#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
char **parse_cmdline( const char *cmdline );
char **parse_cmdline( const char *cmdline ) {
    printf("commandline\n");
    int size = 2;
    int chsize = 1;
    int a = 0;
    int k = 0;
    //char command[100][100];
    printf("commandline\n");
    //printf ("cmdline %s\n",cmdline);
    char **command;
    command = (char **)malloc(size * sizeof(char*));
    command[a] = (char *)malloc(chsize * sizeof(char));
    int i;
    for (i = 0; 1 ; i++) {
        if (cmdline[i] == ' ' || cmdline[i] == '\n') {
            if (cmdline[i] == '\n') {break;}
            if (size >= a ) {
                size ++;
                command = realloc(command, size*sizeof(char*));
                //printf ("size realloc %d\n",size);
            }
            //printf ("%s\n", command[a]);
            chsize = 1;
            k = 0;
            command[++a] = (char *)malloc(chsize * sizeof(char));
            continue;
        }


        if (chsize >= k) {
            chsize ++;
            command[a] = realloc(command[a], chsize);
            //printf ("chsize realloc %d\n",chsize);
        }
        command[a][k++] = cmdline[i];
        //command[a][k] = '\0';
        //printf ("%d",i+1);

    }
    //printf ("%d\n",size);
    //printf ("%ld",sizeof(char*));
    //printf ("%d\n",strlen(cmdline));
//int f = 0;
return command;
}

int main () {

    //char** command;
        char *word;
        const char *helper;
        size_t word_size = 30;
        getline(&word,&word_size,stdin);
        helper = word;
        char **command = parse_cmdline(helper);


    /*pid_t pid = fork();

        if (pid < 0) {

            perror ("fork");
        }
        else if (pid == 0) {
            //int result = execl(command[0],"/bin/ls",0);
            int result = execv(command[0],command);
            if (result < 0) perror ("execv");

        }

        else {
            waitpid(pid,0,0);
        }
        exit(pid);
    */
    free (command);
return 0;
}