fix undo in runev and prevent empty commits

2 files changed, 6 insertions, 4 deletions

diff --git a/edit.c b/edit.c
index 7800608..4b4e3ff 100644
--- a/edit.c
+++ b/edit.c
@@ -213,7 +213,8 @@ eb_ins_utf8(EBuf *eb, unsigned p0, unsigned char *data, int len)
 void
 eb_commit(EBuf *eb)
 {
-	log_commit(eb->undo);
+	if (eb->undo->type != Commit)
+		log_commit(eb->undo);
 }
 
 void
@@ -522,7 +523,7 @@ main() {
 			break;
 		case '!':
 			if (eb->undo->type != Commit)
-				eb_commit(eb);
+				log_commit(eb->undo);
 			eb_undo(eb, 1, 0);
 			break;
 		case '?':
@@ -535,7 +536,7 @@ main() {
 			while (buf_get(&eb->b, i-1) != '\n');
 			break;
 		case 'c':
-			eb_commit(eb);
+			log_commit(eb->undo);
 			break;
 		case '#':
 			break;
diff --git a/exec.c b/exec.c
index 3196c44..07f31cb 100644
--- a/exec.c
+++ b/exec.c
@@ -210,7 +210,7 @@ runev(int fd, int flag, void *data)
 		p = buf;
 		p0 = rn->p;
 		while ((dec = utf8_decode_rune(&r, p, n))) {
-			buf_ins(&rn->eb->b, rn->p++, r);
+			eb_ins(rn->eb, rn->p++, r);
 			p += dec;
 			n -= dec;
 		}
@@ -219,6 +219,7 @@ runev(int fd, int flag, void *data)
 		memcpy(rn->in, p, n);
 		eb_setmark(rn->eb, SelBeg, p0);
 		eb_setmark(rn->eb, SelEnd, rn->p);
+		eb_commit(rn->eb);
 		win_redraw_frame();
 	}
 	if (flag & EWrite) {