win32: switch handful of memmove over memcpy. (php#17508)

Author: devnexen

win32/ioutil.c

@@ -316,7 +316,7 @@ PW32IO int php_win32_ioutil_mkdir_w(const wchar_t *path, mode_t mode)
 			SET_ERRNO_FROM_WIN32_CODE(ERROR_NOT_ENOUGH_MEMORY);
 			return -1;
 		}
-		memmove(tmp, path, (path_len + 1) * sizeof(wchar_t));
+		memcpy(tmp, path, (path_len + 1) * sizeof(wchar_t));
 
 		if (PHP_WIN32_IOUTIL_NORM_FAIL == php_win32_ioutil_normalize_path_w(&tmp, path_len, &path_len)) {
 			free(tmp);
@@ -331,7 +331,7 @@ PW32IO int php_win32_ioutil_mkdir_w(const wchar_t *path, mode_t mode)
 				free(tmp);
 				return -1;
 			}
-			memmove(_tmp, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW * sizeof(wchar_t));
+			memcpy(_tmp, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW * sizeof(wchar_t));
 			src = tmp;
 			dst = _tmp + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW;
 #ifndef ZTS

win32/ioutil.h

@@ -220,11 +220,11 @@ zend_always_inline static wchar_t *php_win32_ioutil_conv_any_to_w(const char* in
 		}
 
 		if (PHP_WIN32_IOUTIL_IS_LONG_PATHW(mb, mb_len) || PHP_WIN32_IOUTIL_IS_JUNCTION_PATHW(mb, mb_len) || PHP_WIN32_IOUTIL_IS_UNC_PATHW(mb, mb_len)) {
-			memmove(ret, mb, mb_len * sizeof(wchar_t));
+			memcpy(ret, mb, mb_len * sizeof(wchar_t));
 			ret[mb_len] = L'\0';
 		} else {
 			wchar_t *src = mb, *dst = ret + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW;
-			memmove(ret, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW * sizeof(wchar_t));
+			memcpy(ret, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW * sizeof(wchar_t));
 #ifndef ZTS
 			if (dir_len > 0) {
 				size_t len = GetCurrentDirectoryW(dir_len, dst);