获取进程栈地址的方法

/*获取进程栈起始地址的方法*/
unsigned char GetStack(unsigned long int *pdwStackBase,unsigned long int *pdwStackBottom)
{
    unsigned int dwCurProcessId;
    FILE *fp = NULL;
    CHAR       acLine[256] = {0};
    unsigned long int start=0;
    unsigned long int end = 0;
    CHAR       ucFileName[160]={'\0'};

    /*获取进程id*/
    dwCurProcessId = getpid();

    snprintf(ucFileName,sizeof(ucFileName),"/proc/%u/maps",dwCurProcessId);

    /* 打开文件流，且fd不被子进程继承，目前仅对定义了O_CLOEXEC的LIB库有效*/

    fp = fopen(ucFileName,"r");
    if (fp == NULL)
    {
        printf("fopen %s failed! errno:%d\n",ucFileName,errnoGet());
        return FALSE;
    }


    while (0 == feof(fp))
    {
        memset(acLine,'\0',sizeof(acLine));
        if (NULL == fgets(acLine, 256, fp))
        {
            break;
        }

        if (strstr(acLine,"stack") != NULL)
        {
            sscanf(acLine,"%lx-%lx",&start,&end);
            break;
        }
    }
    fclose(fp);
    *pdwStackBase = start;
    *pdwStackBottom = end;
    return TRUE;
}