X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fstdio%2Fvswscanf.c;h=411dd39c9a27f763932126665cf95f9edc0bf422;hp=4396d7df644d85c9749701bc4e3c2b2f4d361c33;hb=1d92cddb1e1ed4b6cc0e55461727561e7a2522e0;hpb=73ec1d0495bb676012fd69491900ca8beb989ef7

diff --git a/src/stdio/vswscanf.c b/src/stdio/vswscanf.c
index 4396d7df..411dd39c 100644
--- a/src/stdio/vswscanf.c
+++ b/src/stdio/vswscanf.c
@@ -1,4 +1,6 @@
 #include "stdio_impl.h"
+#include "libc.h"
+#include <wchar.h>
 
 static size_t wstring_read(FILE *f, unsigned char *buf, size_t len)
 {
@@ -17,13 +19,13 @@ static size_t wstring_read(FILE *f, unsigned char *buf, size_t len)
 	f->rend = f->buf + k;
 	f->cookie = (void *)src;
 
-	if (!len) return 0;
+	if (!len || !k) return 0;
 
 	*buf = *f->rpos++;
 	return 1;
 }
 
-int vswscanf(const wchar_t *s, const wchar_t *fmt, va_list ap)
+int vswscanf(const wchar_t *restrict s, const wchar_t *restrict fmt, va_list ap)
 {
 	unsigned char buf[256];
 	FILE f = {
@@ -33,3 +35,5 @@ int vswscanf(const wchar_t *s, const wchar_t *fmt, va_list ap)
 	};
 	return vfwscanf(&f, fmt, ap);
 }
+
+weak_alias(vswscanf,__isoc99_vswscanf);