Initial import

1 files changed, 176 insertions, 0 deletions

diff --git a/lzo/src/lzo_init.c b/lzo/src/lzo_init.c
new file mode 100644
index 00000000..6977891d
--- /dev/null
+++ b/lzo/src/lzo_init.c
@@ -0,0 +1,176 @@
+/* lzo_init.c -- initialization of the LZO library
+
+   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_conf.h"
+
+
+/***********************************************************************
+// Runtime check of the assumptions about the size of builtin types,
+// memory model, byte order and other low-level constructs.
+//
+// We are really paranoid here - LZO should either fail
+// at startup or not at all.
+//
+// Because of inlining much of these functions evaluates to nothing.
+//
+// And while many of the tests seem highly obvious and redundant they are
+// here to catch compiler/optimizer bugs. Yes, these do exist.
+************************************************************************/
+
+#if !defined(__LZO_IN_MINILZO)
+
+#define ACC_WANT_ACC_CHK_CH 1
+#undef ACCCHK_ASSERT
+#include "miniacc.h"
+
+    ACCCHK_ASSERT_IS_SIGNED_T(lzo_int)
+    ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uint)
+
+    ACCCHK_ASSERT_IS_SIGNED_T(lzo_int32)
+    ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uint32)
+    ACCCHK_ASSERT((LZO_UINT32_C(1) << (int)(8*sizeof(LZO_UINT32_C(1))-1)) > 0)
+    ACCCHK_ASSERT(sizeof(lzo_uint32) >= 4)
+
+#if !defined(__LZO_UINTPTR_T_IS_POINTER)
+    ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_uintptr_t)
+#endif
+    ACCCHK_ASSERT(sizeof(lzo_uintptr_t) >= sizeof(lzo_voidp))
+
+    ACCCHK_ASSERT_IS_UNSIGNED_T(lzo_xint)
+    ACCCHK_ASSERT(sizeof(lzo_xint) >= sizeof(lzo_uint32))
+    ACCCHK_ASSERT(sizeof(lzo_xint) >= sizeof(lzo_uint))
+    ACCCHK_ASSERT(sizeof(lzo_xint) == sizeof(lzo_uint32) || sizeof(lzo_xint) == sizeof(lzo_uint))
+
+#endif
+#undef ACCCHK_ASSERT
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+LZO_PUBLIC(int)
+_lzo_config_check(void)
+{
+    lzo_bool r = 1;
+    union { unsigned char c[2*sizeof(lzo_xint)]; lzo_xint l[2]; } u;
+    lzo_uintptr_t p;
+
+#if !defined(LZO_CFG_NO_CONFIG_CHECK)
+#if defined(LZO_ABI_BIG_ENDIAN)
+    u.l[0] = u.l[1] = 0; u.c[sizeof(lzo_xint) - 1] = 128;
+    r &= (u.l[0] == 128);
+#endif
+#if defined(LZO_ABI_LITTLE_ENDIAN)
+    u.l[0] = u.l[1] = 0; u.c[0] = 128;
+    r &= (u.l[0] == 128);
+#endif
+#if defined(LZO_UNALIGNED_OK_2)
+    p = (lzo_uintptr_t) (const lzo_voidp) &u.c[0];
+    u.l[0] = u.l[1] = 0;
+    r &= ((* (const lzo_ushortp) (p+1)) == 0);
+#endif
+#if defined(LZO_UNALIGNED_OK_4)
+    p = (lzo_uintptr_t) (const lzo_voidp) &u.c[0];
+    u.l[0] = u.l[1] = 0;
+    r &= ((* (const lzo_uint32p) (p+1)) == 0);
+#endif
+#endif
+
+    LZO_UNUSED(u); LZO_UNUSED(p);
+    return r == 1 ? LZO_E_OK : LZO_E_ERROR;
+}
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+int __lzo_init_done = 0;
+
+LZO_PUBLIC(int)
+__lzo_init_v2(unsigned v, int s1, int s2, int s3, int s4, int s5,
+                          int s6, int s7, int s8, int s9)
+{
+    int r;
+
+#if defined(__LZO_IN_MINILZO)
+#elif (LZO_CC_MSC && ((_MSC_VER) < 700))
+#else
+#define ACC_WANT_ACC_CHK_CH 1
+#undef ACCCHK_ASSERT
+#define ACCCHK_ASSERT(expr)  LZO_COMPILE_TIME_ASSERT(expr)
+#include "miniacc.h"
+#endif
+#undef ACCCHK_ASSERT
+
+    __lzo_init_done = 1;
+
+    if (v == 0)
+        return LZO_E_ERROR;
+
+    r = (s1 == -1 || s1 == (int) sizeof(short)) &&
+        (s2 == -1 || s2 == (int) sizeof(int)) &&
+        (s3 == -1 || s3 == (int) sizeof(long)) &&
+        (s4 == -1 || s4 == (int) sizeof(lzo_uint32)) &&
+        (s5 == -1 || s5 == (int) sizeof(lzo_uint)) &&
+        (s6 == -1 || s6 == (int) lzo_sizeof_dict_t) &&
+        (s7 == -1 || s7 == (int) sizeof(char *)) &&
+        (s8 == -1 || s8 == (int) sizeof(lzo_voidp)) &&
+        (s9 == -1 || s9 == (int) sizeof(lzo_callback_t));
+    if (!r)
+        return LZO_E_ERROR;
+
+    r = _lzo_config_check();
+    if (r != LZO_E_OK)
+        return r;
+
+    return r;
+}
+
+
+#if !defined(__LZO_IN_MINILZO)
+#include "lzo_dll.ch"
+#endif
+
+
+/*
+vi:ts=4:et
+*/