commit 7796b6f7af5ae303f17d67ea073fc541c27f6da7
parent 13aeb0226d445fbf9e821699ae8ab67fd624489f
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date: Sun, 13 Dec 2015 11:33:14 +0100
Add support for & in substitution
Diffstat:
| M | ed.c | | | 19 | +++++++++++++++---- |
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/ed.c b/ed.c
@@ -881,10 +881,21 @@ addpost(char **s, size_t *cap, size_t *siz)
static void
addsub(char **s, size_t *cap, size_t *siz)
{
- char *p, c;
-
- for (p = rhs; c = *p; ++p)
- *s = addchar(c, *s, cap, siz);
+ char *end, *q, *p, c;
+
+ for (p = rhs; c = *p; ++p) {
+ switch (c) {
+ case '&':
+ q = lastmatch + matchs[0].rm_so;
+ end = lastmatch + matchs[0].rm_eo;
+ while (q < end)
+ *s = addchar(*q++, *s, cap, siz);
+ break;
+ default:
+ *s = addchar(c, *s, cap, siz);
+ break;
+ }
+ }
}
static void
