gistfile1.txt

bool
execute_plugin(struct esh_command * cmd)
{
  struct list_elem * e = list_begin(&esh_plugin_list);
  
  for (; e != list_end(&esh_plugin_list); e = list_next (e)){
    struct esh_plugin * currPlugin = list_entry(e, struct esh_plugin, elem);
    
    if(currPlugin->process_builtin == NULL){
	  continue;
	}
	
	return currPlugin->process_builtin(cmd);
  }
  return false;
}



// check to see if it is a valid plugin command. If it is, execute it
  // returns so the plugin commands are never added to the job list
  if (execute_plugin(possibleBuiltIn))
  {
	return;
  }
  
  
  
  /* Plugin processing functions */
bool execute_plugin(struct esh_command * cmd);









#include <stdbool.h>
#include <stdio.h>
#include <pwd.h>
#include <unistd.h>
#include <sys/types.h>
#include "../esh.h"
#include <signal.h>


static bool 
init_plugin(struct esh_shell *shell)
{
    printf("Plugin 'office-hours' initialized...\n");
    return true;
}

static bool
print_office_hours_builtin(struct esh_command *cmd){
	if( strcmp(cmd->argv[0], "officehours") != 0){
		printf("\n\nhurrr\n\n");
		fflush(stdout);
		esh_sys_error("chdir: \n");
		return true;
	}
	if (strcmp(cmd->argv[0], "officehours") == 0){
		printf("\n\nhurrr\n\n");
		fflush(stdout);
		return true;
	}
	
	printf("\n\nhurrr\n\n");
	fflush(stdout);
	esh_sys_error("chdir: \n");
	return true;
}

struct esh_plugin esh_module = {
    .rank = 10,
    .init = init_plugin,
    .process_builtin = print_office_hours_builtin
};