Revision: 68971
http://sourceforge.net/p/brlcad/code/68971
Author: brlcad
Date: 2016-10-03 07:31:27 +0000 (Mon, 03 Oct 2016)
Log Message:
-----------
clarify that empty strings are whitespace-trimmed
Modified Paths:
--------------
brlcad/trunk/include/bu/str.h
Modified: brlcad/trunk/include/bu/str.h
===================================================================
--- brlcad/trunk/include/bu/str.h 2016-10-03 07:30:17 UTC (rev 68970)
+++ brlcad/trunk/include/bu/str.h 2016-10-03 07:31:27 UTC (rev 68971)
@@ -249,11 +249,14 @@
* Returns truthfully if a given input string represents an
* "affirmative string".
*
- * Input values that are case-insensitively NULL, empty, "n", "no",
- * "false", "off", "(null)", or are 0-valued return as false. Any
- * other input value return true. Strings strongly indicating true
- * such as "y", "yes", "true", "on", or are 1-valued will return as 1,
- * other strings still return as true but may be greater than 1.
+ * Input values that are case-insensitively NULL, empty (i.e., ""
+ * after disregarding whitespace), "n", "no", "false", "off",
+ * "(null)", or are 0-valued return as false. Any other input value
+ * returns true.
+ *
+ * Strings strongly indicating true such as "y", "yes", "true", "on",
+ * or are 1-valued will return as 1, other non-empty strings still
+ * return as true but may be greater than 1.
*/
BU_EXPORT extern int bu_str_true(const char *str);
@@ -261,9 +264,10 @@
* Returns truthfully if a given input string represents a
* "negative string".
*
- * Input values that are case-insensitively NULL, empty, "n", "no",
- * "false", "off", "(null)", or are 0-valued return as true. Any
- * other input value returns as false.
+ * Input values that are case-insensitively NULL, empty (i.e., ""
+ * after disregarding whitespace), "n", "no", "false", "off",
+ * "(null)", or are 0-valued return as true. Any other input value
+ * returns as false.
*/
BU_EXPORT extern int bu_str_false(const char *str);
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