From: Pavel Charvat <pchar@ucw.cz>
Date: Mon, 10 Nov 2008 12:22:52 +0000 (+0100)
Subject: Doc: Noted that macro parameters in chartype.h are allowed to have side-effects.
X-Git-Tag: holmes-import~161
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=e8d275476ae6292a16a37214bbf518d41c370e10;p=libucw.git

Doc: Noted that macro parameters in chartype.h are allowed to have side-effects.
---

diff --git a/ucw/chartype.h b/ucw/chartype.h
index f9c80522..055b540a 100644
--- a/ucw/chartype.h
+++ b/ucw/chartype.h
@@ -15,7 +15,8 @@
  * This way we bypass most possible problems with different compilation environments.
  *
  * All functions and macros accept any numbers and if it is necessary, they simply ignore higher bits.
- * It does not matter whether a parameter is signed or unsigned.
+ * It does not matter whether a parameter is signed or unsigned. Parameters are evaluated exactly once,
+ * so they can have side-effects.
  ***/
 
 #define _C_UPPER 1			/* Upper-case letters */