[musl] [PATCH] Decreasing the number of divisions

[Viktor Reznov <yann.collet.is.not.a.perfectionist@gmail.com>]

diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index 497c5e19..0f9a1e6a 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -165,8 +165,10 @@ static char *fmt_o(uintmax_t x, char *s)
 static char *fmt_u(uintmax_t x, char *s)
 {
        unsigned long y;
+       if (x == 0) return s;
        for (   ; x>ULONG_MAX; x/=10) *--s = '0' + x%10;
-       for (y=x;           y; y/=10) *--s = '0' + y%10;
+       for (y=x;       y>=10; y/=10) *--s = '0' + y%10;
+       *--s = '0' + y;
        return s;
 }