From b5b23525edcc09898288360c48e92b4a6c9cb0ee Mon Sep 17 00:00:00 2001
From: Perttu Luukko <perttu.luukko@iki.fi>
Date: Sun, 13 Jun 2010 15:20:10 +0900
Subject: [PATCH] Fix cpufreqd segfault when calling realpath

The size is set at cpufreqd.h to 512.  man 3 realpath tells me that
realpath wants a buffer of size PATH_MAX, so I modified cpufreqd.h to
include limits.h if it is present and use PATH_MAX.

Signed-off-by: Mattia Dongili <malattia@linux.it>
---
 src/cpufreqd.h |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/cpufreqd.h b/src/cpufreqd.h
index 9733a5f..97b905a 100644
--- a/src/cpufreqd.h
+++ b/src/cpufreqd.h
@@ -54,6 +54,12 @@
 #define DEFAULT_VERBOSITY	3
 
 #define MAX_STRING_LEN		255
-#define MAX_PATH_LEN		512
+
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#define MAX_PATH_LEN PATH_MAX
+#else
+#define MAX_PATH_LEN 512
+#endif
 
 #endif /* __CPUFREQD_H__ */
-- 
1.7.2.3