fix all implicit conversion between signed/unsigned pointers

[musl] / src / stdio / vdprintf.c

diff --git a/src/stdio/vdprintf.c b/src/stdio/vdprintf.c
index 35ed6e0..68562e0 100644 (file)
--- a/src/stdio/vdprintf.c
+++ b/src/stdio/vdprintf.c
@@ -8,7 +8,7 @@ static size_t wrap_write(FILE *f, const unsigned char *buf, size_t len)
 int vdprintf(int fd, const char *fmt, va_list ap)
 {
        int r;
-       char buf[BUFSIZ];
+       unsigned char buf[BUFSIZ];
        FILE f = {
                .fd = fd, .lbf = EOF, .write = wrap_write,
                .buf = buf+UNGET, .buf_size = sizeof buf - UNGET