fix: segfault when using string.ustring_tmp()

2019-06-29 16:24:59 +02:00 · 2019-06-29 16:24:59 +02:00 · 58577f57c6
parent 09c447e2b8
commit 58577f57c6
1 changed files with 4 additions and 1 deletions
--- a/vlib/builtin/string.v
+++ b/vlib/builtin/string.v
@ -653,6 +653,9 @@ pub fn (s string) ustring() ustring {
 // right away. Uses global buffer for storing runes []int array.
 __global g_ustring_runes []int
 pub fn (s string) ustring_tmp() ustring {
+	if g_ustring_runes.len == 0 {
+		g_ustring_runes = new_array(0, 128, sizeof(int))
+	}
 	mut res := ustring {
 		s: s
 	}