darray.c

/*
Copyright (C) 2016  Carles Garcia Cabot  (github.com/carles-garcia)
This file is part of aptback, a tool to search, install, remove and upgrade 
packages logged by apt. Released under the GNU GPLv3 (see COPYING.txt)
*/
#include "darray.h"

void init_darray(struct darray *d) {
  d->size = 0;
  d->capacity = 10;
  d->array = malloc(10 * sizeof(struct action*));
  if (d->array == NULL) eperror("Failed to malloc darray");
}

void darray_add(struct darray *d, struct action *obj) {
  if (d->size == d->capacity) { 
    d->capacity *= 2;
    d->array = realloc(d->array, d->capacity * sizeof(obj));
    if (d->array == NULL) eperror("Failed to realloc darray");
  }
  d->array[d->size++] = obj;
}

struct action* darray_get(struct darray *d, int i) {
  return d->array[i];
}

void free_darray(struct darray *d) {
  free(d->array);
}


void init_darray_pack(struct darray_pack *d) {
  d->size = 0;
  d->capacity = 10;
  d->array = malloc(10 * sizeof(struct package*));
  if (d->array == NULL) eperror("Failed to malloc darray");
}

void darray_pack_add(struct darray_pack *d, struct package *obj) {
  if (d->size == d->capacity) {
    d->capacity *= 2;
    d->array = realloc(d->array, d->capacity * sizeof(obj));
    if (d->array == NULL) eperror("Failed to realloc darray");
  }
  d->array[d->size++] = obj;
}

struct package* darray_pack_get(struct darray_pack *d, int i) {
  return d->array[i];
}

void free_darray_pack(struct darray_pack *d) {
  free(d->array);
}


void free_action(struct action *actions) {
  free(actions->command);
  for (int j = 0; j < actions->packages.size; ++j)
    free_pack(darray_pack_get(&actions->packages, j));
  free_darray_pack(&actions->packages);
  free(actions); 
}

void free_pack(struct package *pack) {
  free(pack->name);
  free(pack->arch);
  free(pack->version);
  free(pack->newversion);
  free(pack);
}

void init_action(struct action *current) {
  memset(&current->date, 0, sizeof(struct date));
  init_darray_pack(&(current->packages));
  current->command = NULL;
  current->type = UNDEFINED;
}

void init_pack(struct package *pack) {
  pack->name = NULL;
  pack->arch = NULL;
  pack->version = NULL;
  pack->newversion = NULL;
  pack->automatic = 0;
}

void eperror(char *msg) {
  perror(msg);
  exit(EXIT_FAILURE);
}