fix bug of passing capacity instead of length in select_buf()

1 files changed, 5 insertions, 2 deletions

diff --git a/main.c b/main.c
index 3fa36f5..3367bee 100644
--- a/main.c
+++ b/main.c
@@ -1222,11 +1222,14 @@ int select_buf(void) {
 	for (u32 i = 0; i < e.bufn; i++) {
 		DA_APUSH(&opt, &e.scratch, e.buf[i].path);
 	}
+	ASSERT(opt.n == e.bufn);
 	Str prefix = minimum_prefix(opt.v, opt.n);
 	while (prefix.n > 0 && prefix.s[prefix.n-1] != '/') prefix.n--;
-	for (u32 i = 0; i < opt.n; i++)
+	for (u32 i = 0; i < opt.n; i++) {
+		ASSERT(opt.v[i].n > prefix.n);
 		opt.v[i] = str_skip(opt.v[i], prefix.n);
-	int o = select_opt(opt.v, opt.c, S("Buffer: "));
+	}
+	int o = select_opt(opt.v, opt.n, S("Buffer: "));
 	if (o == -1) return -1;
 	return o;
 }