From 19ff8ff7c448e4e88e602dde0af4230bff5b4daa Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Thu, 4 Dec 2014 10:27:39 +0100
Subject: libfdisk: fix cfdisk freespace analyze

The problem is how fdisk_partition_cmp_start() compare numbers, the
function returns result from "a->start - b->start", unfortunately the
numbers are uint64, but function returns "int".

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1170191
Signed-off-by: Karel Zak <kzak@redhat.com>
---
 include/c.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'include/c.h')

diff --git a/include/c.h b/include/c.h
index 0f6e5b29b..142583956 100644
--- a/include/c.h
+++ b/include/c.h
@@ -107,6 +107,14 @@
 	_max1 > _max2 ? _max1 : _max2; })
 #endif
 
+#ifndef cmp_numbers
+# define cmp_numbers(x, y) __extension__ ({	\
+	__typeof__(x) _a = (x);			\
+	__typeof__(y) _b = (y);			\
+	(void) (&_a == &_b);			\
+	a == b ? 0 : a > b ? 1 : -1; })
+#endif
+
 #ifndef offsetof
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 #endif
-- 
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