From: Roy Marples <roy@marples.name>
Date: Mon, 21 Jul 2014 19:05:32 +0000 (+0000)
Subject: Ensure that a given buffer is at least BUFSIZ.
X-Git-Tag: v6.4.3~11
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=69ff5aa03ae97b8a760e7e4b204fcae27741926f;p=thirdparty%2Fdhcpcd.git

Ensure that a given buffer is at least BUFSIZ.
---

diff --git a/compat/getline.c b/compat/getline.c
index 68fe0854..8c0cbdff 100644
--- a/compat/getline.c
+++ b/compat/getline.c
@@ -55,7 +55,7 @@ getline(char ** __restrict buf, size_t * __restrict buflen,
 	do {
 		if (feof(fp))
 			break;
-		if (*buf == NULL || bytes != 0) {
+		if (*buf == NULL || bytes != 0 || *buflen < BUFSIZ) {
 			newlen = *buflen + BUFSIZ;
 			newbuf = realloc(*buf, newlen);
 			if (newbuf == NULL)