Update of /usr/cvsroot/asterisk
In directory mongoose.digium.com:/tmp/cvs-serv31683
Modified Files:
utils.c
Log Message:
don't let ast_trim_blanks operate on empty strings or run off the beginning of
the string
Index: utils.c
===================================================================
RCS file: /usr/cvsroot/asterisk/utils.c,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -d -r1.49 -r1.50
--- utils.c 17 Jun 2005 13:25:00 -0000 1.49
+++ utils.c 17 Jun 2005 14:27:57 -0000 1.50
@@ -46,13 +46,15 @@
char *ast_trim_blanks(char *str)
{
- if (str) {
- str += strlen(str) - 1;
- while (*str && *str < 33)
- str--;
- *(++str) = '\0'; /* terminate string */
+ char *work = str;
+
+ if (work && !ast_strlen_zero(work)) {
+ work += strlen(work) - 1;
+ while ((work >= str) && *work && *work < 33)
+ work--;
+ *(++work) = '\0'; /* terminate string */
}
- return str;
+ return work;
}
char *ast_skip_nonblanks(char *str)
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