pish/src/Pish.c

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#include <string.h>
#include "Integrated.h"
#include "Pish.h"

// Main function for Pish program
void Pish(void)
{
    CommandStruct commandObject = {"", 0};
    CommandStruct* command = &commandObject;
    char inputString[1000]; // Max 1000 characters
    int forkPID;
    ReadPishrc(command, inputString);
    while (1)
    {
        ResetCommandStruct(command); // Clean command
        strcpy(inputString, "");    // Clean inputString
        GetInput(inputString);
        ParseInput(inputString, command);
	    IntegratedCheck(command);
        forkPID = fork();
        // Child
        if (forkPID == 0)
        {
            // This is the child process
            // Setup the child's process environment here
            // E.g., where is standard I/O, how to handle signals?
            // execve() is recommended, execvpe() may be better
            execvp(command->argv[0], command->argv);
            // exec does not return if it succeeds
            printf("ERROR: Could not execute %s\n", inputString);
            exit(1);
        }
        // Parent
        // This is the parent process; Wait for the child to finish
        wait(&forkPID);
    }
}