fix: 内核告警修复

【背景】
经代码扫描工具检测,内核代码中存在
可以修复的告警

【修改方案】
1.将单语句的if, while等加上括号
2.将C语言风格的类型转换变为C++风格

【影响】
对现有的产品编译不会有影响。

Signed-off-by: yinjiaming <yinjiaming@huawei.com>
Change-Id: I7d4a04a8904abb3c33e843049bf15f4386d3efd8

testsuites/unittest/libc/sys/smoke/sys_test_008.cpp

@@ -39,9 +39,9 @@ static UINT32 TestCase(VOID)
     int cflags;
     regex_t reg;
     char *a = NULL;
-    char *b = (char *)"No error";
-    char *testStr = (char *)"Hello World";
-    char *regStr = (char *)"H.*";
+    char *b = const_cast<char *>("No error");
+    char *testStr = const_cast<char *>("Hello World");
+    char *regStr = const_cast<char *>("H.*");
 
     cflags = REG_EXTENDED | REG_ICASE | REG_NOSUB;
 

testsuites/unittest/libc/sys/smoke/sys_test_009.cpp

@@ -33,8 +33,8 @@
 static UINT32 TestCase(VOID)
 {
     char *val = NULL;
-    const char *name = (char *)"ABC";
-    char *env = (char *)"test-test";
+    const char *name = "ABC";
+    char *env = const_cast<char *>("test-test");
     int ret;
 
     val = getenv(name);

testsuites/unittest/libc/sys/smoke/sys_test_010.cpp

@@ -33,7 +33,7 @@
 static UINT32 TestCase(VOID)
 {
     char *plocale = NULL;
-    char *buffer = (char *)"C";
+    char *buffer = const_cast<char *>("C");
     int ret;
 
     plocale = setlocale(LC_ALL, NULL);

testsuites/unittest/libc/sys/smoke/sys_test_012.cpp

@@ -34,8 +34,8 @@ static UINT32 TestCase(VOID)
 {
     char *val = NULL;
     char *val2 = NULL;
-    const char *name = (char *)"ABC";
-    char *env = (char *)"test-test";
+    const char *name = "ABC";
+    char *env = "test-test";
     int ret;
 
     val = getenv(name);

testsuites/unittest/libc/sys/smoke/sys_test_013.cpp

@@ -38,7 +38,7 @@ struct q {
 
 static struct q *New(int i)
 {
-    struct q *q = (struct q *)malloc(sizeof *q);
+    struct q *q = static_cast<struct q *>(malloc(sizeof *q));
     if (q != NULL) {
         q->i = i;
     }

testsuites/unittest/libc/sys/smoke/sys_test_016.cpp

@@ -35,7 +35,7 @@ static UINT32 TestCase(VOID)
     char *ptr = NULL;
     int ret;
 
-    ptr = basename((char *)".");
+    ptr = basename(const_cast<char *>("."));
     ret = strcmp(ptr, ".");
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);