Revision: 42150
http://brlcad.svn.sourceforge.net/brlcad/?rev=42150&view=rev
Author: brlcad
Date: 2011-01-12 16:56:37 +0000 (Wed, 12 Jan 2011)
Log Message:
-----------
follow suit and provide another BU_STR_EQUAL() macro for comparing two strings
for equality. this is similar to the STREQ recommendation by the ibm
developerworks best practices article
(http://www.ibm.com/developerworks/aix/library/au-hook_duttaC.html) so that
developers can use equality as a truthfulness return value consistently. there
are approximately 1400 present uses of strcmp() in BRL-CAD that can use this
macro.
Modified Paths:
--------------
brlcad/trunk/include/bu.h
Modified: brlcad/trunk/include/bu.h
===================================================================
--- brlcad/trunk/include/bu.h 2011-01-12 16:42:35 UTC (rev 42149)
+++ brlcad/trunk/include/bu.h 2011-01-12 16:56:37 UTC (rev 42150)
@@ -5075,13 +5075,24 @@
* bu_strcmp() is a macro that includes the current file name and line
* number that can be used when bu debugging is enabled.
*
- * BU_STR_EMPTY() is a macro that tests a string for emptiness, i.e. "" or
- * NULL.
*/
BU_EXPORT BU_EXTERN(int bu_strcmpm, (const char *string1, const char *string2,
const char *label));
#define bu_strcmp(s) bu_strcmpm(s, BU_FLSTR)
+
+/**
+ * BU_STR_EMPTY() is a convenience macro that tests a string for
+ * emptiness, i.e. "" or NULL.
+*/
#define BU_STR_EMPTY(s) (bu_strcmpm(s, "", BU_FLSTR) == 0)
+/**
+ * BU_STR_EQUAL() is a convenience macro for testing two
+ * null-terminaed strings for equality, i.e. A == B, and is equivalent
+ * to (bu_strcmp(s1, s2) == 0) returning true if the strings match and
+ * false if they do not.
+ */
+#define BU_STR_EQUAL(s1, s2) (bu_strcmp((s1), (s2)) == 0)
+
/** @} */
/** @addtogroup bu_log */
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