@@ -17,21 +17,56 @@
<https://www.gnu.org/licenses/>. */
#define TEST_MAIN
-#define TEST_NAME "strstr"
-#include "test-string.h"
+#ifndef WIDE
+# define TEST_NAME "strstr"
+# define TEST_FUNC strstr
+#else
+# define TEST_NAME "wcsstr"
+# define TEST_FUNC wcsstr
+#endif
+
+#ifndef WIDE
+# define CHAR char
+# define STRLEN strlen
+# define STRCPY strcpy
+# define MEMCPY memcpy
+# define MEMSET memset
+# define MEMPCPY mempcpy
+# define L(s) s
+#else
+# include <wchar.h>
+# define CHAR wchar_t
+# define STRLEN wcslen
+# define STRCPY wcscpy
+# define MEMCPY wmemcpy
+# define MEMSET wmemset
+# define MEMPCPY wmempcpy
+# define L(s) L ## s
+/* The test requires up to 8191 charateres, so allocate at least 32Kb
+ (considering 4kb page size). */
+# define BUF1PAGES 4
+#endif
+#include "test-string.h"
-#define STRSTR c_strstr
-#define libc_hidden_builtin_def(arg) /* nothing */
-#define __strnlen strnlen
-#include "strstr.c"
+#ifndef WIDE
+# define STRSTR c_strstr
+# define libc_hidden_builtin_def(arg) /* nothing */
+# define __strnlen strnlen
+# include "strstr.c"
+# define C_IMPL STRSTR
+#else
+# define WCSSTR c_wcsstr
+# include "wcsstr.c"
+# define C_IMPL WCSSTR
+#endif
/* Naive implementation to verify results. */
-static char *
-simple_strstr (const char *s1, const char *s2)
+static CHAR *
+simple_strstr (const CHAR *s1, const CHAR *s2)
{
- ssize_t s1len = strlen (s1);
- ssize_t s2len = strlen (s2);
+ ssize_t s1len = STRLEN (s1);
+ ssize_t s2len = STRLEN (s2);
if (s2len > s1len)
return NULL;
@@ -43,29 +78,27 @@ simple_strstr (const char *s1, const char *s2)
if (s1[i + j] != s2[j])
break;
if (j == s2len)
- return (char *) s1 + i;
+ return (CHAR *) s1 + i;
}
return NULL;
}
-typedef char *(*proto_t) (const char *, const char *);
-
-IMPL (c_strstr, 0)
-IMPL (strstr, 1)
+typedef CHAR *(*proto_t) (const CHAR *, const CHAR *);
+IMPL (C_IMPL, 1)
+IMPL (TEST_FUNC, 1)
static int
-check_result (impl_t *impl, const char *s1, const char *s2,
- char *exp_result)
+check_result (impl_t *impl, const CHAR *s1, const CHAR *s2,
+ CHAR *exp_result)
{
- char *result = CALL (impl, s1, s2);
+ CHAR *result = CALL (impl, s1, s2);
if (result != exp_result)
{
- error (0, 0, "Wrong result in function %s %s %s", impl->name,
- (result == NULL) ? "(null)" : result,
- (exp_result == NULL) ? "(null)" : exp_result);
+ error (0, 0, "Wrong result in function %s %p %p", impl->name,
+ result, exp_result);
ret = 1;
return -1;
}
@@ -74,7 +107,7 @@ check_result (impl_t *impl, const char *s1, const char *s2,
}
static void
-do_one_test (impl_t *impl, const char *s1, const char *s2, char *exp_result)
+do_one_test (impl_t *impl, const CHAR *s1, const CHAR *s2, CHAR *exp_result)
{
if (check_result (impl, s1, s2, exp_result) < 0)
return;
@@ -85,49 +118,51 @@ static void
do_test (size_t align1, size_t align2, size_t len1, size_t len2,
int fail)
{
- char *s1 = (char *) (buf1 + align1);
- char *s2 = (char *) (buf2 + align2);
+ align1 = align1 * sizeof (CHAR);
+ align2 = align2 * sizeof (CHAR);
- static const char d[] = "1234567890abcdef";
-#define dl (sizeof (d) - 1)
- char *ss2 = s2;
+ CHAR *s1 = (CHAR *) (buf1 + align1);
+ CHAR *s2 = (CHAR *) (buf2 + align2);
+
+ static const CHAR d[] = L("1234567890abcdef");
+ const size_t dl = STRLEN (d);
+ CHAR *ss2 = s2;
for (size_t l = len2; l > 0; l = l > dl ? l - dl : 0)
{
size_t t = l > dl ? dl : l;
- ss2 = mempcpy (ss2, d, t);
+ ss2 = MEMPCPY (ss2, d, t);
}
s2[len2] = '\0';
if (fail)
{
- char *ss1 = s1;
+ CHAR *ss1 = s1;
for (size_t l = len1; l > 0; l = l > dl ? l - dl : 0)
{
size_t t = l > dl ? dl : l;
- memcpy (ss1, d, t);
+ MEMCPY (ss1, d, t);
++ss1[len2 > 7 ? 7 : len2 - 1];
ss1 += t;
}
}
else
{
- memset (s1, '0', len1);
- memcpy (s1 + len1 - len2, s2, len2);
+ MEMSET (s1, '0', len1);
+ MEMCPY (s1 + len1 - len2, s2, len2);
}
s1[len1] = '\0';
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, fail ? NULL : s1 + len1 - len2);
-
}
static void
check1 (void)
{
- const char s1[] =
- "F_BD_CE_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_88_20_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_A7_20_EF_BF_BD";
- const char s2[] = "_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD";
- char *exp_result;
+ const CHAR s1[] =
+ L("F_BD_CE_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_88_20_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_A7_20_EF_BF_BD");
+ const CHAR s2[] = L("_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD");
+ CHAR *exp_result;
exp_result = simple_strstr (s1, s2);
FOR_EACH_IMPL (impl, 0)
@@ -137,30 +172,31 @@ check1 (void)
static void
check2 (void)
{
- const char s1_stack[] = ", enable_static, \0, enable_shared, ";
- const size_t s1_byte_count = 18;
- const char *s2_stack = &(s1_stack[s1_byte_count]);
- const size_t s2_byte_count = 18;
- char *exp_result;
+ const CHAR s1_stack[] = L(", enable_static, \0, enable_shared, ");
+ const size_t s1_char_count = 18;
+ const size_t s1_byte_len = 18 * sizeof (CHAR);
+ const CHAR *s2_stack = &(s1_stack[s1_char_count]);
+ const size_t s2_byte_len = 18 * sizeof (CHAR);
+ CHAR *exp_result;
const size_t page_size_real = getpagesize ();
/* Haystack at end of page. The following page is protected. */
- char *s1_page_end = (void *) buf1 + page_size - s1_byte_count;
- strcpy (s1_page_end, s1_stack);
+ CHAR *s1_page_end = (void *) buf1 + page_size - s1_byte_len;
+ STRCPY (s1_page_end, s1_stack);
/* Haystack which crosses a page boundary.
Note: page_size is at least 2 * getpagesize. See test_init. */
- char *s1_page_cross = (void *) buf1 + page_size_real - 8;
- strcpy (s1_page_cross, s1_stack);
+ CHAR *s1_page_cross = (void *) buf1 + page_size_real - 8;
+ STRCPY (s1_page_cross, s1_stack);
/* Needle at end of page. The following page is protected. */
- char *s2_page_end = (void *) buf2 + page_size - s2_byte_count;
- strcpy (s2_page_end, s2_stack);
+ CHAR *s2_page_end = (void *) buf2 + page_size - s2_byte_len;
+ STRCPY (s2_page_end, s2_stack);
/* Needle which crosses a page boundary.
Note: page_size is at least 2 * getpagesize. See test_init. */
- char *s2_page_cross = (void *) buf2 + page_size_real - 8;
- strcpy (s2_page_cross, s2_stack);
+ CHAR *s2_page_cross = (void *) buf2 + page_size_real - 8;
+ STRCPY (s2_page_cross, s2_stack);
exp_result = simple_strstr (s1_stack, s2_stack);
FOR_EACH_IMPL (impl, 0)
@@ -184,8 +220,8 @@ check2 (void)
static void
pr23637 (void)
{
- char *h = (char*) buf1;
- char *n = (char*) buf2;
+ CHAR *h = (CHAR*) buf1;
+ CHAR *n = (CHAR*) buf2;
for (int i = 0; i < N; i++)
{
@@ -200,7 +236,7 @@ pr23637 (void)
/* Ensure we don't match at the first 'x'. */
h[0] = 'x';
- char *exp_result = simple_strstr (h, n);
+ CHAR *exp_result = simple_strstr (h, n);
FOR_EACH_IMPL (impl, 0)
check_result (impl, h, n, exp_result);
}
@@ -163,6 +163,7 @@ tests := \
test-wcspbrk \
test-wcsrchr \
test-wcsspn \
+ test-wcsstr \
test-wmemchr \
test-wmemcmp \
test-wmemset \
new file mode 100644
@@ -0,0 +1,20 @@
+/* Test wcsstr function.
+ Copyright (C) 2024 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#define WIDE 1
+#include <string/test-strstr.c>
@@ -28,8 +28,12 @@
#include <wchar.h>
+#ifndef WCSSTR
+# define WCSSTR wcsstr
+#endif
+
wchar_t *
-wcsstr (const wchar_t *haystack, const wchar_t *needle)
+WCSSTR (const wchar_t *haystack, const wchar_t *needle)
{
wchar_t b, c;
@@ -92,6 +96,8 @@ foundneedle:
ret0:
return NULL;
}
+#ifndef WCSSTR
/* This alias is for backward compatibility with drafts of the ISO C
standard. Unfortunately the Unix(TM) standard requires this name. */
weak_alias (wcsstr, wcswcs)
+#endif