56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
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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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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "mysys_priv.h"
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#include <myisampack.h>
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void my_store_ptr(uchar *buff, size_t pack_length, my_off_t pos)
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{
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switch (pack_length) {
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#if SIZEOF_OFF_T > 4
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case 8: mi_int8store(buff,pos); break;
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case 7: mi_int7store(buff,pos); break;
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case 6: mi_int6store(buff,pos); break;
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case 5: mi_int5store(buff,pos); break;
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#endif
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case 4: mi_int4store(buff,pos); break;
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case 3: mi_int3store(buff,pos); break;
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case 2: mi_int2store(buff,pos); break;
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case 1: buff[0]= (uchar) pos; break;
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default: DBUG_ASSERT(0);
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}
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return;
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}
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my_off_t my_get_ptr(uchar *ptr, size_t pack_length)
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{
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my_off_t pos;
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switch (pack_length) {
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#if SIZEOF_OFF_T > 4
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case 8: pos= (my_off_t) mi_uint8korr(ptr); break;
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case 7: pos= (my_off_t) mi_uint7korr(ptr); break;
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case 6: pos= (my_off_t) mi_uint6korr(ptr); break;
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case 5: pos= (my_off_t) mi_uint5korr(ptr); break;
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#endif
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case 4: pos= (my_off_t) mi_uint4korr(ptr); break;
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case 3: pos= (my_off_t) mi_uint3korr(ptr); break;
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case 2: pos= (my_off_t) mi_uint2korr(ptr); break;
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case 1: pos= (my_off_t) *(uchar*) ptr; break;
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default: DBUG_ASSERT(0); return 0;
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}
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return pos;
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}
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