From: Nikita Popov <nikita.ppv@gmail.com>
Date: Thu, 20 Jul 2017 19:14:01 +0000 (+0200)
Subject: Only write single terminating byte
X-Git-Tag: php-7.3.0alpha1~1862
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a319063aaeaad817cd777a373c5b8ac6a26950d1;p=php

Only write single terminating byte

As far as I could determine this is sufficient. It avoids
reallocating the buffer, if it was perfectly allocated beforehand.
---

diff --git a/ext/mbstring/libmbfl/mbfl/mbfl_memory_device.c b/ext/mbstring/libmbfl/mbfl/mbfl_memory_device.c
index 5a28613014..176a752288 100644
--- a/ext/mbstring/libmbfl/mbfl/mbfl_memory_device.c
+++ b/ext/mbstring/libmbfl/mbfl/mbfl_memory_device.c
@@ -119,7 +119,7 @@ mbfl_memory_device_result(mbfl_memory_device *device, mbfl_string *result)
 {
 	if (device && result) {
 		result->len = device->pos;
-		mbfl_memory_device_output4('\0', device);
+		mbfl_memory_device_output('\0', device);
 		result->val = device->buffer;
 		device->buffer = (unsigned char *)0;
 		device->length = 0;