sourcemod-central: core/sm_memtable.cpp@bf5d37088b6d

     1 /**

     2  * vim: set ts=4 :

     3  * =============================================================================

     4  * SourceMod

     5  * Copyright (C) 2004-2008 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  */

    32 #include <string.h>

    33 #include <stdlib.h>

    34 #include "sm_memtable.h"

    36 BaseMemTable::BaseMemTable(unsigned int init_size)

    37 {

    38 	membase = (unsigned char *)malloc(init_size);

    39 	size = init_size;

    40 	tail = 0;

    41 }

    43 BaseMemTable::~BaseMemTable()

    44 {

    45 	free(membase);

    46 	membase = NULL;

    47 }

    49 int BaseMemTable::CreateMem(unsigned int addsize, void **addr)

    50 {

    51 	int idx = (int)tail;

    53 	while (tail + addsize >= size)

    54 	{

    55 		size *= 2;

    56 		membase = (unsigned char *)realloc(membase, size);

    57 	}

    59 	tail += addsize;

    61 	if (addr)

    62 	{

    63 		*addr = (void *)&membase[idx];

    64 	}

    66 	return idx;

    67 }

    69 void *BaseMemTable::GetAddress(int index)

    70 {

    71 	if (index < 0 || (unsigned int)index >= tail)

    72 	{

    73 		return NULL;

    74 	}

    76 	return &membase[index];

    77 }

    79 void BaseMemTable::Reset()

    80 {

    81 	tail = 0;

    82 }

    84 BaseStringTable::BaseStringTable(unsigned int init_size) : m_table(init_size)

    85 {

    86 }

    88 BaseStringTable::~BaseStringTable()

    89 {

    90 }

    92 int BaseStringTable::AddString(const char *string)

    93 {

    94 	size_t len = strlen(string) + 1;

    95 	int idx;

    96 	char *addr;

    98 	idx = m_table.CreateMem(len, (void **)&addr);

    99 	strcpy(addr, string);

   101 	return idx;

   102 }

   104 /*const char *BaseStringTable::GetString(int str)

   105 {

   106 	return (const char *)m_table.GetAddress(str);

   107 }*/

   109 void BaseStringTable::Reset()

   110 {

   111 	m_table.Reset();

   112 }

author	David Anderson <dvander@alliedmods.net>
	Mon Oct 26 23:51:39 2009 -0700 (2009-10-26)
changeset 2832	bf5d37088b6d
parent 2471	194be299b700
permissions	-rw-r--r--