[Asterisk-cvs] asterisk/include/asterisk utils.h,1.17,1.18

[markster at lists.digium.com]

Update of /usr/cvsroot/asterisk/include/asterisk
In directory mongoose.digium.com:/tmp/cvs-serv13227/include/asterisk

Modified Files:
	utils.h 
Log Message:
Fix ODBC to clear title each time (bug #3379)


Index: utils.h
===================================================================
RCS file: /usr/cvsroot/asterisk/include/asterisk/utils.h,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -d -r1.17 -r1.18
--- utils.h	15 Jan 2005 21:51:38 -0000	1.17
+++ utils.h	20 Jan 2005 04:53:17 -0000	1.18
@@ -134,6 +134,24 @@
 extern const char *ast_inet_ntoa(char *buf, int bufsiz, struct in_addr ia);
 extern int ast_utils_init(void);
 
+/* The realloca lets us ast_restrdupa(), but you can't mix any other ast_strdup calls! */
+
+struct ast_realloca {
+	char *ptr;
+	int alloclen;
+};
+
+#define ast_restrdupa(ra, s) \
+	({ \
+		if ((ra)->ptr && strlen(s) + 1 < (ra)->alloclen) { \
+			strcpy((ra)->ptr, s); \
+		} else { \
+			(ra)->ptr = alloca(strlen(s) + 1 - (ra)->alloclen); \
+			if ((ra)->ptr) (ra)->alloclen = strlen(s) + 1; \
+		} \
+		(ra)->ptr; \
+	})
+
 #ifdef inet_ntoa
 #undef inet_ntoa
 #endif