From: Paul Green <Paul.Green@stratus.com>
Date: Fri, 8 Mar 2002 22:34:00 +0000 (-0500)
Subject: pp_sys.c (pp_sselect to not clobber storage on BigEndian
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e366b469b913fe3bb59ea9a1de1949e15e2e2633;p=p5sagit%2Fp5-mst-13.2.git

pp_sys.c (pp_sselect to not clobber storage on BigEndian
Message-Id: <200203090336.WAA11215@mailhub1.stratus.com>

p4raw-id: //depot/perl@15128
---

diff --git a/pp_sys.c b/pp_sys.c
index 87231ee..593fd6c 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -984,18 +984,7 @@ PP(pp_sselect)
     }
 
 /* little endians can use vecs directly */
-#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
-#  if SELECT_MIN_BITS > 1
-    /* If SELECT_MIN_BITS is greater than one we most probably will want
-     * to align the sizes with SELECT_MIN_BITS/8 because for example
-     * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
-     * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
-     * on (sets/tests/clears bits) is 32 bits.  */
-    growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
-#  else
-    growsize = sizeof(fd_set);
-#  endif
-# else
+#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
 #  ifdef NFDBITS
 
 #    ifndef NBBY
@@ -1006,10 +995,20 @@ PP(pp_sselect)
 #  else
     masksize = sizeof(long);	/* documented int, everyone seems to use long */
 #  endif
-    growsize = maxlen + (masksize - (maxlen % masksize));
     Zero(&fd_sets[0], 4, char*);
 #endif
 
+#  if SELECT_MIN_BITS > 1
+    /* If SELECT_MIN_BITS is greater than one we most probably will want
+     * to align the sizes with SELECT_MIN_BITS/8 because for example
+     * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
+     * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
+     * on (sets/tests/clears bits) is 32 bits.  */
+    growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
+#  else
+    growsize = sizeof(fd_set);
+#  endif
+
     sv = SP[4];
     if (SvOK(sv)) {
 	value = SvNV(sv);