From: Rich Felker <dalias@aerifal.cx>
Date: Fri, 8 Jun 2012 02:52:41 +0000 (-0400)
Subject: fix scanf bug reading literals after width-limited field
X-Git-Tag: v0.9.2~50
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=31eaad4796b9da459b15da70097c2b619fb01ea9;p=musl

fix scanf bug reading literals after width-limited field

the field width limit was not being cleared before reading the
literal, causing spurious failures in scanf in cases like "%2d:"
scanning "00:".
---

diff --git a/src/stdio/vfscanf.c b/src/stdio/vfscanf.c
index 64fa9754..61b0edb1 100644
--- a/src/stdio/vfscanf.c
+++ b/src/stdio/vfscanf.c
@@ -103,6 +103,7 @@ int vfscanf(FILE *f, const char *fmt, va_list ap)
 		}
 		if (*p != '%' || p[1] == '%') {
 			p += *p=='%';
+			shlim(f, 0);
 			c = shgetc(f);
 			if (c!=*p) {
 				shunget(f);