vis

commit f5ae70c9cc25653b7432d102c5ca164e9e98e381
parent 0b26b2c3efb86da0877dc9ec98e7bc327c113dfd
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Mon, 25 Jan 2021 13:43:07 +0100

sam: produce empty match at the end of looped range

In certain cases (e.g. involving negated character classes) the last
empty match of an x command would wrongly be skipped.

See #925

Diffstat:
M
sam.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sam.c b/sam.c
@@ -1417,6 +1417,7 @@ static int extract(Vis *vis, Win *win, Command *cmd, const char *argv[], Selecti
 				if (match[0].start == match[0].end) {
 					if (last_start == match[0].start) {
 						start++;
+						trailing_match = start == end;
 						continue;
 					}
 					/* in Plan 9's regexp library ^ matches the beginning
@@ -1429,8 +1430,7 @@ static int extract(Vis *vis, Win *win, Command *cmd, const char *argv[], Selecti
 						break;
 				}
 				start = match[0].end;
-				if (start == end)
-					trailing_match = true;
+				trailing_match = start == end;
 			} else {
 				if (argv[0][0] == 'y')
 					r = text_range_new(start, end);