1 files changed, 64 insertions, 0 deletions
diff --git a/tools/ucl/src/getbit.h b/tools/ucl/src/getbit.h
new file mode 100644
index 0000000..be27254
--- /dev/null
+++ b/tools/ucl/src/getbit.h
@@ -0,0 +1,64 @@
+/* getbit.h -- bit-buffer access
+
+   This file is part of the UCL data compression library.
+
+   Copyright (C) 1996-2002 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   The UCL 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 UCL 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 UCL library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+   http://www.oberhumer.com/opensource/ucl/
+ */
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+#if 1
+#define getbit_8(bb, src, ilen) \
+    (((bb = bb & 0x7f ? bb*2 : ((unsigned)src[ilen++]*2+1)) >> 8) & 1)
+#elif 1
+#define getbit_8(bb, src, ilen) \
+    (bb*=2,bb&0xff ? (bb>>8)&1 : ((bb=src[ilen++]*2+1)>>8)&1)
+#else
+#define getbit_8(bb, src, ilen) \
+    (((bb*=2, (bb&0xff ? bb : (bb=src[ilen++]*2+1,bb))) >> 8) & 1)
+#endif
+
+
+#define getbit_le16(bb, src, ilen) \
+    (bb*=2,bb&0xffff ? (bb>>16)&1 : (ilen+=2,((bb=(src[ilen-2]+src[ilen-1]*256u)*2+1)>>16)&1))
+
+
+#if 1 && defined(UCL_UNALIGNED_OK_4) && (UCL_BYTE_ORDER == UCL_LITTLE_ENDIAN)
+#define getbit_le32(bb, bc, src, ilen) \
+    (bc > 0 ? ((bb>>--bc)&1) : (bc=31,\
+    bb=*(const ucl_uint32p)((src)+ilen),ilen+=4,(bb>>31)&1))
+#else
+#define getbit_le32(bb, bc, src, ilen) \
+    (bc > 0 ? ((bb>>--bc)&1) : (bc=31,\
+    bb=src[ilen]+src[ilen+1]*0x100+src[ilen+2]*UCL_UINT32_C(0x10000)+src[ilen+3]*UCL_UINT32_C(0x1000000),\
+    ilen+=4,(bb>>31)&1))
+#endif
+
+
+/*
+vi:ts=4:et
+*/
+