Fixed mingw build.

[simgear.git] / simgear / misc / stdint.hxx

diff --git a/simgear/misc/stdint.hxx b/simgear/misc/stdint.hxx
index aba705d1c17433fed2bdc6558fbf38f38287958a..f90734edc6eb6c49e61de814c9a425620fa0b5ce 100644 (file)
--- a/simgear/misc/stdint.hxx
+++ b/simgear/misc/stdint.hxx
@@ -4,20 +4,10 @@
 
 // Copyright (C) 1999  Curtis L. Olson - http://www.flightgear.org/~curt
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// Written by Curtis Olson - http://www.flightgear.org/~curt
+// Started September 2001.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-// Boston, MA  02111-1307, USA.
+// This file is in the Public Domain, and comes with no warranty.
 //
 // $Id$
 
@@ -56,27 +46,27 @@ typedef unsigned char    uint8_t;
 typedef unsigned short   uint16_t;
 typedef unsigned int     uint32_t;
 typedef unsigned __int64 uint64_t;
+
+typedef int ssize_t;
+#elif defined(sgi) || defined(__sun)
+# include <sys/types.h>
 #else
 # include <stdint.h>
 #endif
 
-#include <plib/ul.h>
-
 
-inline uint16_t sg_bswap_16(uint16_t b) {
-    unsigned short x = b;
-    ulEndianSwap(&x);
+inline uint16_t sg_bswap_16(uint16_t x) {
+    x = (x >> 8) | (x << 8);
     return x;
 }
 
-inline uint32_t sg_bswap_32(uint32_t b) {
-    unsigned x = b;
-    ulEndianSwap(&x);
+inline uint32_t sg_bswap_32(uint32_t x) {
+    x = ((x >>  8) & 0x00FF00FFL) | ((x <<  8) & 0xFF00FF00L);
+    x = (x >> 16) | (x << 16);
     return x;
 }
 
-inline uint64_t sg_bswap_64(uint64_t b) {
-    uint64_t x = b;
+inline uint64_t sg_bswap_64(uint64_t x) {
     x = ((x >>  8) & 0x00FF00FF00FF00FFLL) | ((x <<  8) & 0xFF00FF00FF00FF00LL);
     x = ((x >> 16) & 0x0000FFFF0000FFFFLL) | ((x << 16) & 0xFFFF0000FFFF0000LL);
     x = (x >> 32) | (x << 32);
@@ -94,13 +84,9 @@ inline bool sgIsBigEndian() {
     return (*((char *) &sgEndianTest ) == 0);
 }
 
-inline void sgEndianSwap(unsigned short *x) { ulEndianSwap(x); }
-inline void sgEndianSwap(unsigned int *x) { ulEndianSwap(x); }
-#if (SIZEOF_LONG_INT == 8)
-inline void sgEndianSwap(unsigned long int *x) { *x = sg_bswap_64(*x); }
-#else
-inline void sgEndianSwap(unsigned long long *x) { *x = sg_bswap_64(*x); }
-#endif
+inline void sgEndianSwap(uint16_t *x) { *x = sg_bswap_16(*x); }
+inline void sgEndianSwap(uint32_t *x) { *x = sg_bswap_32(*x); }
+inline void sgEndianSwap(uint64_t *x) { *x = sg_bswap_64(*x); }