/* Copyright (C) 2000 MySQL AB 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 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef STORAGE_MYISAM_MYISAMPACK_H #define STORAGE_MYISAM_MYISAMPACK_H /* 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_t)(*A)) #define mi_uint1korr(A) ((uint8_t)(*A)) #define mi_sint2korr(A) ((int16_t) (((int16_t) (((const unsigned char*) (A))[1])) +\ ((int16_t) ((int16_t) ((const char*) (A))[0]) << 8))) #define mi_sint3korr(A) ((int32_t) (((((const unsigned char*) (A))[0]) & 128) ? \ (((uint32_t) 255L << 24) | \ (((uint32_t) ((const unsigned char*) (A))[0]) << 16) |\ (((uint32_t) ((const unsigned char*) (A))[1]) << 8) | \ ((uint32_t) ((const unsigned char*) (A))[2])) : \ (((uint32_t) ((const unsigned char*) (A))[0]) << 16) |\ (((uint32_t) ((const unsigned char*) (A))[1]) << 8) | \ ((uint32_t) ((const unsigned char*) (A))[2]))) #define mi_sint4korr(A) ((int32_t) (((int32_t) (((const unsigned char*) (A))[3])) +\ ((int32_t) (((const unsigned char*) (A))[2]) << 8) +\ ((int32_t) (((const unsigned char*) (A))[1]) << 16) +\ ((int32_t) ((int16_t) ((const char*) (A))[0]) << 24))) #define mi_sint8korr(A) ((int64_t) mi_uint8korr(A)) #define mi_uint2korr(A) ((uint16_t) (((uint16_t) (((const unsigned char*) (A))[1])) +\ ((uint16_t) (((const unsigned char*) (A))[0]) << 8))) #define mi_uint3korr(A) ((uint32_t) (((uint32_t) (((const unsigned char*) (A))[2])) +\ (((uint32_t) (((const unsigned char*) (A))[1])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[0])) << 16))) #define mi_uint4korr(A) ((uint32_t) (((uint32_t) (((const unsigned char*) (A))[3])) +\ (((uint32_t) (((const unsigned char*) (A))[2])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[1])) << 16) +\ (((uint32_t) (((const unsigned char*) (A))[0])) << 24))) #define mi_uint5korr(A) ((uint64_t)(((uint32_t) (((const unsigned char*) (A))[4])) +\ (((uint32_t) (((const unsigned char*) (A))[3])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[2])) << 16) +\ (((uint32_t) (((const unsigned char*) (A))[1])) << 24)) +\ (((uint64_t) (((const unsigned char*) (A))[0])) << 32)) #define mi_uint6korr(A) ((uint64_t)(((uint32_t) (((const unsigned char*) (A))[5])) +\ (((uint32_t) (((const unsigned char*) (A))[4])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[3])) << 16) +\ (((uint32_t) (((const unsigned char*) (A))[2])) << 24)) +\ (((uint64_t) (((uint32_t) (((const unsigned char*) (A))[1])) +\ (((uint32_t) (((const unsigned char*) (A))[0]) << 8)))) <<\ 32)) #define mi_uint7korr(A) ((uint64_t)(((uint32_t) (((const unsigned char*) (A))[6])) +\ (((uint32_t) (((const unsigned char*) (A))[5])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[4])) << 16) +\ (((uint32_t) (((const unsigned char*) (A))[3])) << 24)) +\ (((uint64_t) (((uint32_t) (((const unsigned char*) (A))[2])) +\ (((uint32_t) (((const unsigned char*) (A))[1])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[0])) << 16))) <<\ 32)) #define mi_uint8korr(A) ((uint64_t)(((uint32_t) (((const unsigned char*) (A))[7])) +\ (((uint32_t) (((const unsigned char*) (A))[6])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[5])) << 16) +\ (((uint32_t) (((const unsigned char*) (A))[4])) << 24)) +\ (((uint64_t) (((uint32_t) (((const unsigned char*) (A))[3])) +\ (((uint32_t) (((const unsigned char*) (A))[2])) << 8) +\ (((uint32_t) (((const unsigned char*) (A))[1])) << 16) +\ (((uint32_t) (((const unsigned char*) (A))[0])) << 24))) <<\ 32)) /* This one is for uniformity */ #define mi_int1store(T,A) *((unsigned char*)(T))= (unsigned char) (A) #define mi_int2store(T,A) { uint32_t def_temp= (uint32_t) (A) ;\ ((unsigned char*) (T))[1]= (unsigned char) (def_temp);\ ((unsigned char*) (T))[0]= (unsigned char) (def_temp >> 8); } #define mi_int3store(T,A) { /*lint -save -e734 */\ uint32_t def_temp= (uint32_t) (A);\ ((unsigned char*) (T))[2]= (unsigned char) (def_temp);\ ((unsigned char*) (T))[1]= (unsigned char) (def_temp >> 8);\ ((unsigned char*) (T))[0]= (unsigned char) (def_temp >> 16);\ /*lint -restore */} #define mi_int4store(T,A) { uint32_t def_temp= (uint32_t) (A);\ ((unsigned char*) (T))[3]= (unsigned char) (def_temp);\ ((unsigned char*) (T))[2]= (unsigned char) (def_temp >> 8);\ ((unsigned char*) (T))[1]= (unsigned char) (def_temp >> 16);\ ((unsigned char*) (T))[0]= (unsigned char) (def_temp >> 24); } #define mi_int5store(T,A) { uint32_t def_temp= (uint32_t) (A),\ def_temp2= (uint32_t) ((A) >> 32);\ ((unsigned char*) (T))[4]= (unsigned char) (def_temp);\ ((unsigned char*) (T))[3]= (unsigned char) (def_temp >> 8);\ ((unsigned char*) (T))[2]= (unsigned char) (def_temp >> 16);\ ((unsigned char*) (T))[1]= (unsigned char) (def_temp >> 24);\ ((unsigned char*) (T))[0]= (unsigned char) (def_temp2); } #define mi_int6store(T,A) { uint32_t def_temp= (uint32_t) (A),\ def_temp2= (uint32_t) ((A) >> 32);\ ((unsigned char*) (T))[5]= (unsigned char) (def_temp);\ ((unsigned char*) (T))[4]= (unsigned char) (def_temp >> 8);\ ((unsigned char*) (T))[3]= (unsigned char) (def_temp >> 16);\ ((unsigned char*) (T))[2]= (unsigned char) (def_temp >> 24);\ ((unsigned char*) (T))[1]= (unsigned char) (def_temp2);\ ((unsigned char*) (T))[0]= (unsigned char) (def_temp2 >> 8); } #define mi_int7store(T,A) { uint32_t def_temp= (uint32_t) (A),\ def_temp2= (uint32_t) ((A) >> 32);\ ((unsigned char*) (T))[6]= (unsigned char) (def_temp);\ ((unsigned char*) (T))[5]= (unsigned char) (def_temp >> 8);\ ((unsigned char*) (T))[4]= (unsigned char) (def_temp >> 16);\ ((unsigned char*) (T))[3]= (unsigned char) (def_temp >> 24);\ ((unsigned char*) (T))[2]= (unsigned char) (def_temp2);\ ((unsigned char*) (T))[1]= (unsigned char) (def_temp2 >> 8);\ ((unsigned char*) (T))[0]= (unsigned char) (def_temp2 >> 16); } #define mi_int8store(T,A) { uint32_t def_temp3= (uint32_t) (A),\ def_temp4= (uint32_t) ((A) >> 32);\ mi_int4store((unsigned char*) (T) + 0, def_temp4);\ mi_int4store((unsigned char*) (T) + 4, def_temp3); } #ifdef WORDS_BIGENDIAN #define mi_float4store(T,A) { ((unsigned char*) (T))[0]= ((const unsigned char*) &A)[0];\ ((unsigned char*) (T))[1]= ((const unsigned char*) &A)[1];\ ((unsigned char*) (T))[2]= ((const unsigned char*) &A)[2];\ ((unsigned char*) (T))[3]= ((const unsigned char*) &A)[3]; } #define mi_float4get(V,M) { float def_temp;\ ((unsigned char*) &def_temp)[0]= ((const unsigned char*) (M))[0];\ ((unsigned char*) &def_temp)[1]= ((const unsigned char*) (M))[1];\ ((unsigned char*) &def_temp)[2]= ((const unsigned char*) (M))[2];\ ((unsigned char*) &def_temp)[3]= ((const unsigned char*) (M))[3];\ (V)= def_temp; } #define mi_float8store(T,V) { ((unsigned char*) (T))[0]= ((unsigned char*) &V)[0];\ ((unsigned char*) (T))[1]= ((unsigned char*) &V)[1];\ ((unsigned char*) (T))[2]= ((unsigned char*) &V)[2];\ ((unsigned char*) (T))[3]= ((unsigned char*) &V)[3];\ ((unsigned char*) (T))[4]= ((unsigned char*) &V)[4];\ ((unsigned char*) (T))[5]= ((unsigned char*) &V)[5];\ ((unsigned char*) (T))[6]= ((unsigned char*) &V)[6];\ ((unsigned char*) (T))[7]= ((unsigned char*) &V)[7]; } #define mi_float8get(V,M) { double def_temp;\ ((unsigned char*) &def_temp)[0]= ((unsigned char*) (M))[0];\ ((unsigned char*) &def_temp)[1]= ((unsigned char*) (M))[1];\ ((unsigned char*) &def_temp)[2]= ((unsigned char*) (M))[2];\ ((unsigned char*) &def_temp)[3]= ((unsigned char*) (M))[3];\ ((unsigned char*) &def_temp)[4]= ((unsigned char*) (M))[4];\ ((unsigned char*) &def_temp)[5]= ((unsigned char*) (M))[5];\ ((unsigned char*) &def_temp)[6]= ((unsigned char*) (M))[6];\ ((unsigned char*) &def_temp)[7]= ((unsigned char*) (M))[7]; \ (V)= def_temp; } #else #define mi_float4store(T,A) { ((unsigned char*) (T))[0]= ((unsigned char*) &A)[3];\ ((unsigned char*) (T))[1]= ((unsigned char*) &A)[2];\ ((unsigned char*) (T))[2]= ((unsigned char*) &A)[1];\ ((unsigned char*) (T))[3]= ((unsigned char*) &A)[0]; } #define mi_float4get(V,M) { float def_temp;\ ((unsigned char*) &def_temp)[0]= ((unsigned char*) (M))[3];\ ((unsigned char*) &def_temp)[1]= ((unsigned char*) (M))[2];\ ((unsigned char*) &def_temp)[2]= ((unsigned char*) (M))[1];\ ((unsigned char*) &def_temp)[3]= ((unsigned char*) (M))[0];\ (V)= def_temp; } #if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN) #define mi_float8store(T,V) { ((unsigned char*) (T))[0]= ((unsigned char*) &V)[3];\ ((unsigned char*) (T))[1]= ((unsigned char*) &V)[2];\ ((unsigned char*) (T))[2]= ((unsigned char*) &V)[1];\ ((unsigned char*) (T))[3]= ((unsigned char*) &V)[0];\ ((unsigned char*) (T))[4]= ((unsigned char*) &V)[7];\ ((unsigned char*) (T))[5]= ((unsigned char*) &V)[6];\ ((unsigned char*) (T))[6]= ((unsigned char*) &V)[5];\ ((unsigned char*) (T))[7]= ((unsigned char*) &V)[4];} #define mi_float8get(V,M) { double def_temp;\ ((unsigned char*) &def_temp)[0]= ((unsigned char*) (M))[3];\ ((unsigned char*) &def_temp)[1]= ((unsigned char*) (M))[2];\ ((unsigned char*) &def_temp)[2]= ((unsigned char*) (M))[1];\ ((unsigned char*) &def_temp)[3]= ((unsigned char*) (M))[0];\ ((unsigned char*) &def_temp)[4]= ((unsigned char*) (M))[7];\ ((unsigned char*) &def_temp)[5]= ((unsigned char*) (M))[6];\ ((unsigned char*) &def_temp)[6]= ((unsigned char*) (M))[5];\ ((unsigned char*) &def_temp)[7]= ((unsigned char*) (M))[4];\ (V)= def_temp; } #else #define mi_float8store(T,V) { ((unsigned char*) (T))[0]= ((unsigned char*) &V)[7];\ ((unsigned char*) (T))[1]= ((unsigned char*) &V)[6];\ ((unsigned char*) (T))[2]= ((unsigned char*) &V)[5];\ ((unsigned char*) (T))[3]= ((unsigned char*) &V)[4];\ ((unsigned char*) (T))[4]= ((unsigned char*) &V)[3];\ ((unsigned char*) (T))[5]= ((unsigned char*) &V)[2];\ ((unsigned char*) (T))[6]= ((unsigned char*) &V)[1];\ ((unsigned char*) (T))[7]= ((unsigned char*) &V)[0];} #define mi_float8get(V,M) { double def_temp;\ ((unsigned char*) &def_temp)[0]= ((unsigned char*) (M))[7];\ ((unsigned char*) &def_temp)[1]= ((unsigned char*) (M))[6];\ ((unsigned char*) &def_temp)[2]= ((unsigned char*) (M))[5];\ ((unsigned char*) &def_temp)[3]= ((unsigned char*) (M))[4];\ ((unsigned char*) &def_temp)[4]= ((unsigned char*) (M))[3];\ ((unsigned char*) &def_temp)[5]= ((unsigned char*) (M))[2];\ ((unsigned char*) &def_temp)[6]= ((unsigned char*) (M))[1];\ ((unsigned char*) &def_temp)[7]= ((unsigned char*) (M))[0];\ (V)= def_temp; } #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) #define mi_sizestore(T,A) mi_int8store(T, A) #define mi_sizekorr(T) mi_uint8korr(T) #endif /* STORAGE_MYISAM_MYISAMPACK_H */