projet-systeme-exploitation-centralise/jobs.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "jobs.h"

void ajouter(list *l_ptr, int pid, int id, char **seq)
{

  cell *new_cell = malloc(sizeof(*new_cell));

  char *cmd;
  cmd = malloc(sizeof(char) * 256);
  cmd[0] = '\0';

  while (*seq)
  {
    strcat(cmd, *seq);
    seq++;
    strcat(cmd, " ");
  }

  new_cell->pid = pid;
  new_cell->id = id;
  new_cell->cmd = cmd;

  if (*l_ptr == NULL)
  {
    new_cell->next = NULL;
  }
  else
  {
    new_cell->next = *l_ptr;
  }

  *l_ptr = new_cell;

  printf("[%d] %d %s\n", id, pid, cmd);
}

void supprimer(list *l_ptr, int pid)
{

  cell *cursor = *l_ptr;

  if (cursor->pid == pid)
  {
    cell *cursor2free = cursor;
    *l_ptr = cursor->next;
    printf("[%d] (%d) done: %s\n", cursor->id, cursor->pid, cursor->cmd);
    free(cursor2free);
  }
  else
  {
    while (cursor->next != NULL)
    {
      if (cursor->next->pid == pid)
      {
        break;
      }
      else
      {
        cursor = cursor->next;
      }
    }
    cell *cursor_next = cursor->next->next;
    printf("[%d] (%d) done: %s\n", cursor->id, cursor->pid, cursor->cmd);
    free(cursor->next);
    cursor->next = cursor_next;
  }
}

void afficher(list *l_ptr)
{

  cell *cursor = *l_ptr;

  while (cursor != NULL)
  {
    printf("[%d] %d\n", cursor->id, cursor->pid);
    cursor = cursor->next;
  }
}

void initialiser(list *l_ptr)
{
  *l_ptr = NULL;
}

void liberer(list *l_ptr)
{
  free(*l_ptr);
  *l_ptr = NULL;
}

int est_vide(list l_ptr)
{
  return l_ptr == NULL;
}

int contiens(list *l_ptr, int pid)
{
  cell *cursor = *l_ptr;

  while (cursor != NULL)
  {
    if (cursor->pid == pid)
    {
      return 1;
    }
    cursor = cursor->next;
  }

  return 0;
}

cell *trouver(list *l_ptr, int pid)
{
  cell *cursor = *l_ptr;

  while (cursor != NULL)
  {
    if (cursor->pid == pid)
    {
      return cursor;
    }
    cursor = cursor->next;
  }

  return NULL; // erreur
}