fix libctest issue

Signed-off-by: Nganlan <tony.gan@huawei.com>

libc-test/src/functionalext/fortify/string_ext.c

@@ -21,6 +21,7 @@
 #include <sys/wait.h>
 #include "fortify_test.h"
 #include "test.h"
+#include "../../../../porting/linux/user/include/fortify/fortify.h"
 
 #define SIZE_1 1
 #define SIZE_5 5
@@ -412,7 +413,7 @@ static void test_strchr_0020()
     };
     sigaction(SIGABRT, &sigabrt, NULL);
 
-    char *s;
+    char str[0];
     int status;
     int pid = fork();
     switch (pid) {
@@ -420,7 +421,7 @@ static void test_strchr_0020()
             t_error("fork failed: %s\n", strerror(errno));
             break;
         case 0:
-            strchr(s, 'a');
+            strchr(str, 'a');
             exit(0);
         default:
             waitpid(pid, &status, WUNTRACED);
@@ -460,7 +461,7 @@ static void test_strrchr_0020()
     };
     sigaction(SIGABRT, &sigabrt, NULL);
 
-    char *s;
+    char str[0];
     int status;
     int pid = fork();
     switch (pid) {
@@ -468,7 +469,7 @@ static void test_strrchr_0020()
             t_error("fork failed: %s\n", strerror(errno));
             break;
         case 0:
-            strrchr(s, 'a');
+            strrchr(str, 'a');
             exit(0);
         default:
             waitpid(pid, &status, WUNTRACED);
@@ -558,7 +559,6 @@ static void test_strlcpy_0020()
     };
     sigaction(SIGABRT, &sigabrt, NULL);
 
-
     char src[SIZE_15];
     char dst[SIZE_10];
     strcpy(src, STRLEN_14);

libc-test/src/functionalext/supplement/string/strtok_r.c

@@ -49,7 +49,7 @@ void strtok_r_0200(void)
     char *p;
     char *outer_ptr = NULL;
     char *result = strtok_r(outer_ptr, ",", &p);
-    if (!result) {
+    if (result) {
         t_error("%s strtok_r error get result is %s not null\n", __func__, result);
     }
 }

libc-test/src/functionalext/supplement/string/wcpncpy.c

@@ -51,7 +51,7 @@ void wcpncpy_0200(void)
     if (wcscmp(result, dst + 2) != 0) {
         t_error("%s wcpncpy get result is %ls are not want %ls\n", __func__, result, dst + 2);
     }
-    if (wcscmp(src, dst) != 0) {
+    if (wcscmp(dst, L"So") != 0) {
         t_error("%s wcpncpy get dst is %ls are not want %ls\n", __func__, dst, src);
     }
 }