From 99fbf4cfdbb3b67f30d595a7f1c535ca17c2f969 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Tue, 17 Apr 2012 21:17:09 -0400
Subject: [PATCH] make wide scanf %[ respect width

---
 src/stdio/vfwscanf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/stdio/vfwscanf.c b/src/stdio/vfwscanf.c
index 92b7fa40..beb8e8fb 100644
--- a/src/stdio/vfwscanf.c
+++ b/src/stdio/vfwscanf.c
@@ -243,7 +243,7 @@ int vfwscanf(FILE *f, const wchar_t *fmt, va_list ap)
 
 			int gotmatch = 0;
 
-			for (;;) {
+			while (width) {
 				if ((c=getwc(f))<0) break;
 				if (in_set(p, c) == invert)
 					break;
@@ -255,9 +255,10 @@ int vfwscanf(FILE *f, const wchar_t *fmt, va_list ap)
 					if (s) s+=l;
 				}
 				pos++;
+				width--;
 				gotmatch=1;
 			}
-			ungetwc(c, f);
+			if (width) ungetwc(c, f);
 
 			if (!gotmatch) goto match_fail;
 
-- 
2.25.1