summaryrefslogtreecommitdiff
path: root/ics-openvpn-stripped/main/lzo/src/lzo_init.c
diff options
context:
space:
mode:
authorParménides GV <parmegv@sdf.org>2014-07-31 12:09:49 +0200
committerParménides GV <parmegv@sdf.org>2014-07-31 12:09:49 +0200
commit0393ba6656ce6cf679a2c4663275b3ed0f1a34b9 (patch)
treef000311e97598ab3fc42e2bea23e6cb342ad166c /ics-openvpn-stripped/main/lzo/src/lzo_init.c
parentb28eeb08e8ec3baafdd9388cc5b70c6c84db9cf1 (diff)
Updated ics-openvpn to rev 859 + no 2nd notification.
Diffstat (limited to 'ics-openvpn-stripped/main/lzo/src/lzo_init.c')
-rw-r--r--ics-openvpn-stripped/main/lzo/src/lzo_init.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/ics-openvpn-stripped/main/lzo/src/lzo_init.c b/ics-openvpn-stripped/main/lzo/src/lzo_init.c
new file mode 100644
index 00000000..4128a602
--- /dev/null
+++ b/ics-openvpn-stripped/main/lzo/src/lzo_init.c
@@ -0,0 +1,225 @@
+/* lzo_init.c -- initialization of the LZO library
+
+ This file is part of the LZO real-time data compression library.
+
+ Copyright (C) 1996-2014 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 LZO_WANT_ACC_CHK_CH 1
+#undef LZOCHK_ASSERT
+#include "lzo_supp.h"
+
+ LZOCHK_ASSERT((LZO_UINT32_C(1) << (int)(8*sizeof(LZO_UINT32_C(1))-1)) > 0)
+ LZOCHK_ASSERT_IS_SIGNED_T(lzo_int)
+ LZOCHK_ASSERT_IS_UNSIGNED_T(lzo_uint)
+#if !(__LZO_UINTPTR_T_IS_POINTER)
+ LZOCHK_ASSERT_IS_UNSIGNED_T(lzo_uintptr_t)
+#endif
+ LZOCHK_ASSERT(sizeof(lzo_uintptr_t) >= sizeof(lzo_voidp))
+ LZOCHK_ASSERT_IS_UNSIGNED_T(lzo_xint)
+
+#endif
+#undef LZOCHK_ASSERT
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+union lzo_config_check_union {
+ lzo_uint a[2];
+ unsigned char b[2*LZO_MAX(8,sizeof(lzo_uint))];
+#if defined(lzo_uint64_t)
+ lzo_uint64_t c[2];
+#endif
+};
+
+
+#if 0
+#define u2p(ptr,off) ((lzo_voidp) (((lzo_bytep)(lzo_voidp)(ptr)) + (off)))
+#else
+static __lzo_noinline lzo_voidp u2p(lzo_voidp ptr, lzo_uint off)
+{
+ return (lzo_voidp) ((lzo_bytep) ptr + off);
+}
+#endif
+
+
+LZO_PUBLIC(int)
+_lzo_config_check(void)
+{
+#if (LZO_CC_CLANG && (LZO_CC_CLANG >= 0x030100ul && LZO_CC_CLANG < 0x030300ul))
+# if 0
+ /* work around a clang 3.1 and clang 3.2 compiler bug; clang 3.3 and 3.4 work */
+ volatile
+# endif
+#endif
+ union lzo_config_check_union u;
+ lzo_voidp p;
+ unsigned r = 1;
+
+ u.a[0] = u.a[1] = 0;
+ p = u2p(&u, 0);
+ r &= ((* (lzo_bytep) p) == 0);
+#if !(LZO_CFG_NO_CONFIG_CHECK)
+#if (LZO_ABI_BIG_ENDIAN)
+ u.a[0] = u.a[1] = 0; u.b[sizeof(lzo_uint) - 1] = 128;
+ p = u2p(&u, 0);
+ r &= ((* (lzo_uintp) p) == 128);
+#endif
+#if (LZO_ABI_LITTLE_ENDIAN)
+ u.a[0] = u.a[1] = 0; u.b[0] = 128;
+ p = u2p(&u, 0);
+ r &= ((* (lzo_uintp) p) == 128);
+#endif
+ u.a[0] = u.a[1] = 0;
+ u.b[0] = 1; u.b[3] = 2;
+ p = u2p(&u, 1);
+ r &= UA_GET_NE16(p) == 0;
+ r &= UA_GET_LE16(p) == 0;
+ u.b[1] = 128;
+ r &= UA_GET_LE16(p) == 128;
+ u.a[0] = u.a[1] = 0;
+ u.b[0] = 3; u.b[5] = 4;
+ p = u2p(&u, 1);
+ r &= UA_GET_NE32(p) == 0;
+ r &= UA_GET_LE32(p) == 0;
+ u.b[1] = 128;
+ r &= UA_GET_LE32(p) == 128;
+#if defined(UA_GET_NE64)
+ u.c[0] = u.c[1] = 0;
+ u.b[0] = 5; u.b[9] = 6;
+ p = u2p(&u, 1);
+ u.c[0] = u.c[1] = 0;
+ r &= UA_GET_NE64(p) == 0;
+#if defined(UA_GET_LE64)
+ r &= UA_GET_LE64(p) == 0;
+ u.b[1] = 128;
+ r &= UA_GET_LE64(p) == 128;
+#endif
+#endif
+#if defined(lzo_bitops_ctlz32)
+ { unsigned i = 0; lzo_uint32_t v;
+ for (v = 1; v != 0 && r == 1; v <<= 1, i++) {
+ r &= lzo_bitops_ctlz32(v) == 31 - i;
+ r &= lzo_bitops_ctlz32_func(v) == 31 - i;
+ }}
+#endif
+#if defined(lzo_bitops_ctlz64)
+ { unsigned i = 0; lzo_uint64_t v;
+ for (v = 1; v != 0 && r == 1; v <<= 1, i++) {
+ r &= lzo_bitops_ctlz64(v) == 63 - i;
+ r &= lzo_bitops_ctlz64_func(v) == 63 - i;
+ }}
+#endif
+#if defined(lzo_bitops_cttz32)
+ { unsigned i = 0; lzo_uint32_t v;
+ for (v = 1; v != 0 && r == 1; v <<= 1, i++) {
+ r &= lzo_bitops_cttz32(v) == i;
+ r &= lzo_bitops_cttz32_func(v) == i;
+ }}
+#endif
+#if defined(lzo_bitops_cttz64)
+ { unsigned i = 0; lzo_uint64_t v;
+ for (v = 1; v != 0 && r == 1; v <<= 1, i++) {
+ r &= lzo_bitops_cttz64(v) == i;
+ r &= lzo_bitops_cttz64_func(v) == i;
+ }}
+#endif
+#endif
+ LZO_UNUSED_FUNC(lzo_bitops_unused_funcs);
+
+ return r == 1 ? LZO_E_OK : LZO_E_ERROR;
+}
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+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 LZO_WANT_ACC_CHK_CH 1
+#undef LZOCHK_ASSERT
+#define LZOCHK_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr)
+#include "lzo_supp.h"
+#endif
+#undef LZOCHK_ASSERT
+
+ 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_t)) &&
+ (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
+*/