mirror of
https://github.com/CTCaer/RetroArch.git
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123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2013 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "file_list.h"
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struct item_file
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{
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char *path;
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char *alt;
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unsigned type;
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size_t directory_ptr;
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};
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void file_list_push(void *userdata,
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const char *path, unsigned type, size_t directory_ptr)
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{
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file_list_t *list = (file_list_t*)userdata;
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if (!list)
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return;
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if (list->size >= list->capacity)
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{
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list->capacity++;
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list->capacity *= 2;
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list->list = (struct item_file*)realloc(list->list, list->capacity * sizeof(struct item_file));
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}
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list->list[list->size].path = strdup(path);
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list->list[list->size].alt = NULL;
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list->list[list->size].type = type;
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list->list[list->size].directory_ptr = directory_ptr;
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list->size++;
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}
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void file_list_pop(file_list_t *list, size_t *directory_ptr)
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{
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if (!(list->size == 0))
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free(list->list[--list->size].path);
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if (directory_ptr)
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*directory_ptr = list->list[list->size].directory_ptr;
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}
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void file_list_free(file_list_t *list)
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{
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size_t i;
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for (i = 0; i < list->size; i++)
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free(list->list[i].path);
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free(list->list);
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free(list);
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}
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void file_list_clear(file_list_t *list)
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{
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size_t i;
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for (i = 0; i < list->size; i++)
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{
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free(list->list[i].path);
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free(list->list[i].alt);
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}
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list->size = 0;
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}
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void file_list_set_alt_at_offset(file_list_t *list, size_t index,
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const char *alt)
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{
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free(list->list[index].alt);
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list->list[index].alt = strdup(alt);
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}
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void file_list_get_alt_at_offset(const file_list_t *list, size_t index,
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const char **alt)
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{
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if (alt)
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*alt = list->list[index].alt ? list->list[index].alt : list->list[index].path;
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}
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static int file_list_alt_cmp(const void *a_, const void *b_)
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{
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const struct item_file *a = (const struct item_file*)a_;
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const struct item_file *b = (const struct item_file*)b_;
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const char *cmp_a = a->alt ? a->alt : a->path;
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const char *cmp_b = b->alt ? b->alt : b->path;
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return strcasecmp(cmp_a, cmp_b);
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}
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void file_list_sort_on_alt(file_list_t *list)
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{
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qsort(list->list, list->size, sizeof(list->list[0]), file_list_alt_cmp);
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}
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void file_list_get_at_offset(const file_list_t *list, size_t index,
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const char **path, unsigned *file_type)
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{
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if (path)
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*path = list->list[index].path;
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if (file_type)
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*file_type = list->list[index].type;
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}
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void file_list_get_last(const file_list_t *list,
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const char **path, unsigned *file_type)
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{
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if (list->size)
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file_list_get_at_offset(list, list->size - 1, path, file_type);
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}
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