include/command.h


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/*
 * include/command.h
 *
 * Abstractions for parsing commands from tokens and executing them
 * CISC 301 -- Operating Systems, Project 2
 *
 * Copyright (C) 2025  Douglas B. Rumbaugh <dbrumbaugh@harrisburgu.edu>
 *
 * Distributed under the Modified BSD License
 *
 */
#ifndef H_HUSH_COMMAND
#define H_HUSH_COMMAND

#include <stdio.h>

#include "lexer.h"
#include "config.h"

typedef struct command {
  const char *command;
  const char *infile;
  const char *outfile;
  struct command *next;
  struct command *prev;
  pid_t pid;

  int pipe[2];

  const char *args[MAX_ARGUMENT_CNT + 2];
} command;


command *commands_from_tokens(token *parsed_cmdstr, size_t *cnt);

void print_commands(FILE *file, command *cmds);

void destroy_commands(command *cmds);

int execute_command(command *cmd);

#endif