fix failure to distinguish input/match failure in wide %[ scanf

[musl] / src / stdio / vfwscanf.c

diff --git a/src/stdio/vfwscanf.c b/src/stdio/vfwscanf.c
index a52ba3a..dbba865 100644 (file)
--- a/src/stdio/vfwscanf.c
+++ b/src/stdio/vfwscanf.c
@@ -264,7 +264,9 @@ int vfwscanf(FILE *f, const wchar_t *fmt, va_list ap)
                        }
                        if (width) ungetwc(c, f);
 
-                       if (!gotmatch) goto match_fail;
+                       if (!gotmatch)
+                               if (c>=0) goto match_fail;
+                               else goto input_fail;
 
                        if (*p==']') p++;
                        while (*p!=']') {