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16115af97c
Fixed problem with LIKE with latin1_de Added parsing support of UNSIGNED LONG LONG Docs/manual.texi: Changelog client/client_priv.h: Changed to use my_global.h client/completion_hash.cc: Changed to use my_global.h client/errmsg.c: Changed to use my_global.h client/get_password.c: Changed to use my_global.h client/mysqldump.c: Changed to use my_global.h client/mysqlshow.c: Changed to use my_global.h client/mysqltest.c: Changed to use my_global.h client/password.c: Changed to use my_global.h client/readline.cc: Changed to use my_global.h client/sql_string.cc: Changed to use my_global.h client/thimble.cc: Changed to use my_global.h client/thread_test.c: Changed to use my_global.h dbug/dbug.c: Changed to use my_global.h dbug/dbug_analyze.c: Changed to use my_global.h dbug/example1.c: Changed to use my_global.h dbug/example2.c: Changed to use my_global.h dbug/example3.c: Changed to use my_global.h dbug/factorial.c: Changed to use my_global.h dbug/main.c: Changed to use my_global.h dbug/sanity.c: Changed to use my_global.h extra/comp_err.c: Changed to use my_global.h extra/my_print_defaults.c: Changed to use my_global.h extra/perror.c: Changed to use my_global.h extra/replace.c: Changed to use my_global.h extra/resolve_stack_dump.c: Changed to use my_global.h extra/resolveip.c: Changed to use my_global.h fs/libmysqlfs.h: Changed to use my_global.h fs/mysqlcorbafs.h: Changed to use my_global.h heap/hp_test1.c: Changed to use my_global.h include/Makefile.am: Changed to use my_global.h include/m_ctype.h: Changed to use my_global.h include/my_base.h: Changed to use my_global.h innobase/include/univ.i: Changed to use my_global.h libmysql/dll.c: Changed to use my_global.h libmysql/errmsg.c: Changed to use my_global.h libmysql/get_password.c: Changed to use my_global.h libmysql/libmysql.c: Changed to use my_global.h libmysql/net.c: Changed to use my_global.h libmysql/password.c: Changed to use my_global.h libmysqld/lib_sql.cc: Changed to use my_global.h libmysqld/lib_vio.c: Changed to use my_global.h libmysqld/libmysqld.c: Changed to use my_global.h mysql-test/mysql-test-run.sh: Changed to use latin1 as default character set mysql-test/r/ctype_latin1_de.result: Changed to use my_global.h mysql-test/r/func_like.result: New test mysql-test/t/ctype_latin1_de.test: Added test of part keys mysql-test/t/func_like.test: New test mysys/checksum.c: Changed to use my_global.h mysys/getopt.c: Changed to use my_global.h mysys/getopt1.c: Changed to use my_global.h mysys/make-conf.c: Changed to use my_global.h mysys/my_alloc.c: Changed to use my_global.h mysys/my_clock.c: Changed to use my_global.h mysys/my_compress.c: Changed to use my_global.h mysys/mysys_priv.h: Changed to use my_global.h mysys/test_charset.c: Changed to use my_global.h mysys/testhash.c: Changed to use my_global.h mysys/thr_alarm.c: Changed to use my_global.h mysys/thr_mutex.c: Changed to use my_global.h regex/debug.c: Changed to use my_global.h regex/main.c: Changed to use my_global.h regex/regcomp.c: Changed to use my_global.h regex/regerror.c: Changed to use my_global.h regex/regexec.c: Changed to use my_global.h regex/regexp.c: Changed to use my_global.h regex/regfree.c: Changed to use my_global.h regex/reginit.c: Changed to use my_global.h sql/cache_manager.cc: Changed to use my_global.h sql/gen_lex_hash.cc: Changed to use my_global.h sql/ha_berkeley.cc: Fixed problem with UNIQUE keys that could contain NULL sql/ha_gemini.h: Changed to use my_global.h sql/handler.cc: Fixed problem after merge sql/item.cc: Added Item_unit sql/item.h: Added Item_uint sql/matherr.c: Changed to use my_global.h sql/md5.c: Changed to use my_global.h sql/mini_client.cc: Changed to use my_global.h sql/my_lock.c: Changed to use my_global.h sql/mysql_priv.h: Changed to use my_global.h sql/net_serv.cc: Changed to use my_global.h sql/password.c: Changed to use my_global.h sql/sql_lex.cc: Added parsing support of UNSIGNED LONG LONG sql/sql_show.cc: Changed to use my_global.h sql/sql_string.cc: Changed to use my_global.h sql/sql_yacc.yy: Added usage of Int_uint sql/stacktrace.c: Changed to use my_global.h sql/udf_example.cc: Changed to use my_global.h strings/atof.c: Changed to use my_global.h strings/bchange.c: Changed to use my_global.h strings/bcmp.c: Changed to use my_global.h strings/bfill.c: Changed to use my_global.h strings/bmove.c: Changed to use my_global.h strings/bmove512.c: Changed to use my_global.h strings/bmove_upp.c: Changed to use my_global.h strings/ctype-big5.c: Changed to use my_global.h strings/ctype-czech.c: Changed to use my_global.h strings/ctype-euc_kr.c: Changed to use my_global.h strings/ctype-gb2312.c: Changed to use my_global.h strings/ctype-gbk.c: Changed to use my_global.h strings/ctype-latin1_de.c: Fixed problem with LIKE strings/ctype-sjis.c: Changed to use my_global.h strings/ctype-tis620.c: Changed to use my_global.h strings/ctype-ujis.c: Changed to use my_global.h strings/ctype.c: Changed to use my_global.h strings/do_ctype.c: Changed to use my_global.h strings/int2str.c: Changed to use my_global.h strings/is_prefix.c: Changed to use my_global.h strings/llstr.c: Changed to use my_global.h strings/longlong2str.c: Changed to use my_global.h strings/r_strinstr.c: Changed to use my_global.h strings/str2int.c: Changed to use my_global.h strings/str_test.c: Changed to use my_global.h strings/strappend.c: Changed to use my_global.h strings/strcend.c: Changed to use my_global.h strings/strcont.c: Changed to use my_global.h strings/strend.c: Changed to use my_global.h strings/strfill.c: Changed to use my_global.h strings/strings-not-used.h: Changed to use my_global.h strings/strinstr.c: Changed to use my_global.h strings/strmake.c: Changed to use my_global.h strings/strmov.c: Changed to use my_global.h strings/strnlen.c: Changed to use my_global.h strings/strnmov.c: Changed to use my_global.h strings/strstr.c: Changed to use my_global.h strings/strto.c: Changed to use my_global.h strings/strtol.c: Changed to use my_global.h strings/strtoll.c: Changed to use my_global.h strings/strtoul.c: Changed to use my_global.h strings/strtoull.c: Changed to use my_global.h strings/strxmov.c: Changed to use my_global.h strings/strxnmov.c: Changed to use my_global.h strings/udiv.c: Changed to use my_global.h tools/mysqlmanager.c: Changed to use my_global.h vio/test-ssl.c: Changed to use my_global.h vio/test-sslclient.c: Changed to use my_global.h vio/test-sslserver.c: Changed to use my_global.h vio/test-ssl: Changed to use my_global.h vio/vio.c: Changed to use my_global.h vio/viosocket.c: Changed to use my_global.h vio/viossl.c: Changed to use my_global.h vio/viosslfactories.c: Changed to use my_global.h vio/viotest-ssl.c: Changed to use my_global.h
150 lines
2.8 KiB
C++
150 lines
2.8 KiB
C++
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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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#ifdef __GNUC__
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#pragma implementation /* gcc: Class implementation */
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#endif
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#include <my_global.h>
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#include <my_sys.h>
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#include "cache_manager.h"
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/*
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cache_manager.cc
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-----------------------------------------------------------------------
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The cache_manager class manages a number of blocks (which are allocatable
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units of memory).
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-----------------------------------------------------------------------
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*/
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#define HEADER_LENGTH ALIGN_SIZE(8)
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#define SUFFIX_LENGTH 4
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#define ALLOC_MASK 0x3FFFFFFFL
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#define FREE_BIT (1L << 31)
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#define LOCK_BIT (1L << 30)
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#define SMALLEST_BLOCK 32
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/*
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** Internal Methods
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** --------------------
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*/
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/* list manipulation methods */
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void *cache_manager::init_list(void)
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{
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return;
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}
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void *cache_manager::link_into_abs(void *ptr)
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{
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for (int i(0); (*abs_list)[i] != NULL; i++);
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(*abs_list)[i] = ptr;
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return (abs_list)[i]; // ???
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}
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bool *cache_manager::unlink_from_abs(void *ptr)
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{
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(*ptr) = NULL;
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return;
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}
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/* memory allocation methods */
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void *cache_manager::find_in_llist(uint)
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{
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return;
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}
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void cache_manager::defrag(void)
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{
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printf("Defragging: ..........");
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return;
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}
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/*
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** Public Methods
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** ------------------
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*/
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cache_manager::cache_manager(uint size)
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{
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base_ptr = my_malloc(size, MY_WME); /* MY_WME = write mesg on err */
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return;
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}
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cache_manager::~cache_manager(void)
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{
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free(base_ptr);
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delete base_ptr;
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return;
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}
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void *cache_manager::alloc(uint size)
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{
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void *llist;
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void *abs_ptr;
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size=ALIGN_SIZE(size+HEADER_LENGTH+SUFFIX_LENGTH);
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if (!(llist = find_in_llist(size)))
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{
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//defrag();
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if (!(llist = find_in_llist(size)))
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return 0; /* return null pointer, buffer exhausted! */
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}
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size_of_found_block=int4korr((char*) llist) & ALLOC_MASK;
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// if (size_of_found_block < SMALLEST_BLOCK)
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abs_ptr = link_into_abs(llist);
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return abs_ptr;
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}
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void cache_manager::dealloc(void)
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{
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printf("Deallocating: ..........\n");
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return;
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}
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void cache_manager::clear(void)
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{
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// reset the internal linked list, forgetting all pointers to mem blks
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return;
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}
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