From: Michael Stapelberg <michael@stapelberg.de>
Date: Sat, 9 Nov 2013 13:12:22 +0000 (+0100)
Subject: fix slurp(), it needs to read size-1 for the trailing NUL
X-Git-Tag: 2.8~8
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=31509b0d5654baf2e2c3438cae90c30e3dd00c17;p=i3%2Fi3status

fix slurp(), it needs to read size-1 for the trailing NUL
---

diff --git a/src/general.c b/src/general.c
index bf7afd1..7ec80a8 100644
--- a/src/general.c
+++ b/src/general.c
@@ -19,7 +19,8 @@ bool slurp(const char *filename, char *destination, int size) {
         if ((fd = open(filename, O_RDONLY)) == -1)
                 return false;
 
-        int n = read(fd, destination, size);
+        /* We need one byte for the trailing 0 byte */
+        int n = read(fd, destination, size-1);
         if (n != -1)
                 destination[n] = '\0';
         (void)close(fd);