_scanf.c: fix to signedness warnings

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

diff --git a/libc/stdio/_scanf.c b/libc/stdio/_scanf.c
index 0adb5f5..9aa1d52 100644 (file)
--- a/libc/stdio/_scanf.c
+++ b/libc/stdio/_scanf.c
@@ -377,9 +377,9 @@ int vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict format,
        FILE f;
 
        f.__bufstart =
-       f.__bufpos = (char *) str;
+       f.__bufpos = (unsigned char *) str;
        f.__bufread =
-       f.__bufend = (char *)(str + wcslen(str));
+       f.__bufend = (unsigned char *)(str + wcslen(str));
        __STDIO_STREAM_DISABLE_GETC(&f);
        __STDIO_STREAM_DISABLE_PUTC(&f);