/* * Extract RAR archives * * Copyright (C) 2005 trog@uncon.org * * This code is based on the work of Alexander L. Roshal * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ #include <unistd.h> #include "unrar.h" #include "unrarfilter.h" void rar_filter_array_init(rar_filter_array_t *filter_a) { filter_a->array = NULL; filter_a->num_items = 0; } void rar_filter_array_reset(rar_filter_array_t *filter_a) { int i; if (!filter_a) { return; } for (i=0 ; i < filter_a->num_items ; i++) { rar_filter_delete(filter_a->array[i]); } if (filter_a->array) { free(filter_a->array); } filter_a->array = NULL; filter_a->num_items = 0; } int rar_filter_array_add(rar_filter_array_t *filter_a, int num) { filter_a->num_items += num; filter_a->array = (struct UnpackFilter **) cli_realloc(filter_a->array, filter_a->num_items * sizeof(struct UnpackFilter **)); if (filter_a->array == NULL) { filter_a->num_items=0; return FALSE; } filter_a->array[filter_a->num_items-1] = NULL; return TRUE; } struct UnpackFilter *rar_filter_new(void) { struct UnpackFilter *filter; filter = (struct UnpackFilter *) cli_malloc(sizeof(struct UnpackFilter)); if (!filter) { return NULL; } filter->block_start = 0; filter->block_length = 0; filter->exec_count = 0; filter->next_window = 0; rar_cmd_array_init(&filter->prg.cmd); filter->prg.global_data = NULL; filter->prg.static_data = NULL; filter->prg.global_size = filter->prg.static_size = 0; filter->prg.filtered_data = NULL; filter->prg.filtered_data_size = 0; return filter; } void rar_filter_delete(struct UnpackFilter *filter) { if (!filter) { return; } if (filter->prg.global_data) { free(filter->prg.global_data); } if (filter->prg.static_data) { free(filter->prg.static_data); } rar_cmd_array_reset(&filter->prg.cmd); free(filter); }