Add return code from json API functions

It will allow fix few json bugs in a better way

Author: bukka

ext/json/json.c

@@ -184,22 +184,27 @@ static PHP_MINFO_FUNCTION(json)
 }
 /* }}} */
 
-PHP_JSON_API void php_json_encode(smart_str *buf, zval *val, int options) /* {{{ */
+PHP_JSON_API int php_json_encode(smart_str *buf, zval *val, int options) /* {{{ */
 {
 	php_json_encode_zval(buf, val, options);
+
+	return JSON_G(error_code) > 0 ? FAILURE : SUCCESS;
 }
 /* }}} */
 
-PHP_JSON_API void php_json_decode_ex(zval *return_value, char *str, size_t str_len, zend_long options, zend_long depth) /* {{{ */
+PHP_JSON_API int php_json_decode_ex(zval *return_value, char *str, size_t str_len, zend_long options, zend_long depth) /* {{{ */
 {
 	php_json_parser parser;
 
 	php_json_parser_init(&parser, return_value, str, str_len, (int)options, (int)depth);
 
 	if (php_json_yyparse(&parser)) {
 		JSON_G(error_code) = php_json_parser_error_code(&parser);
-		RETURN_NULL();
+		RETVAL_NULL();
+		return FAILURE;
 	}
+
+	return SUCCESS;
 }
 /* }}} */
 

ext/json/php_json.h

@@ -93,12 +93,12 @@ PHP_JSON_API ZEND_EXTERN_MODULE_GLOBALS(json)
 ZEND_TSRMLS_CACHE_EXTERN()
 #endif
 
-PHP_JSON_API void php_json_encode(smart_str *buf, zval *val, int options);
-PHP_JSON_API void php_json_decode_ex(zval *return_value, char *str, size_t str_len, zend_long options, zend_long depth);
+PHP_JSON_API int php_json_encode(smart_str *buf, zval *val, int options);
+PHP_JSON_API int php_json_decode_ex(zval *return_value, char *str, size_t str_len, zend_long options, zend_long depth);
 
-static inline void php_json_decode(zval *return_value, char *str, int str_len, zend_bool assoc, zend_long depth)
+static inline int php_json_decode(zval *return_value, char *str, int str_len, zend_bool assoc, zend_long depth)
 {
-	php_json_decode_ex(return_value, str, str_len, assoc ? PHP_JSON_OBJECT_AS_ARRAY : 0, depth);
+	return php_json_decode_ex(return_value, str, str_len, assoc ? PHP_JSON_OBJECT_AS_ARRAY : 0, depth);
 }