gstdmem.c

来自「彩信MMS的全部代码」· C语言 代码 · 共 230 行

/*
 * Copyright (C) Obigo AB, 2002-2005.
 * All rights reserved.
 *
 * This software is covered by the license agreement between
 * the end user and Obigo AB, and may be 
 * used and copied only in accordance with the terms of the 
 * said agreement.
 *
 * Obigo AB assumes no responsibility or 
 * liability for any errors or inaccuracies in this software, 
 * or any consequential, incidental or indirect damage arising
 * out of the use of the software.
 *
 */




















#include "cansilib.h"   
#include "cmnconf.h"    
#include "aapicmn.h"    

#ifndef USE_G_MALLOC
#include "gmem.h"       




typedef struct
{
    jmp_buf     jmpbuf;
    int         inside;
#if CMN_LOG_INTERNAL & CMN_LOG_MEMORY
    int         lognum;
#endif 
} MemClient;















static MemClient memClients[CMN_CLIENT_NUMBER];









int  gMemGetInside(CmnClientId id)
{
    return memClients[id].inside;
} 







jmp_buf *gMemGetJmpBuf(CmnClientId id)
{
    return &memClients[id].jmpbuf;
} 







short gMemInit(CmnClientId id, MemPtr mem, MemSize memSize)
{
    




    id = 0;
    mem = 0;
    memSize = 0;

    return 0;
} 




void gMemSetInside(CmnClientId id, int inside)
{
    memClients[id].inside = inside;
} 




void gMemSetOutside(CmnClientId id)
{
    memClients[id].inside = 0;
} 




void gMemTerminate(CmnClientId id)
{
    




    id = 0;
} 








#if CMN_LOG_INTERNAL & CMN_LOG_MEMORY
MemPtr gMemAlloc(CmnClientId id, MemSize size, const char *filename, int lineno)
#else
MemPtr gMemAlloc(CmnClientId id, MemSize size)
#endif 
{
    void *p = malloc(size);
    
#if CMN_LOG_INTERNAL & CMN_LOG_MEMORY
    {
        const char *s = strrchr (filename, '\\');
        
        if (s == NULL)
        {
            s = filename;
        }
        else
        {
            ++s;
        }
        
        CMN_LOG_I(("MEM: + %#08x %6d %6d %6d %s (%d)\n",
            p, ++memClients[id].lognum, size, id, s, lineno));
    }
#endif 
    if ((p == NULL) && memClients[id].inside) 
    {
        longjmp( memClients[id].jmpbuf, 1);
    }
    
    return p;
}




#if CMN_LOG_INTERNAL & CMN_LOG_MEMORY
void gMemFree(CmnClientId id, void *p, const char *filename, int lineno)
#else
void gMemFree (CmnClientId id, void *p)
#endif 
{
#if CMN_LOG_INTERNAL & CMN_LOG_MEMORY
    if (p != NULL) 
    {
        const char *s = strrchr (filename, '\\');
        
        if (s == NULL)
        {
            s = filename;
        }
        else
        {
            ++s;
        }
        
        CMN_LOG_I(("MEM: - %#08x %6d        %6d %s (%d)\n",
            p, ++memClients[id].lognum, id, s, lineno));
    }
#endif 
    if (p != NULL) 
    {
        free(p);
    } 
}













#endif