define CHAR wchar_t
+# define UCHAR wchar_t
+# define BIG_CHAR WCHAR_MAX
+# define SMALL_CHAR 1273
+# define MEMCMP wmemcmp
+# define MEMSET wmemset
+# define STRNLEN wcsnlen
+#else
+# define CHAR char
+# define UCHAR unsigned char
+# define BIG_CHAR CHAR_MAX
+# define SMALL_CHAR 127
+# define MEMCMP memcmp
+# define MEMSET memset
+# define STRNLEN strnlen
+#endif /* !WIDE */
+
+
#ifndef STRNCPY_RESULT
# define STRNCPY_RESULT(dst, len, n) dst
# define TEST_MAIN
-# define TEST_NAME "strncpy"
+# ifndef WIDE
+# define TEST_NAME "strncpy"
+# else
+# define TEST_NAME "wcsncpy"
+# endif /* WIDE */
# include "test-string.h"
+# ifndef WIDE
+# define SIMPLE_STRNCPY simple_strncpy
+# define STUPID_STRNCPY stupid_strncpy
+# define STRNCPY strncpy
+# else
+# define SIMPLE_STRNCPY simple_wcsncpy
+# define STUPID_STRNCPY stupid_wcsncpy
+# define STRNCPY wcsncpy
+# endif /* WIDE */
-char *simple_strncpy (char *, const char *, size_t);
-char *stupid_strncpy (char *, const char *, size_t);
+CHAR *SIMPLE_STRNCPY (CHAR *, const CHAR *, size_t);
+CHAR *STUPID_STRNCPY (CHAR *, const CHAR *, size_t);
-IMPL (stupid_strncpy, 0)
-IMPL (simple_strncpy, 0)
-IMPL (strncpy, 1)
+IMPL (STUPID_STRNCPY, 0)
+IMPL (SIMPLE_STRNCPY, 0)
+IMPL (STRNCPY, 1)
-char *
-simple_strncpy (char *dst, const char *src, size_t n)
+CHAR *
+SIMPLE_STRNCPY (CHAR *dst, const CHAR *src, size_t n)
{
- char *ret = dst;
+ CHAR *ret = dst;
while (n--)
if ((*dst++ = *src++) == '\0')
{
@@ -44,10 +77,10 @@ simple_strncpy (char *dst, const char *src, size_t n)
return ret;
}
-char *
-stupid_strncpy (char *dst, const char *src, size_t n)
+CHAR *
+STUPID_STRNCPY (CHAR *dst, const CHAR *src, size_t n)
{
- size_t nc = strnlen (src, n);
+ size_t nc = STRNLEN (src, n);
size_t i;
for (i = 0; i < nc; ++i)
@@ -56,12 +89,12 @@ stupid_strncpy (char *dst, const char *src, size_t n)
dst[i] = '\0';
return dst;
}
-#endif
+#endif /* !STRNCPY_RESULT */
-typedef char *(*proto_t) (char *, const char *, size_t);
+typedef CHAR *(*proto_t) (CHAR *, const CHAR *, size_t);
static void
-do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n)
+do_one_test (impl_t *impl, CHAR *dst, const CHAR *src, size_t len, size_t n)
{
if (CALL (impl, dst, src, n) != STRNCPY_RESULT (dst, len, n))
{
@@ -71,7 +104,7 @@ do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n)
return;
}
- if (memcmp (dst, src, len > n ? n : len) != 0)
+ if (memcmp (dst, src, (len > n ? n : len) * sizeof (CHAR)) != 0)
{
error (0, 0, "Wrong result in function %s", impl->name);
ret = 1;
@@ -96,23 +129,26 @@ static void
do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char)
{
size_t i;
- char *s1, *s2;
+ CHAR *s1, *s2;
+/* For wcsncpy: align1 and align2 here mean alignment not in bytes,
+ but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t)). */
align1 &= 7;
- if (align1 + len >= page_size)
+ if ((align1 + len) * sizeof (CHAR) >= page_size)
return;
align2 &= 7;
- if (align2 + len >= page_size)
+ if ((align2 + len) * sizeof (CHAR) >= page_size)
return;
- s1 = (char *) (buf1 + align1);
- s2 = (char *) (buf2 + align2);
+ s1 = (CHAR *) (buf1) + align1;
+ s2 = (CHAR *) (buf2) + align2;
for (i = 0; i < len; ++i)
s1[i] = 32 + 23 * i % (max_char - 32);
s1[len] = 0;
- for (i = len + 1; i + align1 < page_size && i < len + 64; ++i)
+ for (i = len + 1; (i + align1) * sizeof (CHAR) < page_size && i < len + 64;
+ ++i)
s1[i] = 32 + 32 * i % (max_char - 32);
FOR_EACH_IMPL (impl, 0)
@@ -123,12 +159,16 @@ static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, len, size, mode;
- unsigned char *p1 = buf1 + page_size - 512;
- unsigned char *p2 = buf2 + page_size - 512;
- unsigned char *res;
+ UCHAR *p1 = (UCHAR *) (buf1 + page_size) - 512;
+ UCHAR *p2 = (UCHAR *) (buf2 + page_size) - 512;
+ UCHAR *res;
for (n = 0; n < ITERATIONS; n++)
{
+ /* For wcsncpy: align1 and align2 here mean align not in bytes,
+ but in wchar_ts, in bytes it will equal to align * (sizeof
+ (wchar_t)). */
+
mode = random ();
if (mode & 1)
{
@@ -166,7 +206,7 @@ do_random_tests (void)
{
size = random () & 511;
if (size + j > 512)
- size = 512 - j - (random() & 31);
+ size = 512 - j - (random () & 31);
}
else
size = 512 - j;
@@ -182,18 +222,17 @@ do_random_tests (void)
p1[i] = 0;
else
{
- p1[i] = random () & 255;
+ p1[i] = random () & BIG_CHAR;
if (i >= align1 && i < len + align1 && !p1[i])
- p1[i] = (random () & 127) + 3;
+ p1[i] = (random () & SMALL_CHAR) + 3;
}
}
FOR_EACH_IMPL (impl, 1)
{
- memset (p2 - 64, '\1', 512 + 64);
- res = (unsigned char *) CALL (impl,
- (char *) (p2 + align2),
- (char *) (p1 + align1), size);
+ MEMSET (p2 - 64, '\1', 512 + 64);
+ res = (UCHAR *) CALL (impl, (CHAR *) (p2 + align2),
+ (CHAR *) (p1 + align1), size);
if (res != STRNCPY_RESULT (p2 + align2, len, size))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
@@ -235,7 +274,7 @@ do_random_tests (void)
j = len + 1;
if (size < j)
j = size;
- if (memcmp (p1 + align1, p2 + align2, j))
+ if (MEMCMP (p1 + align1, p2 + align2, j))
{
error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
@@ -259,22 +298,22 @@ test_main (void)
for (i = 1; i < 8; ++i)
{
- do_test (i, i, 16, 16, 127);
- do_test (i, i, 16, 16, 255);
- do_test (i, 2 * i, 16, 16, 127);
- do_test (2 * i, i, 16, 16, 255);
- do_test (8 - i, 2 * i, 1 << i, 2 << i, 127);
- do_test (2 * i, 8 - i, 2 << i, 1 << i, 127);
- do_test (8 - i, 2 * i, 1 << i, 2 << i, 255);
- do_test (2 * i, 8 - i, 2 << i, 1 << i, 255);
+ do_test (i, i, 16, 16, SMALL_CHAR);
+ do_test (i, i, 16, 16, BIG_CHAR);
+ do_test (i, 2 * i, 16, 16, SMALL_CHAR);
+ do_test (2 * i, i, 16, 16, BIG_CHAR);
+ do_test (8 - i, 2 * i, 1 << i, 2 << i, SMALL_CHAR);
+ do_test (2 * i, 8 - i, 2 << i, 1 << i, SMALL_CHAR);
+ do_test (8 - i, 2 * i, 1 << i, 2 << i, BIG_CHAR);
+ do_test (2 * i, 8 - i, 2 << i, 1 << i, BIG_CHAR);
}
for (i = 1; i < 8; ++i)
{
- do_test (0, 0, 4 << i, 8 << i, 127);
- do_test (0, 0, 16 << i, 8 << i, 127);
- do_test (8 - i, 2 * i, 4 << i, 8 << i, 127);
- do_test (8 - i, 2 * i, 16 << i, 8 << i, 127);
+ do_test (0, 0, 4 << i, 8 << i, SMALL_CHAR);
+ do_test (0, 0, 16 << i, 8 << i, SMALL_CHAR);
+ do_test (8 - i, 2 * i, 4 << i, 8 << i, SMALL_CHAR);
+ do_test (8 - i, 2 * i, 16 << i, 8 << i, SMALL_CHAR);
}
do_random_tests ();
generated by cgit v1.1 at 2024-11-22 02:52:28 +0000