getservbyport_r: fix wrong result if getnameinfo fails with EAI_OVERFLOW

[musl] / src / math / remainderf.c

diff --git a/src/math/remainderf.c b/src/math/remainderf.c
index 7767103..bf1d7b2 100644 (file)
--- a/src/math/remainderf.c
+++ b/src/math/remainderf.c
@@ -1,59 +1,9 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/e_remainderf.c */
-/*
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+#include <math.h>
 
-#include "libm.h"
-
-float remainderf(float x, float p)
+float remainderf(float x, float y)
 {
-       int32_t hx,hp;
-       uint32_t sx;
-       float p_half;
-
-       GET_FLOAT_WORD(hx, x);
-       GET_FLOAT_WORD(hp, p);
-       sx = hx & 0x80000000;
-       hp &= 0x7fffffff;
-       hx &= 0x7fffffff;
-
-       /* purge off exception values */
-       if (hp == 0 || hx >= 0x7f800000 || hp > 0x7f800000)  /* p = 0, x not finite, p is NaN */
-               return (x*p)/(x*p);
-
-       if (hp <= 0x7effffff)
-               x = fmodf(x, p + p);  /* now x < 2p */
-       if (hx - hp == 0)
-               return 0.0f*x;
-       x = fabsf(x);
-       p = fabsf(p);
-       if (hp < 0x01000000) {
-               if (x + x > p) {
-                       x -= p;
-                       if (x + x >= p)
-                               x -= p;
-               }
-       } else {
-               p_half = 0.5f*p;
-               if (x > p_half) {
-                       x -= p;
-                       if (x >= p_half)
-                               x -= p;
-               }
-       }
-       GET_FLOAT_WORD(hx, x);
-       if ((hx & 0x7fffffff) == 0)
-               hx = 0;
-       SET_FLOAT_WORD(x, hx ^ sx);
-       return x;
+       int q;
+       return remquof(x, y, &q);
 }
+
+weak_alias(remainderf, dremf);