From: Michael Stapelberg <michael@stapelberg.de>
Date: Tue, 20 Sep 2011 20:42:26 +0000 (+0100)
Subject: A bit more boundary-checking when replacing variables.
X-Git-Tag: 4.1~143^2^2
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=cd6c3fedcb89b8ae995ca1afac2789aef5567de8;p=i3%2Fi3

A bit more boundary-checking when replacing variables.

Makes valgrind happy
---

diff --git a/src/cfgparse.y b/src/cfgparse.y
index f8e84ae9..f1843312 100644
--- a/src/cfgparse.y
+++ b/src/cfgparse.y
@@ -390,6 +390,7 @@ void parse_file(const char *f) {
         int extra = (strlen(current->value) - strlen(current->key));
         char *next;
         for (next = bufcopy;
+             (bufcopy + (next - bufcopy)) < (buf + stbuf.st_size) &&
              (next = strcasestr(bufcopy + (next - bufcopy), current->key)) != NULL;
              next += strlen(current->key)) {
             *next = '_';