Initial import

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diff --git a/lzo/examples/portab.h b/lzo/examples/portab.h
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+/* portab.h -- portability layer
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   The LZO library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   The LZO 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the LZO library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+   http://www.oberhumer.com/opensource/lzo/
+ */
+
+
+#include "lzo/lzoconf.h"
+
+#if (LZO_CC_MSC && (_MSC_VER >= 1000 && _MSC_VER < 1200))
+   /* avoid `-W4' warnings in system header files */
+#  pragma warning(disable: 4201 4214 4514)
+#endif
+#if (LZO_CC_MSC && (_MSC_VER >= 1300))
+   /* avoid `-Wall' warnings in system header files */
+#  pragma warning(disable: 4163 4255 4820)
+   /* avoid warnings about inlining */
+#  pragma warning(disable: 4710 4711)
+#endif
+#if (LZO_CC_MSC && (_MSC_VER >= 1400))
+   /* avoid warnings when using "deprecated" POSIX functions */
+#  pragma warning(disable: 4996)
+#endif
+#if (LZO_CC_PELLESC && (__POCC__ >= 290))
+#  pragma warn(disable:2002)
+#endif
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+#if defined(__LZO_MMODEL_HUGE) || !(defined(LZO_LIBC_ISOC90) || defined(LZO_LIBC_ISOC99))
+
+#include "examples/portab_a.h"
+
+#else
+
+/* INFO:
+ *   The "portab_a.h" version above uses the ACC library to add
+ *   support for ancient systems (like 16-bit DOS) and to provide
+ *   some gimmicks like Windows high-resolution timers.
+ *   Still, on any halfway modern machine you can also use the
+ *   following pure ANSI-C code instead.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#if defined(CLK_TCK) && !defined(CLOCKS_PER_SEC)
+#  define CLOCKS_PER_SEC CLK_TCK
+#endif
+
+#if defined(WANT_LZO_MALLOC)
+#  define lzo_malloc(a)         (malloc(a))
+#  define lzo_free(a)           (free(a))
+#endif
+#if defined(WANT_LZO_FREAD)
+#  define lzo_fread(f,b,s)      (fread(b,1,s,f))
+#  define lzo_fwrite(f,b,s)     (fwrite(b,1,s,f))
+#endif
+#if defined(WANT_LZO_UCLOCK)
+#  define lzo_uclock_handle_t   int
+#  define lzo_uclock_t          double
+#  define lzo_uclock_open(a)    ((void)(a))
+#  define lzo_uclock_close(a)   ((void)(a))
+#  define lzo_uclock_read(a,b)  *(b) = (clock() / (double)(CLOCKS_PER_SEC))
+#  define lzo_uclock_get_elapsed(a,b,c) (*(c) - *(b))
+#endif
+#if defined(WANT_LZO_WILDARGV)
+#  define lzo_wildargv(a,b)     ((void)0)
+#endif
+
+#endif
+
+
+/*************************************************************************
+// misc
+**************************************************************************/
+
+/* turn on assertions */
+#undef NDEBUG
+#include <assert.h>
+
+/* just in case */
+#undef xmalloc
+#undef xfree
+#undef xread
+#undef xwrite
+#undef xputc
+#undef xgetc
+#undef xread32
+#undef xwrite32
+
+
+#if defined(WANT_LZO_UCLOCK)
+
+/* High quality benchmarking.
+ *
+ * Flush the CPU cache to get more accurate benchmark values.
+ * This needs custom kernel patches. As a result - in combination with
+ * the perfctr Linux kernel patches - accurate high-quality benchmarking
+ * is possible.
+ *
+ * All other methods (rdtsc, QueryPerformanceCounter, gettimeofday, ...)
+ * are completely unreliable for our purposes, and the only other
+ * option is to boot into a legacy single-task operating system
+ * like plain MSDOS and to directly reprogram the hardware clock.
+ * [The djgpp2 port of the gcc compiler has support functions for this.]
+ *
+ * Also, for embedded systems it's best to benchmark by using a
+ * CPU emulator/simulator software that can exactly count all
+ * virtual clock ticks.
+ */
+
+#if !defined(lzo_uclock_flush_cpu_cache)
+#  define lzo_uclock_flush_cpu_cache(h,flags)  ((void)(h))
+#endif
+
+#endif
+
+
+/*
+vi:ts=4:et
+*/
+