fish/fish_shell/fish_commands.c

//
// Created by Antoine Bartuccio on 14/05/2017.
//
#include <stdio.h>
#include <unistd.h>
#include "fish_core.h"

/* Necessary global variables */
char * builtinCommandsStr[] = {
        "cd",
        "help",
        "exit"
};


builtinCommand *builtinCommands[] = {
        &fishCd,
        &fishHelp,
        &fishExit
};

char ** getBuiltinCommandsStr(){
    return builtinCommandsStr;
}

builtinCommand **getBuiltinCommands(){
    return builtinCommands;
}

int fishCd(WordArray *args) {
    if (args->size < 2){
        fprintf(stderr, "fish: Où sont les arguments de ta commande \"cd\" connard ?!\n");
    } else {
        if (chdir(args->words[1]) != 0){
            perror("fish");
        }
    }
    return 1;
}

int fishHelp(WordArray *args) {
    int i;
    printf("Bartuccio Antoine, Amalvy Arthur, Yann Chevanton\n");
    printf("Tape tes putains de noms de programmes et tes arguments de merde et tabasse ENTER !\n");
    printf("Les commandes suivantes sont internes :\nls");
    for (i=0; i < getNbBuiltins(); i++){
        printf("\t%s\n", builtinCommandsStr[i]);
    }
    printf("Et sinon pour le reste, RTFM !");
    if (args->size > 0)
        return 1;
    return 1;
}

int fishExit(WordArray *args) {
    if (args->size != 1)
        return 1;
    else
        return 0;
}

int getNbBuiltins() {
    return sizeof(builtinCommandsStr) / sizeof(char*);
}