vis

commit 66459cd7ef8d1b14439622d1ea2fc0b87278f2dc
parent 419aca995dcb728f57503c94aaabf3f4b48207d4
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Thu, 28 Aug 2014 15:05:08 +0200

text: fix iterator_char{prev,next} to accept NULL argument

Diffstat:
M
text.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/text.c b/text.c
@@ -880,7 +880,8 @@ bool text_iterator_byte_prev(Iterator *it, char *b) {
 bool text_iterator_char_next(Iterator *it, char *c) {
 	while (text_iterator_byte_next(it, NULL)) {
 		if (isutf8(*it->text)) {
-			*c = *it->text;
+			if (c)
+				*c = *it->text;
 			return true;
 		}
 	}
@@ -890,7 +891,8 @@ bool text_iterator_char_next(Iterator *it, char *c) {
 bool text_iterator_char_prev(Iterator *it, char *c) {
 	while (text_iterator_byte_prev(it, NULL)) {
 		if (isutf8(*it->text)) {
-			*c = *it->text;
+			if (c)
+				*c = *it->text;
 			return true;
 		}
 	}