mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-10-19 08:47:09 +03:00
230 lines
9.0 KiB
C
230 lines
9.0 KiB
C
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/* Copyright (C) 2000 MySQL AB
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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; either version 2 of the License, or
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(at your option) any later version.
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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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Storing of values in high byte first order.
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integer keys and file pointers are stored with high byte first to get
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better compression
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*/
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#define mi_sint2korr(A) (int16) (((int16) ((uchar) (A)[1])) +\
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((int16) ((int16) (A)[0]) << 8))
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#define mi_sint3korr(A) ((int32) ((((uchar) (A)[0]) & 128) ? \
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(((uint32) 255L << 24) | \
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(((uint32) (uchar) (A)[0]) << 16) |\
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(((uint32) (uchar) (A)[1]) << 8) | \
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((uint32) (uchar) (A)[2])) : \
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(((uint32) (uchar) (A)[0]) << 16) |\
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(((uint32) (uchar) (A)[1]) << 8) | \
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((uint32) (uchar) (A)[2])))
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#define mi_sint4korr(A) (int32) (((int32) ((uchar) (A)[3])) +\
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(((int32) ((uchar) (A)[2]) << 8)) +\
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(((int32) ((uchar) (A)[1]) << 16)) +\
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(((int32) ((int16) (A)[0]) << 24)))
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#define mi_sint8korr(A) (longlong) mi_uint8korr(A)
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#define mi_uint2korr(A) (uint16) (((uint16) ((uchar) (A)[1])) +\
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((uint16) ((uchar) (A)[0]) << 8))
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#define mi_uint3korr(A) (uint32) (((uint32) ((uchar) (A)[2])) +\
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(((uint32) ((uchar) (A)[1])) << 8) +\
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(((uint32) ((uchar) (A)[0])) << 16))
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#define mi_uint4korr(A) (uint32) (((uint32) ((uchar) (A)[3])) +\
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(((uint32) ((uchar) (A)[2])) << 8) +\
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(((uint32) ((uchar) (A)[1])) << 16) +\
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(((uint32) ((uchar) (A)[0])) << 24))
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#define mi_uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[4])) +\
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(((uint32) ((uchar) (A)[3])) << 8) +\
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(((uint32) ((uchar) (A)[2])) << 16) +\
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(((uint32) ((uchar) (A)[1])) << 24)) +\
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(((ulonglong) ((uchar) (A)[0])) << 32))
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#define mi_uint6korr(A) ((ulonglong)(((uint32) ((uchar) (A)[5])) +\
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(((uint32) ((uchar) (A)[4])) << 8) +\
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(((uint32) ((uchar) (A)[3])) << 16) +\
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(((uint32) ((uchar) (A)[2])) << 24)) +\
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(((ulonglong) (((uint32) ((uchar) (A)[1])) +\
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(((uint32) ((uchar) (A)[0]) << 8)))) <<\
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32))
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#define mi_uint7korr(A) ((ulonglong)(((uint32) ((uchar) (A)[6])) +\
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(((uint32) ((uchar) (A)[5])) << 8) +\
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(((uint32) ((uchar) (A)[4])) << 16) +\
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(((uint32) ((uchar) (A)[3])) << 24)) +\
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(((ulonglong) (((uint32) ((uchar) (A)[2])) +\
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(((uint32) ((uchar) (A)[1])) << 8) +\
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(((uint32) ((uchar) (A)[0])) << 16))) <<\
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32))
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#define mi_uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[7])) +\
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(((uint32) ((uchar) (A)[6])) << 8) +\
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(((uint32) ((uchar) (A)[5])) << 16) +\
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(((uint32) ((uchar) (A)[4])) << 24)) +\
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(((ulonglong) (((uint32) ((uchar) (A)[3])) +\
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(((uint32) ((uchar) (A)[2])) << 8) +\
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(((uint32) ((uchar) (A)[1])) << 16) +\
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(((uint32) ((uchar) (A)[0])) << 24))) <<\
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32))
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#define mi_int2store(T,A) { uint def_temp= (uint) (A) ;\
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*((uchar*) ((T)+1))= (uchar)(def_temp); \
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*((uchar*) ((T)+0))= (uchar)(def_temp >> 8); }
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#define mi_int3store(T,A) { /*lint -save -e734 */\
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ulong def_temp= (ulong) (A);\
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*(((T)+2))=(char) (def_temp);\
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*((T)+1)= (char) (def_temp >> 8);\
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*((T)+0)= (char) (def_temp >> 16);\
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/*lint -restore */}
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#define mi_int4store(T,A) { ulong def_temp= (ulong) (A);\
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*((T)+3)=(char) (def_temp);\
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*((T)+2)=(char) (def_temp >> 8);\
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*((T)+1)=(char) (def_temp >> 16);\
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*((T)+0)=(char) (def_temp >> 24); }
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#define mi_int5store(T,A) { ulong def_temp= (ulong) (A),\
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def_temp2= (ulong) ((A) >> 32);\
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*((T)+4)=(char) (def_temp);\
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*((T)+3)=(char) (def_temp >> 8);\
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*((T)+2)=(char) (def_temp >> 16);\
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*((T)+1)=(char) (def_temp >> 24);\
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*((T)+0)=(char) (def_temp2); }
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#define mi_int6store(T,A) { ulong def_temp= (ulong) (A),\
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def_temp2= (ulong) ((A) >> 32);\
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*((T)+5)=(char) (def_temp);\
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*((T)+4)=(char) (def_temp >> 8);\
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*((T)+3)=(char) (def_temp >> 16);\
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*((T)+2)=(char) (def_temp >> 24);\
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*((T)+1)=(char) (def_temp2);\
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*((T)+0)=(char) (def_temp2 >> 8); }
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#define mi_int7store(T,A) { ulong def_temp= (ulong) (A),\
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def_temp2= (ulong) ((A) >> 32);\
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*((T)+6)=(char) (def_temp);\
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*((T)+5)=(char) (def_temp >> 8);\
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*((T)+4)=(char) (def_temp >> 16);\
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*((T)+3)=(char) (def_temp >> 24);\
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*((T)+2)=(char) (def_temp2);\
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*((T)+1)=(char) (def_temp2 >> 8);\
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*((T)+0)=(char) (def_temp2 >> 16); }
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#define mi_int8store(T,A) { ulong def_temp3= (ulong) (A), \
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def_temp4= (ulong) ((A) >> 32); \
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mi_int4store((T),def_temp4); \
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mi_int4store((T+4),def_temp3); \
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}
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#ifdef WORDS_BIGENDIAN
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#define mi_float4store(T,A) { *(T)= ((byte *) &A)[0];\
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*((T)+1)=(char) ((byte *) &A)[1];\
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*((T)+2)=(char) ((byte *) &A)[2];\
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*((T)+3)=(char) ((byte *) &A)[3]; }
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#define mi_float4get(V,M) { float def_temp;\
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((byte*) &def_temp)[0]=(M)[0];\
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((byte*) &def_temp)[1]=(M)[1];\
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((byte*) &def_temp)[2]=(M)[2];\
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((byte*) &def_temp)[3]=(M)[3];\
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(V)=def_temp; }
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#define mi_float8store(T,V) { *(T)= ((byte *) &V)[0];\
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*((T)+1)=(char) ((byte *) &V)[1];\
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*((T)+2)=(char) ((byte *) &V)[2];\
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*((T)+3)=(char) ((byte *) &V)[3];\
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*((T)+4)=(char) ((byte *) &V)[4];\
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*((T)+5)=(char) ((byte *) &V)[5];\
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*((T)+6)=(char) ((byte *) &V)[6];\
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*((T)+7)=(char) ((byte *) &V)[7]; }
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#define mi_float8get(V,M) { double def_temp;\
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((byte*) &def_temp)[0]=(M)[0];\
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((byte*) &def_temp)[1]=(M)[1];\
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((byte*) &def_temp)[2]=(M)[2];\
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((byte*) &def_temp)[3]=(M)[3];\
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((byte*) &def_temp)[4]=(M)[4];\
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((byte*) &def_temp)[5]=(M)[5];\
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((byte*) &def_temp)[6]=(M)[6];\
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((byte*) &def_temp)[7]=(M)[7]; \
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(V)=def_temp; }
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#else
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#define mi_float4store(T,A) { *(T)= ((byte *) &A)[3];\
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*((T)+1)=(char) ((byte *) &A)[2];\
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*((T)+2)=(char) ((byte *) &A)[1];\
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*((T)+3)=(char) ((byte *) &A)[0]; }
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#define mi_float4get(V,M) { float def_temp;\
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((byte*) &def_temp)[0]=(M)[3];\
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((byte*) &def_temp)[1]=(M)[2];\
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((byte*) &def_temp)[2]=(M)[1];\
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((byte*) &def_temp)[3]=(M)[0];\
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(V)=def_temp; }
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#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
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#define mi_float8store(T,V) { *(T)= ((byte *) &V)[3];\
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*((T)+1)=(char) ((byte *) &V)[2];\
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*((T)+2)=(char) ((byte *) &V)[1];\
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*((T)+3)=(char) ((byte *) &V)[0];\
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*((T)+4)=(char) ((byte *) &V)[7];\
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*((T)+5)=(char) ((byte *) &V)[6];\
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*((T)+6)=(char) ((byte *) &V)[5];\
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*((T)+7)=(char) ((byte *) &V)[4];}
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#define mi_float8get(V,M) { double def_temp;\
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((byte*) &def_temp)[0]=(M)[3];\
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((byte*) &def_temp)[1]=(M)[2];\
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((byte*) &def_temp)[2]=(M)[1];\
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((byte*) &def_temp)[3]=(M)[0];\
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((byte*) &def_temp)[4]=(M)[7];\
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((byte*) &def_temp)[5]=(M)[6];\
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((byte*) &def_temp)[6]=(M)[5];\
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((byte*) &def_temp)[7]=(M)[4];\
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(V)=def_temp; }
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#else
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#define mi_float8store(T,V) { *(T)= ((byte *) &V)[7];\
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*((T)+1)=(char) ((byte *) &V)[6];\
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*((T)+2)=(char) ((byte *) &V)[5];\
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*((T)+3)=(char) ((byte *) &V)[4];\
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*((T)+4)=(char) ((byte *) &V)[3];\
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*((T)+5)=(char) ((byte *) &V)[2];\
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*((T)+6)=(char) ((byte *) &V)[1];\
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*((T)+7)=(char) ((byte *) &V)[0];}
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#define mi_float8get(V,M) { double def_temp;\
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((byte*) &def_temp)[0]=(M)[7];\
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((byte*) &def_temp)[1]=(M)[6];\
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((byte*) &def_temp)[2]=(M)[5];\
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((byte*) &def_temp)[3]=(M)[4];\
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((byte*) &def_temp)[4]=(M)[3];\
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((byte*) &def_temp)[5]=(M)[2];\
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((byte*) &def_temp)[6]=(M)[1];\
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((byte*) &def_temp)[7]=(M)[0];\
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(V)=def_temp; }
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#endif /* __FLOAT_WORD_ORDER */
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#endif /* WORDS_BIGENDIAN */
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/* Fix to avoid warnings when sizeof(ha_rows) == sizeof(long) */
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#ifdef BIG_TABLES
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#define mi_rowstore(T,A) mi_int8store(T,A)
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#define mi_rowkorr(T) mi_uint8korr(T)
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#else
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#define mi_rowstore(T,A) { mi_int4store(T,0); mi_int4store(((T)+4),A); }
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#define mi_rowkorr(T) mi_uint4korr((T)+4)
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#endif
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#if SIZEOF_OFF_T > 4
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#define mi_sizestore(T,A) mi_int8store(T,A)
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#define mi_sizekorr(T) mi_uint8korr(T)
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#else
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#define mi_sizestore(T,A) { if ((A) == HA_OFFSET_ERROR) bfill((char*) (T),8,255); else { mi_int4store((T),0); mi_int4store(((T)+4),A); }}
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#define mi_sizekorr(T) mi_uint4korr((T)+4)
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#endif
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