Quelle myisampack.h
Sprache: C
#ifndef MYISAMPACK_INCLUDED#define MYISAMPACK_INCLUDED/* Copyright (c) 2000-2002, 2004 MySQL AB, 2009 Sun Microsystems, Inc. Copyright ( c ) 2020 , MariaDB Corporation . Use is subject to license terms . This program 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 ; version 2 of the License . This program 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 this program ; if not , write to the Free Software /* Storing of values in high byte first order . integer keys and file pointers are stored with high byte first to get better compression /* these two are for uniformity */ #define mi_sint1korr(A) ((int8)(*A))#define mi_uint1korr(A) ((uint8)(*A))#define mi_sint2korr(A) ((int16) (((int16) (((const uchar*) (A))[1 ])) |\const uchar*) (A))[0 ]) << 8 )))#define mi_sint3korr(A) ((int32) (((((const uchar*) (A))[0 ]) & 128 ) ? \255 L << 24 ) | \const uchar*) (A))[0 ]) << 16 ) |\const uchar*) (A))[1 ]) << 8 ) | \const uchar*) (A))[2 ])) : \const uchar*) (A))[0 ]) << 16 ) |\const uchar*) (A))[1 ]) << 8 ) | \const uchar*) (A))[2 ])))#define mi_sint4korr(A) ((int32) (((uint32) (((const uchar*) (A))[3 ])) |\const uchar*) (A))[2 ]) << 8 ) |\const uchar*) (A))[1 ]) << 16 ) |\const uchar*) (A))[0 ]) << 24 )))#define mi_sint8korr(A) ((longlong) mi_uint8korr(A))#define mi_uint2korr(A) ((uint16) (((uint16) (((const uchar*) (A))[1 ])) |\const uchar*) (A))[0 ]) << 8 )))#define mi_uint3korr(A) ((uint32) (((uint32) (((const uchar*) (A))[2 ])) |\const uchar*) (A))[1 ])) << 8 ) |\const uchar*) (A))[0 ])) << 16 )))#define mi_uint4korr(A) ((uint32) (((uint32) (((const uchar*) (A))[3 ])) |\const uchar*) (A))[2 ])) << 8 ) |\const uchar*) (A))[1 ])) << 16 ) |\const uchar*) (A))[0 ])) << 24 )))#ifndef HAVE_mi_uint5korr#define mi_uint5korr(A) ((ulonglong)(((uint32) (((const uchar*) (A))[4 ])) |\const uchar*) (A))[3 ])) << 8 ) |\const uchar*) (A))[2 ])) << 16 ) |\const uchar*) (A))[1 ])) << 24 )) |\const uchar*) (A))[0 ])) << 32 ))#endif /* HAVE_mi_uint5korr */ #ifndef HAVE_mi_uint6korr#define mi_uint6korr(A) ((ulonglong)(((uint32) (((const uchar*) (A))[5 ])) |\const uchar*) (A))[4 ])) << 8 ) |\const uchar*) (A))[3 ])) << 16 ) |\const uchar*) (A))[2 ])) << 24 )) |\const uchar*) (A))[1 ])) |\const uchar*) (A))[0 ]) << 8 )))) <<\32 ))#endif /* HAVE_mi_uint6korr */ #ifndef HAVE_mi_uint7korr#define mi_uint7korr(A) ((ulonglong)(((uint32) (((const uchar*) (A))[6 ])) |\const uchar*) (A))[5 ])) << 8 ) |\const uchar*) (A))[4 ])) << 16 ) |\const uchar*) (A))[3 ])) << 24 )) |\const uchar*) (A))[2 ])) |\const uchar*) (A))[1 ])) << 8 ) |\const uchar*) (A))[0 ])) << 16 ))) <<\32 ))#endif /* HAVE_mi_uint7korr */ #ifndef HAVE_mi_uint8korr#define mi_uint8korr(A) ((ulonglong)(((uint32) (((const uchar*) (A))[7 ])) |\const uchar*) (A))[6 ])) << 8 ) |\const uchar*) (A))[5 ])) << 16 ) |\const uchar*) (A))[4 ])) << 24 )) |\const uchar*) (A))[3 ])) |\const uchar*) (A))[2 ])) << 8 ) |\const uchar*) (A))[1 ])) << 16 ) |\const uchar*) (A))[0 ])) << 24 ))) <<\32 ))#endif /* HAVE_mi_uint8korr */ /* This one is for uniformity */ #define mi_int1store(T,A) *((uchar*)(T))= (uchar) (A)#define mi_int2store(T,A) { uint def_temp= (uint) (A) ;\1 ]= (uchar) (def_temp);\0 ]= (uchar) (def_temp >> 8 ); }#define mi_int3store(T,A) { /*lint -save -e734 */\ 2 ]= (uchar) (def_temp);\1 ]= (uchar) (def_temp >> 8 );\0 ]= (uchar) (def_temp >> 16 );\/*lint -restore */} #define mi_int4store(T,A) { ulong def_temp= (ulong) (A);\3 ]= (uchar) (def_temp);\2 ]= (uchar) (def_temp >> 8 );\1 ]= (uchar) (def_temp >> 16 );\0 ]= (uchar) (def_temp >> 24 ); }#define mi_int5store(T,A) { ulong def_temp= (ulong) (A),\32 );\4 ]= (uchar) (def_temp);\3 ]= (uchar) (def_temp >> 8 );\2 ]= (uchar) (def_temp >> 16 );\1 ]= (uchar) (def_temp >> 24 );\0 ]= (uchar) (def_temp2); }#define mi_int6store(T,A) { ulong def_temp= (ulong) (A),\32 );\5 ]= (uchar) (def_temp);\4 ]= (uchar) (def_temp >> 8 );\3 ]= (uchar) (def_temp >> 16 );\2 ]= (uchar) (def_temp >> 24 );\1 ]= (uchar) (def_temp2);\0 ]= (uchar) (def_temp2 >> 8 ); }#define mi_int7store(T,A) { ulong def_temp= (ulong) (A),\32 );\6 ]= (uchar) (def_temp);\5 ]= (uchar) (def_temp >> 8 );\4 ]= (uchar) (def_temp >> 16 );\3 ]= (uchar) (def_temp >> 24 );\2 ]= (uchar) (def_temp2);\1 ]= (uchar) (def_temp2 >> 8 );\0 ]= (uchar) (def_temp2 >> 16 ); }#define mi_int8store(T,A) { ulong def_temp3= (ulong) (A),\32 );\0 , def_temp4);\4 , def_temp3); }#ifdef WORDS_BIGENDIAN#define mi_float4store(T,A) { ((uchar*) (T))[0 ]= ((uchar*) &A)[0 ];\1 ]= ((uchar*) &A)[1 ];\2 ]= ((uchar*) &A)[2 ];\3 ]= ((uchar*) &A)[3 ]; }#define mi_float4get(V,M) { float def_temp;\0 ]= ((const uchar*) (M))[0 ];\1 ]= ((const uchar*) (M))[1 ]; \2 ]= ((const uchar*) (M))[2 ];\3 ]= ((const uchar*) (M))[3 ];\#define mi_float8store(T,V) { ((uchar*) (T))[0 ]= ((const uchar*) &V)[0 ];\1 ]= ((const uchar*) &V)[1 ];\2 ]= ((const uchar*) &V)[2 ];\3 ]= ((const uchar*) &V)[3 ];\4 ]= ((const uchar*) &V)[4 ];\5 ]= ((const uchar*) &V)[5 ];\6 ]= ((const uchar*) &V)[6 ];\7 ]= ((const uchar*) &V)[7 ]; }#define mi_float8get(V,M) { double def_temp;\0 ]= ((const uchar*) (M))[0 ];\1 ]= ((const uchar*) (M))[1 ];\2 ]= ((const uchar*) (M))[2 ];\3 ]= ((const uchar*) (M))[3 ];\4 ]= ((const uchar*) (M))[4 ];\5 ]= ((const uchar*) (M))[5 ];\6 ]= ((const uchar*) (M))[6 ];\7 ]= ((const uchar*) (M))[7 ]; \#else #define mi_float4store(T,A) { ((uchar*) (T))[0 ]= ((const uchar*) &A)[3 ];\1 ]= ((const uchar*) &A)[2 ];\2 ]= ((const uchar*) &A)[1 ];\3 ]= ((const uchar*) &A)[0 ]; }#define mi_float4get(V,M) { float def_temp;\0 ]= ((const uchar*) (M))[3 ];\1 ]= ((const uchar*) (M))[2 ];\2 ]= ((const uchar*) (M))[1 ];\3 ]= ((const uchar*) (M))[0 ];\#if defined (__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)#define mi_float8store(T,V) { ((uchar*) (T))[0 ]= ((const uchar*) &V)[3 ];\1 ]= ((const uchar*) &V)[2 ];\2 ]= ((const uchar*) &V)[1 ];\3 ]= ((const uchar*) &V)[0 ];\4 ]= ((const uchar*) &V)[7 ];\5 ]= ((const uchar*) &V)[6 ];\6 ]= ((const uchar*) &V)[5 ];\7 ]= ((const uchar*) &V)[4 ];}#define mi_float8get(V,M) { double def_temp;\0 ]= ((const uchar*) (M))[3 ];\1 ]= ((const uchar*) (M))[2 ];\2 ]= ((const uchar*) (M))[1 ];\3 ]= ((const uchar*) (M))[0 ];\4 ]= ((const uchar*) (M))[7 ];\5 ]= ((const uchar*) (M))[6 ];\6 ]= ((const uchar*) (M))[5 ];\7 ]= ((const uchar*) (M))[4 ];\#else #define mi_float8store(T,V) { ((uchar*) (T))[0 ]= ((const uchar*) &V)[7 ];\1 ]= ((const uchar*) &V)[6 ];\2 ]= ((const uchar*) &V)[5 ];\3 ]= ((const uchar*) &V)[4 ];\4 ]= ((const uchar*) &V)[3 ];\5 ]= ((const uchar*) &V)[2 ];\6 ]= ((const uchar*) &V)[1 ];\7 ]= ((const uchar*) &V)[0 ];}#define mi_float8get(V,M) { double def_temp;\0 ]= ((const uchar*) (M))[7 ];\1 ]= ((const uchar*) (M))[6 ];\2 ]= ((const uchar*) (M))[5 ];\3 ]= ((const uchar*) (M))[4 ];\4 ]= ((const uchar*) (M))[3 ];\5 ]= ((const uchar*) (M))[2 ];\6 ]= ((const uchar*) (M))[1 ];\7 ]= ((const uchar*) (M))[0 ];\#endif /* __FLOAT_WORD_ORDER */ #endif /* WORDS_BIGENDIAN */ /* Fix to avoid warnings when sizeof(ha_rows) == sizeof(long) */ #define mi_rowstore(T,A) mi_int8store(T, A)#define mi_rowkorr(T) mi_uint8korr(T)#if SIZEOF_OFF_T > 4 #define mi_sizestore(T,A) mi_int8store(T, A)#define mi_sizekorr(T) mi_uint8korr(T)#else #define mi_sizestore(T,A) { if ((A) == HA_OFFSET_ERROR)\char *) (T), 8 , 255 );\else { mi_int4store((T), 0 );\4 ), A); }}#define mi_sizekorr(T) mi_uint4korr((const uchar*) (T) + 4 )#endif #endif /* MYISAMPACK_INCLUDED */
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-10-08)
¤ *© Formatika GbR, Deutschland
2026-10-09
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