Backport alternate encoding of newline delimiters from trunk to 1.4, as approved by Russell

Reported by blitzrage
Closes issue #10903


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@87067 65c4cc65-6c06-0410-ace0-fbb531ad65f3

funcs/func_cut.c

@@ -145,7 +145,21 @@ static int cut_internal(struct ast_channel *chan, char *data, char *buffer, size
 			return ERROR_NOMEM;
 		}
 
-		d = args.delimiter[0] ? args.delimiter[0] : '-';
+		if (args.delimiter[0] == '\\') {
+			if (args.delimiter[1] == 'n')
+				d = '\n';
+			else if (args.delimiter[1] == 't')
+				d = '\t';
+			else if (args.delimiter[1] == 'r')
+				d = '\r';
+			else if (args.delimiter[1])
+				d = args.delimiter[1];
+			else
+				d = '-';
+		} else if (args.delimiter[0])
+			d = args.delimiter[0];
+		else
+			d = '-';
 
 		/* String form of the delimiter, for use with strsep(3) */
 		snprintf(ds, sizeof(ds), "%c", d);