~drizzle-trunk/drizzle/development

540 by Monty Taylor
Moved drizzle_com to drizzled/drizzle_common. Started splitting it up.
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_KORR_H
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#define DRIZZLED_KORR_H
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/*
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 * Define-functions for reading and storing in machine independent format
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 * (low byte first)
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 *
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 * No one seems to know what "korr" means in this context. A global search
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 * and replace would be fine if someone can come up with a better description
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 */
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/* Optimized store functions for Intel x86 */
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#if defined(__i386__)
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#define sint2korr(A)	(*((int16_t *) (A)))
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#define sint3korr(A)	((int32_t) ((((unsigned char) (A)[2]) & 128) ?  \
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                                    (((uint32_t) 255L << 24) |          \
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                                     (((uint32_t) (unsigned char) (A)[2]) << 16) | \
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                                     (((uint32_t) (unsigned char) (A)[1]) << 8) | \
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                                     ((uint32_t) (unsigned char) (A)[0])) : \
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                                    (((uint32_t) (unsigned char) (A)[2]) << 16) | \
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                                    (((uint32_t) (unsigned char) (A)[1]) << 8) | \
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                                    ((uint32_t) (unsigned char) (A)[0])))
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#define sint4korr(A)	(*((long *) (A)))
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#define uint2korr(A)	(*((uint16_t *) (A)))
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#if defined(HAVE_purify)
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#define uint3korr(A)	(uint32_t) (((uint32_t) ((unsigned char) (A)[0])) +\
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				  (((uint32_t) ((unsigned char) (A)[1])) << 8) +\
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				  (((uint32_t) ((unsigned char) (A)[2])) << 16))
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#else
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/*
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   ATTENTION !
660.1.3 by Eric Herman
removed trailing whitespace with simple script:
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540 by Monty Taylor
Moved drizzle_com to drizzled/drizzle_common. Started splitting it up.
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    Please, note, uint3korr reads 4 bytes (not 3) !
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    It means, that you have to provide enough allocated space !
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*/
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#define uint3korr(A)	(long) (*((unsigned int *) (A)) & 0xFFFFFF)
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#endif /* HAVE_purify */
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#define uint4korr(A)	(*((uint32_t *) (A)))
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#define uint5korr(A)	((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) +\
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				    (((uint32_t) ((unsigned char) (A)[1])) << 8) +\
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				    (((uint32_t) ((unsigned char) (A)[2])) << 16) +\
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				    (((uint32_t) ((unsigned char) (A)[3])) << 24)) +\
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				    (((uint64_t) ((unsigned char) (A)[4])) << 32))
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#define uint6korr(A)	((uint64_t)(((uint32_t)    ((unsigned char) (A)[0]))          + \
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                                     (((uint32_t)    ((unsigned char) (A)[1])) << 8)   + \
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                                     (((uint32_t)    ((unsigned char) (A)[2])) << 16)  + \
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                                     (((uint32_t)    ((unsigned char) (A)[3])) << 24)) + \
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                         (((uint64_t) ((unsigned char) (A)[4])) << 32) +       \
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                         (((uint64_t) ((unsigned char) (A)[5])) << 40))
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#define uint8korr(A)	(*((uint64_t *) (A)))
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#define sint8korr(A)	(*((int64_t *) (A)))
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#define int2store(T,A)	*((uint16_t*) (T))= (uint16_t) (A)
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#define int3store(T,A)  do { *(T)=  (unsigned char) ((A));\
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                            *(T+1)=(unsigned char) (((uint32_t) (A) >> 8));\
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                            *(T+2)=(unsigned char) (((A) >> 16)); } while (0)
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#define int4store(T,A)	*((long *) (T))= (long) (A)
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#define int5store(T,A)  do { *(T)= (unsigned char)((A));\
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                             *((T)+1)=(unsigned char) (((A) >> 8));\
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                             *((T)+2)=(unsigned char) (((A) >> 16));\
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                             *((T)+3)=(unsigned char) (((A) >> 24)); \
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                             *((T)+4)=(unsigned char) (((A) >> 32)); } while(0)
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#define int6store(T,A)  do { *(T)=    (unsigned char)((A));          \
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                             *((T)+1)=(unsigned char) (((A) >> 8));  \
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                             *((T)+2)=(unsigned char) (((A) >> 16)); \
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                             *((T)+3)=(unsigned char) (((A) >> 24)); \
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                             *((T)+4)=(unsigned char) (((A) >> 32)); \
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                             *((T)+5)=(unsigned char) (((A) >> 40)); } while(0)
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#define int8store(T,A)	*((uint64_t *) (T))= (uint64_t) (A)
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typedef union {
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  double v;
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  long m[2];
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} doubleget_union;
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#define doubleget(V,M)	\
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do { doubleget_union _tmp; \
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     _tmp.m[0] = *((long*)(M)); \
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     _tmp.m[1] = *(((long*) (M))+1); \
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     (V) = _tmp.v; } while(0)
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#define doublestore(T,V) do { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
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			     *(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; \
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                         } while (0)
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#define float4get(V,M)   do { *((float *) &(V)) = *((float*) (M)); } while(0)
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#define float8get(V,M)   doubleget((V),(M))
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#define float4store(V,M) memcpy(V, (&M), sizeof(float))
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#define floatstore(T,V)  memcpy((T), (&V), sizeof(float))
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#define floatget(V,M)    memcpy(&V, (M), sizeof(float))
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#define float8store(V,M) doublestore((V),(M))
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#else
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/*
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  We're here if it's not a IA-32 architecture (Win32 and UNIX IA-32 defines
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  were done before)
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*/
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#define sint2korr(A)	(int16_t) (((int16_t) ((unsigned char) (A)[0])) +\
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				 ((int16_t) ((int16_t) (A)[1]) << 8))
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#define sint3korr(A)	((int32_t) ((((unsigned char) (A)[2]) & 128) ? \
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				  (((uint32_t) 255L << 24) | \
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				   (((uint32_t) (unsigned char) (A)[2]) << 16) |\
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				   (((uint32_t) (unsigned char) (A)[1]) << 8) | \
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				   ((uint32_t) (unsigned char) (A)[0])) : \
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				  (((uint32_t) (unsigned char) (A)[2]) << 16) |\
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				  (((uint32_t) (unsigned char) (A)[1]) << 8) | \
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				  ((uint32_t) (unsigned char) (A)[0])))
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#define sint4korr(A)	(int32_t) (((int32_t) ((unsigned char) (A)[0])) +\
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				(((int32_t) ((unsigned char) (A)[1]) << 8)) +\
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				(((int32_t) ((unsigned char) (A)[2]) << 16)) +\
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				(((int32_t) ((int16_t) (A)[3]) << 24)))
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#define sint8korr(A)	(int64_t) uint8korr(A)
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#define uint2korr(A)	(uint16_t) (((uint16_t) ((unsigned char) (A)[0])) +\
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				  ((uint16_t) ((unsigned char) (A)[1]) << 8))
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#define uint3korr(A)	(uint32_t) (((uint32_t) ((unsigned char) (A)[0])) +\
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				  (((uint32_t) ((unsigned char) (A)[1])) << 8) +\
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				  (((uint32_t) ((unsigned char) (A)[2])) << 16))
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#define uint4korr(A)	(uint32_t) (((uint32_t) ((unsigned char) (A)[0])) +\
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				  (((uint32_t) ((unsigned char) (A)[1])) << 8) +\
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				  (((uint32_t) ((unsigned char) (A)[2])) << 16) +\
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				  (((uint32_t) ((unsigned char) (A)[3])) << 24))
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#define uint5korr(A)	((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) +\
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				    (((uint32_t) ((unsigned char) (A)[1])) << 8) +\
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				    (((uint32_t) ((unsigned char) (A)[2])) << 16) +\
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				    (((uint32_t) ((unsigned char) (A)[3])) << 24)) +\
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				    (((uint64_t) ((unsigned char) (A)[4])) << 32))
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#define uint6korr(A)	((uint64_t)(((uint32_t)    ((unsigned char) (A)[0]))          + \
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                                     (((uint32_t)    ((unsigned char) (A)[1])) << 8)   + \
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                                     (((uint32_t)    ((unsigned char) (A)[2])) << 16)  + \
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                                     (((uint32_t)    ((unsigned char) (A)[3])) << 24)) + \
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                         (((uint64_t) ((unsigned char) (A)[4])) << 32) +       \
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                         (((uint64_t) ((unsigned char) (A)[5])) << 40))
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#define uint8korr(A)	((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) +\
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				    (((uint32_t) ((unsigned char) (A)[1])) << 8) +\
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				    (((uint32_t) ((unsigned char) (A)[2])) << 16) +\
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				    (((uint32_t) ((unsigned char) (A)[3])) << 24)) +\
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			(((uint64_t) (((uint32_t) ((unsigned char) (A)[4])) +\
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				    (((uint32_t) ((unsigned char) (A)[5])) << 8) +\
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				    (((uint32_t) ((unsigned char) (A)[6])) << 16) +\
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				    (((uint32_t) ((unsigned char) (A)[7])) << 24))) <<\
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				    32))
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#define int2store(T,A)       do { uint32_t def_temp= (uint32_t) (A) ;\
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                                  *((unsigned char*) (T))=  (unsigned char)(def_temp); \
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                                   *((unsigned char*) (T)+1)=(unsigned char)((def_temp >> 8)); \
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                             } while(0)
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#define int3store(T,A)       do { /*lint -save -e734 */\
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                                  *((unsigned char*)(T))=(unsigned char) ((A));\
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                                  *((unsigned char*) (T)+1)=(unsigned char) (((A) >> 8));\
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                                  *((unsigned char*)(T)+2)=(unsigned char) (((A) >> 16)); \
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                                  /*lint -restore */} while(0)
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#define int4store(T,A)       do { *((char *)(T))=(char) ((A));\
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                                  *(((char *)(T))+1)=(char) (((A) >> 8));\
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                                  *(((char *)(T))+2)=(char) (((A) >> 16));\
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                                  *(((char *)(T))+3)=(char) (((A) >> 24)); } while(0)
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#define int5store(T,A)       do { *((char *)(T))=     (char)((A));  \
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                                  *(((char *)(T))+1)= (char)(((A) >> 8)); \
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                                  *(((char *)(T))+2)= (char)(((A) >> 16)); \
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                                  *(((char *)(T))+3)= (char)(((A) >> 24)); \
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                                  *(((char *)(T))+4)= (char)(((A) >> 32)); \
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		                } while(0)
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#define int6store(T,A)       do { *((char *)(T))=     (char)((A)); \
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                                  *(((char *)(T))+1)= (char)(((A) >> 8)); \
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                                  *(((char *)(T))+2)= (char)(((A) >> 16)); \
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                                  *(((char *)(T))+3)= (char)(((A) >> 24)); \
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                                  *(((char *)(T))+4)= (char)(((A) >> 32)); \
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                                  *(((char *)(T))+5)= (char)(((A) >> 40)); \
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                                } while(0)
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#define int8store(T,A)       do { uint32_t def_temp= (uint32_t) (A), def_temp2= (uint32_t) ((A) >> 32); \
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                                  int4store((T),def_temp); \
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                                  int4store((T+4),def_temp2); } while(0)
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#ifdef WORDS_BIGENDIAN
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#define float4store(T,A) do { *(T)= ((unsigned char *) &A)[3];\
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                              *((T)+1)=(char) ((unsigned char *) &A)[2];\
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                              *((T)+2)=(char) ((unsigned char *) &A)[1];\
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                              *((T)+3)=(char) ((unsigned char *) &A)[0]; } while(0)
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#define float4get(V,M)   do { float def_temp;\
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                              ((unsigned char*) &def_temp)[0]=(M)[3];\
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                              ((unsigned char*) &def_temp)[1]=(M)[2];\
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                              ((unsigned char*) &def_temp)[2]=(M)[1];\
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                              ((unsigned char*) &def_temp)[3]=(M)[0];\
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                              (V)=def_temp; } while(0)
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#define float8store(T,V) do { *(T)= ((unsigned char *) &V)[7];\
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                              *((T)+1)=(char) ((unsigned char *) &V)[6];\
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                              *((T)+2)=(char) ((unsigned char *) &V)[5];\
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                              *((T)+3)=(char) ((unsigned char *) &V)[4];\
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                              *((T)+4)=(char) ((unsigned char *) &V)[3];\
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                              *((T)+5)=(char) ((unsigned char *) &V)[2];\
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                              *((T)+6)=(char) ((unsigned char *) &V)[1];\
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                              *((T)+7)=(char) ((unsigned char *) &V)[0]; } while(0)
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#define float8get(V,M)   do { double def_temp;\
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                              ((unsigned char*) &def_temp)[0]=(M)[7];\
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                              ((unsigned char*) &def_temp)[1]=(M)[6];\
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                              ((unsigned char*) &def_temp)[2]=(M)[5];\
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                              ((unsigned char*) &def_temp)[3]=(M)[4];\
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                              ((unsigned char*) &def_temp)[4]=(M)[3];\
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                              ((unsigned char*) &def_temp)[5]=(M)[2];\
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                              ((unsigned char*) &def_temp)[6]=(M)[1];\
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                              ((unsigned char*) &def_temp)[7]=(M)[0];\
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                              (V) = def_temp; } while(0)
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#else
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#define float4get(V,M)   memcpy(&V, (M), sizeof(float))
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#define float4store(V,M) memcpy(V, (&M), sizeof(float))
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#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
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#define doublestore(T,V) do { *(((char*)T)+0)=(char) ((unsigned char *) &V)[4];\
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                              *(((char*)T)+1)=(char) ((unsigned char *) &V)[5];\
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                              *(((char*)T)+2)=(char) ((unsigned char *) &V)[6];\
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                              *(((char*)T)+3)=(char) ((unsigned char *) &V)[7];\
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                              *(((char*)T)+4)=(char) ((unsigned char *) &V)[0];\
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                              *(((char*)T)+5)=(char) ((unsigned char *) &V)[1];\
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                              *(((char*)T)+6)=(char) ((unsigned char *) &V)[2];\
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                              *(((char*)T)+7)=(char) ((unsigned char *) &V)[3]; }\
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                         while(0)
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#define doubleget(V,M)   do { double def_temp;\
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                              ((unsigned char*) &def_temp)[0]=(M)[4];\
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                              ((unsigned char*) &def_temp)[1]=(M)[5];\
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                              ((unsigned char*) &def_temp)[2]=(M)[6];\
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                              ((unsigned char*) &def_temp)[3]=(M)[7];\
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                              ((unsigned char*) &def_temp)[4]=(M)[0];\
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                              ((unsigned char*) &def_temp)[5]=(M)[1];\
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                              ((unsigned char*) &def_temp)[6]=(M)[2];\
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                              ((unsigned char*) &def_temp)[7]=(M)[3];\
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                              (V) = def_temp; } while(0)
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#endif /* __FLOAT_WORD_ORDER */
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#define float8get(V,M)   doubleget((V),(M))
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#define float8store(V,M) doublestore((V),(M))
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#endif /* WORDS_BIGENDIAN */
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#endif /* __i386__ */
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/*
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  Macro for reading 32-bit integer from network byte order (big-endian)
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  from unaligned memory location.
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*/
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#define int4net(A)        (int32_t) (((uint32_t) ((unsigned char) (A)[3]))        |\
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				  (((uint32_t) ((unsigned char) (A)[2])) << 8)  |\
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				  (((uint32_t) ((unsigned char) (A)[1])) << 16) |\
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				  (((uint32_t) ((unsigned char) (A)[0])) << 24))
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/*
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  Define-funktions for reading and storing in machine format from/to
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  short/long to/from some place in memory V should be a (not
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  register) variable, M is a pointer to byte
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*/
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#ifdef WORDS_BIGENDIAN
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#define ushortget(V,M)  do { V = (uint16_t) (((uint16_t) ((unsigned char) (M)[1]))+\
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                                 ((uint16_t) ((uint16_t) (M)[0]) << 8)); } while(0)
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#define shortget(V,M)   do { V = (short) (((short) ((unsigned char) (M)[1]))+\
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                                 ((short) ((short) (M)[0]) << 8)); } while(0)
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#define longget(V,M)    do { int32_t def_temp;\
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                             ((unsigned char*) &def_temp)[0]=(M)[0];\
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                             ((unsigned char*) &def_temp)[1]=(M)[1];\
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                             ((unsigned char*) &def_temp)[2]=(M)[2];\
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                             ((unsigned char*) &def_temp)[3]=(M)[3];\
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                             (V)=def_temp; } while(0)
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#define ulongget(V,M)   do { uint32_t def_temp;\
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                            ((unsigned char*) &def_temp)[0]=(M)[0];\
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                            ((unsigned char*) &def_temp)[1]=(M)[1];\
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                            ((unsigned char*) &def_temp)[2]=(M)[2];\
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                            ((unsigned char*) &def_temp)[3]=(M)[3];\
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                            (V)=def_temp; } while(0)
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#define shortstore(T,A) do { uint32_t def_temp=(uint32_t) (A) ;\
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                             *(((char*)T)+1)=(char)(def_temp); \
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                             *(((char*)T)+0)=(char)(def_temp >> 8); } while(0)
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#define longstore(T,A)  do { *(((char*)T)+3)=((A));\
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                             *(((char*)T)+2)=(((A) >> 8));\
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                             *(((char*)T)+1)=(((A) >> 16));\
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                             *(((char*)T)+0)=(((A) >> 24)); } while(0)
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#define floatget(V,M)     memcpy(&V, (M), sizeof(float))
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#define floatstore(T, V)   memcpy((T), (&V), sizeof(float))
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#define doubleget(V, M)	  memcpy(&V, (M), sizeof(double))
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#define doublestore(T, V)  memcpy((T), &V, sizeof(double))
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#define int64_tget(V, M)   memcpy(&V, (M), sizeof(uint64_t))
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#define int64_tstore(T, V) memcpy((T), &V, sizeof(uint64_t))
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#else
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#define ushortget(V,M)	do { V = uint2korr(M); } while(0)
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#define shortget(V,M)	do { V = sint2korr(M); } while(0)
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#define longget(V,M)	do { V = sint4korr(M); } while(0)
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#define ulongget(V,M)   do { V = uint4korr(M); } while(0)
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#define shortstore(T,V) int2store(T,V)
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#define longstore(T,V)	int4store(T,V)
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#ifndef floatstore
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#define floatstore(T,V)   memcpy((T), (&V), sizeof(float))
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#define floatget(V,M)     memcpy(&V, (M), sizeof(float))
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#endif
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#ifndef doubleget
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#define doubleget(V, M)	  memcpy(&V, (M), sizeof(double))
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#define doublestore(T,V)  memcpy((T), &V, sizeof(double))
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#endif /* doubleget */
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#define int64_tget(V,M)   memcpy(&V, (M), sizeof(uint64_t))
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#define int64_tstore(T,V) memcpy((T), &V, sizeof(uint64_t))
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#endif /* WORDS_BIGENDIAN */
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#endif /* DRIZZLED_KORR_H */