extensions/sqlite/sm_memtable.cpp
author Scott Ehlert <ds@alliedmods.net>
Wed Aug 15 06:19:30 2007 +0000 (2007-08-15)
changeset 1330 ab94316bb52b
parent 1226 478550a4d5ec
child 1947 e73a1e51833b
permissions -rw-r--r--
Updated license headers on virtually all files with extremely minor changes in the name of some sort of strange consistency.
All plugin and include file headers also have been changed to say about GPL3 instead of GPL2.

(This day shall henceforth be known as the Eighty Column Massacre of '07)
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod
     5  * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.
     6  * =============================================================================
     7  *
     8  * This program is free software; you can redistribute it and/or modify it under
     9  * the terms of the GNU General Public License, version 3.0, as published by the
    10  * Free Software Foundation.
    11  * 
    12  * This program is distributed in the hope that it will be useful, but WITHOUT
    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    15  * details.
    16  *
    17  * You should have received a copy of the GNU General Public License along with
    18  * this program.  If not, see <http://www.gnu.org/licenses/>.
    19  *
    20  * As a special exception, AlliedModders LLC gives you permission to link the
    21  * code of this program (as well as its derivative works) to "Half-Life 2," the
    22  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    23  * by the Valve Corporation.  You must obey the GNU General Public License in
    24  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    25  * this exception to all derivative works.  AlliedModders LLC defines further
    26  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    27  * or <http://www.sourcemod.net/license.php>.
    28  *
    29  * Version: $Id$
    30  */
    31 
    32 #include <string.h>
    33 #include <malloc.h>
    34 #include "sm_memtable.h"
    35 
    36 BaseMemTable::BaseMemTable(unsigned int init_size)
    37 {
    38 	membase = (unsigned char *)malloc(init_size);
    39 	size = init_size;
    40 	tail = 0;
    41 }
    42 
    43 BaseMemTable::~BaseMemTable()
    44 {
    45 	free(membase);
    46 	membase = NULL;
    47 }
    48 
    49 int BaseMemTable::CreateMem(unsigned int addsize, void **addr)
    50 {
    51 	int idx = (int)tail;
    52 
    53 	while (tail + addsize >= size)
    54 	{
    55 		size *= 2;
    56 		membase = (unsigned char *)realloc(membase, size);
    57 	}
    58 
    59 	tail += addsize;
    60 
    61 	if (addr)
    62 	{
    63 		*addr = (void *)&membase[idx];
    64 	}
    65 
    66 	return idx;
    67 }
    68 
    69 void *BaseMemTable::GetAddress(int index)
    70 {
    71 	if (index < 0 || (unsigned int)index >= tail)
    72 	{
    73 		return NULL;
    74 	}
    75 
    76 	return &membase[index];
    77 }
    78 
    79 void BaseMemTable::Reset()
    80 {
    81 	tail = 0;
    82 }
    83 
    84 BaseStringTable::BaseStringTable(unsigned int init_size) : m_table(init_size)
    85 {
    86 }
    87 
    88 BaseStringTable::~BaseStringTable()
    89 {
    90 }
    91 
    92 int BaseStringTable::AddString(const char *string)
    93 {
    94 	size_t len = strlen(string) + 1;
    95 	int idx;
    96 	char *addr;
    97 
    98 	idx = m_table.CreateMem(len, (void **)&addr);
    99 	strcpy(addr, string);
   100 
   101 	return idx;
   102 }
   103 
   104 /*const char *BaseStringTable::GetString(int str)
   105 {
   106 	return (const char *)m_table.GetAddress(str);
   107 }*/
   108 
   109 void BaseStringTable::Reset()
   110 {
   111 	m_table.Reset();
   112 }