[src/trunk]: src/lib/libc/gdtoa Fix some bugs [exceed array bounds]. Simplify.

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dab715e0f382
branches:  trunk
changeset: 766742:dab715e0f382
user:      matt <matt%NetBSD.org@localhost>
date:      Fri Jul 01 03:20:06 2011 +0000

description:
Fix some bugs [exceed array bounds].  Simplify.

diffstat:

 lib/libc/gdtoa/strtof_vaxf.c |  13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diffs (41 lines):

diff -r 37d449c8426b -r dab715e0f382 lib/libc/gdtoa/strtof_vaxf.c
--- a/lib/libc/gdtoa/strtof_vaxf.c      Fri Jul 01 03:09:29 2011 +0000
+++ b/lib/libc/gdtoa/strtof_vaxf.c      Fri Jul 01 03:20:06 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: strtof_vaxf.c,v 1.5 2008/03/28 00:56:54 he Exp $ */
+/* $NetBSD: strtof_vaxf.c,v 1.6 2011/07/01 03:20:06 matt Exp $ */
 
 /****************************************************************
 
@@ -56,14 +56,13 @@
        k = strtodg(s, sp, &fpi, &expt, bits);
        if (k == STRTOG_NoMemory) {
                errno = ERANGE;
-               u.L[0] = Big0;
-               u.L[1] = Big1;
-               return u.f;
+               return HUGE_VALF;
        }
        switch(k & STRTOG_Retmask) {
          case STRTOG_NoNumber:
          case STRTOG_Zero:
-               u.L[0] = 0;
+         default:
+               u.f = 0.0;
                break;
 
          case STRTOG_Normal:
@@ -73,11 +72,11 @@
                break;
 
          case STRTOG_Infinite:
-               u.L[0] = 0xffff7fff;
+               u.f = HUGE_VALF;
                break;
 
          }
        if (k & STRTOG_Neg)
                u.L[0] |= 0x00008000L;
        return u.f;
-       }
+}