修复可能存在的内存泄漏

如题

Author: toxmc

book/sample/chapt11/11-02-00-tipi-hello-world/tipi_demo01.c

@@ -83,15 +83,16 @@ PHP_FUNCTION(tipi_hello_world)
 	char *result = NULL;
 	char *prefix = "hello world, ";
 
-
 	if (zend_parse_parameters(argc TSRMLS_CC, "s", &name, &name_len) == FAILURE) 
 		return;
 
 	result = (char *) ecalloc(strlen(prefix) + name_len + 1, sizeof(char));
 	strncat(result, prefix, strlen(prefix));
 	strncat(result, name, name_len);
 
-	RETURN_STRING(result);
+	ZVAL_STRING(return_value, result);
+        efree(result);
+        return;
 }
 /* }}} */