C / C++ / MFC

pix_programmer wrote:

Is it possible in C++ to declare a pointer as long?( like long int).

pix_programmer wrote:

Is there any maximum limit for char * variable?

pix_programmer wrote:

How to avoid the crash,when the string is huge?

pix_programmer wrote:

I'm reading some string from a XML file and assigning it to a <code>const char*</code> variable.

Stefan_Lang wrote:

Therefore it doesn't make sense to either store or restore a pointer to/from a file!

strcpy(commandandparameters,arr[0]);//add first command

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
void main()
{
    char *arr[5];//for the command and his parameter
    char command[10];
    int i,j;
    char *path=NULL,*tempath,*finalpath,*commandandparameters;
    do
    {
        i=0;
        printf("enter new command:");
        gets(command);
        arr[i]=strtok(command," ");
        while(arr[i]!=NULL)//save the command and also the parametrs
        {
            i++;
            arr[i]=strtok(NULL," ");
        }
        strcpy(commandandparameters,arr[0]);//add first command
        for(j=1;j<i;j++)//add the parameters
            {
                strcat(commandandparameters," ");
                strcat(commandandparameters,arr[j]);
            }
        //now we check if the command in every path
        path = getenv("PATH");
        tempath = strtok(path,":");
        while (tempath != NULL)
        {
            strcpy(finalpath,tempath);//get the current path
            puts(commandandparameters);
            strcat(finalpath,"/");//we add '/'
            execl(finalpath,commandandparameters,NULL);
            tempath = strtok(NULL, ":");//get next path
        }
    }while(command!="leave");
}

int a[] = { 2, 4, 6};
int b[] = { 3, 5, 7};

int c[6];

memcpy(c, a, sizeof(a));
memcpy(c + 3, b, sizeof(b)); // + 3 because the first 3 elements are 
// allready in use

pix_programmer wrote:

How to do this?

CPallini wrote:

Coding!