strconv: fix v_sprintf with '%%' (#17708)

2023-08-10 21:13:21 +03:00 · 2023-03-19 15:52:45 +08:00
parent 3793bf1c99
commit 9275161d0f
2 changed files with 12 additions and 0 deletions
--- a/vlib/strconv/vprintf.c.v
+++ b/vlib/strconv/vprintf.c.v
@ -75,6 +75,12 @@ pub fn v_sprintf(str string, pt ...voidptr) string {
 			i++
 			continue
 		}
+		if ch == `%` && status == .field_char {
+			status = .norm_char
+			res.write_u8(ch)
+			i++
+			continue
+		}
 		if ch == `%` && status == .norm_char {
 			status = .field_char
 			i++