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--- Libc/Libc-763.13/gdtoa/FreeBSD/_hdtoa.c.patch
+++ Libc/Libc-498/gdtoa/FreeBSD/_hdtoa.c.patch
@@ -1,6 +1,6 @@
---- _hdtoa.c.orig 2008-09-07 11:38:10.000000000 -0700
-+++ _hdtoa.c 2008-09-07 12:49:47.000000000 -0700
-@@ -55,7 +55,7 @@ roundup(char *s0, int ndigits)
+--- _hdtoa.c.orig 2006-08-14 16:12:46.000000000 -0700
++++ _hdtoa.c 2006-08-14 23:02:39.000000000 -0700
+@@ -55,7 +55,7 @@
*s = 1;
return (1);
}
@@ -9,44 +9,10 @@
}
++*s;
return (0);
-@@ -126,12 +126,12 @@ __hdtoa(double d, const char *xdigs, int
- static const int sigfigs = (DBL_MANT_DIG + 3) / 4;
- union IEEEd2bits u;
- char *s, *s0;
-- int bufsize;
-+ int bufsize, f;
-
- u.d = d;
- *sign = u.bits.sign;
-
-- switch (fpclassify(d)) {
-+ switch (f = fpclassify(d)) {
- case FP_NORMAL:
- *decpt = u.bits.exp - DBL_ADJ;
- break;
-@@ -149,7 +149,7 @@ __hdtoa(double d, const char *xdigs, int
- *decpt = INT_MAX;
- return (nrv_alloc(NANSTR, rve, sizeof(NANSTR) - 1));
- default:
-- abort();
-+ LIBC_ABORT("fpclassify returned %d", f);
- }
-
- /* FP_NORMAL or FP_SUBNORMAL */
-@@ -210,6 +210,7 @@ __hdtoa(double d, const char *xdigs, int
- return (s0);
- }
-
-+#ifndef LDBL_COMPAT
- #if (LDBL_MANT_DIG > DBL_MANT_DIG)
-
- /*
-@@ -222,13 +223,18 @@ __hldtoa(long double e, const char *xdig
- static const int sigfigs = (LDBL_MANT_DIG + 3) / 4;
+@@ -223,12 +223,17 @@
union IEEEl2bits u;
char *s, *s0;
-- int bufsize;
-+ int bufsize, f;
+ int bufsize;
+#ifdef LDBL_HEAD_TAIL_PAIR
+ uint32_t bits[4];
+ int i, pos;
@@ -55,28 +21,18 @@
u.e = e;
*sign = u.bits.sign;
-- switch (fpclassify(e)) {
-+ switch (f = fpclassify(e)) {
+ switch (fpclassify(e)) {
case FP_NORMAL:
+ case FP_SUPERNORMAL:
*decpt = u.bits.exp - LDBL_ADJ;
break;
case FP_ZERO:
-@@ -245,7 +251,7 @@ __hldtoa(long double e, const char *xdig
- *decpt = INT_MAX;
- return (nrv_alloc(NANSTR, rve, sizeof(NANSTR) - 1));
- default:
-- abort();
-+ LIBC_ABORT("fpclassify returned %d", f);
- }
-
- /* FP_NORMAL or FP_SUBNORMAL */
-@@ -270,6 +276,19 @@ __hldtoa(long double e, const char *xdig
+@@ -270,6 +275,19 @@
*/
for (s = s0 + bufsize - 1; s > s0 + sigfigs - 1; s--)
*s = 0;
+#ifdef LDBL_HEAD_TAIL_PAIR
-+ *decpt -= _ldbl2array32dd(u, bits);
++ _ldbl2array32dd(u, bits);
+ i = 0;
+ pos = 8;
+ for (; s > s0; s--) {
@@ -91,7 +47,7 @@
for (; s > s0 + sigfigs - (LDBL_MANL_SIZE / 4) - 1 && s > s0; s--) {
*s = u.bits.manl & 0xf;
u.bits.manl >>= 4;
-@@ -278,6 +297,7 @@ __hldtoa(long double e, const char *xdig
+@@ -278,6 +296,7 @@
*s = u.bits.manh & 0xf;
u.bits.manh >>= 4;
}
@@ -99,7 +55,7 @@
/*
* At this point, we have snarfed all the bits in the
-@@ -285,7 +305,11 @@ __hldtoa(long double e, const char *xdig
+@@ -285,7 +304,11 @@
* (partial) nibble, which is dealt with by the next
* statement. We also tack on the implicit normalization bit.
*/
@@ -111,8 +67,3 @@
/* If ndigits < 0, we are expected to auto-size the precision. */
if (ndigits < 0) {
-@@ -317,3 +341,4 @@ __hldtoa(long double e, const char *xdig
- }
-
- #endif /* (LDBL_MANT_DIG == DBL_MANT_DIG) */
-+#endif /* !LDBL_COMPAT */