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authorKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
committerKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
commitad547a6b5986815fda458221149728d9d9ab1d87 (patch)
tree16296910eb3eca724371474ea9aea3994dc69614 /Build/source/texk/web2c/xetexdir/XeTeXswap.h
parent947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff)
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/xetexdir/XeTeXswap.h')
-rw-r--r--Build/source/texk/web2c/xetexdir/XeTeXswap.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/xetexdir/XeTeXswap.h b/Build/source/texk/web2c/xetexdir/XeTeXswap.h
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index 00000000000..ffdcc2e2a01
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+++ b/Build/source/texk/web2c/xetexdir/XeTeXswap.h
@@ -0,0 +1,84 @@
+/****************************************************************************\
+ Part of the XeTeX typesetting system
+ Copyright (c) 1994-2008 by SIL International
+ Copyright (c) 2009 by Jonathan Kew
+
+ SIL Author(s): Jonathan Kew
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the copyright holders
+shall not be used in advertising or otherwise to promote the sale,
+use or other dealings in this Software without prior written
+authorization from the copyright holders.
+\****************************************************************************/
+
+#ifndef __XeTeXswap_H
+#define __XeTeXswap_H
+
+#include <unicode/platform.h> // ICU's platform.h defines U_IS_BIG_ENDIAN for us
+
+static inline uint16_t
+SWAP16(const uint16_t p)
+{
+#if U_IS_BIG_ENDIAN
+ return p;
+#else
+ return (p >> 8) + (p << 8);
+#endif
+}
+
+static inline uint32_t
+SWAP32(const uint32_t p)
+{
+#if U_IS_BIG_ENDIAN
+ return p;
+#else
+ return (p >> 24) + ((p >> 8) & 0x0000ff00) + ((p << 8) & 0x00ff0000) + (p << 24);
+#endif
+}
+
+#ifdef __cplusplus
+static inline uint16_t
+SWAP(uint16_t p)
+{
+ return SWAP16(p);
+}
+
+static inline uint32_t
+SWAP(uint32_t p)
+{
+ return SWAP32(p);
+}
+
+static inline int16_t
+SWAP(int16_t p)
+{
+ return (int16_t)SWAP16((uint16_t)p);
+}
+
+static inline int32_t
+SWAP(int32_t p)
+{
+ return (int32_t)SWAP32((uint32_t)p);
+}
+#endif
+
+#endif