Fix the termination of the readlink result

nread is the number of bytes put into the buffer, let's terminate it there
instead of one byte over. This only worked because execdir was initialized to
zero.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
(cherry picked from commit 34fe17f72353b5fe65724390e4ec384ec848499a)

diff --git a/src/builddir.h b/src/builddir.h
index bc0c9e5473da2929e3399e9674c1f52629fc4ab5..19825759a5193aebb6d694a6bb05103ac1865bd3 100644 (file)
--- a/src/builddir.h
+++ b/src/builddir.h
@@ -50,7 +50,7 @@ builddir_lookup(void)
 
        /* readlink doesn't terminate the string and readlink says
           anything past sz is undefined */
-       execdir[++nread] = '\0';
+       execdir[nread] = '\0';
 
        pathsep = strrchr(execdir, '/');
        if (!pathsep)