From: Martin Mares <mj@ucw.cz>
Date: Tue, 20 Feb 2001 17:51:24 +0000 (+0000)
Subject: Added a useful macro for value clamping.
X-Git-Tag: holmes-import~1545
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=d54d0a248b4d24092ba2d2ed1824406d14367053;p=libucw.git

Added a useful macro for value clamping.
---

diff --git a/lib/index.h b/lib/index.h
index e4182c7c..017cf7b2 100644
--- a/lib/index.h
+++ b/lib/index.h
@@ -4,6 +4,8 @@
  *	(c) 2001 Martin Mares <mj@ucw.cz>
  */
 
+#define CLAMP(x,min,max) ({ int _t=x; (_t < min) ? min : (_t > max) ? max : _t; })
+
 /* Words */
 
 #define MAX_WORD_LEN		64