mirror of
https://github.com/libretro/RetroArch
synced 2025-03-25 16:44:01 +00:00
140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2012 - 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 <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include "../boolean.h"
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#include "retroarch_rzlib.h"
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static int rarch_extract_currentfile_in_zip(unzFile uf)
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{
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char filename_inzip[PATH_MAX];
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FILE *file_out = NULL;
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unz_file_info file_info;
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int err = unzGetCurrentFileInfo(uf,
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&file_info, filename_inzip, sizeof(filename_inzip),
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NULL, 0, NULL, 0);
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if (err != UNZ_OK)
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{
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RARCH_ERR("Error %d while trying to get ZIP file information.\n", err);
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return err;
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}
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size_t size_buf = WRITEBUFFERSIZE;
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void *buf = malloc(size_buf);
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if (!buf)
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{
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RARCH_ERR("Error allocating memory for ZIP extract operation.\n");
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return UNZ_INTERNALERROR;
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}
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char write_filename[PATH_MAX];
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#ifdef HAVE_HDD_CACHE_PARTITION
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snprintf(write_filename, sizeof(write_filename), "%s%s", default_paths.cache_dir, filename_inzip);
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#endif
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err = unzOpenCurrentFile(uf);
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if (err != UNZ_OK)
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RARCH_ERR("Error %d while trying to open ZIP file.\n", err);
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else
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{
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/* success */
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file_out = fopen(write_filename, "wb");
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if (!file_out)
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RARCH_ERR("Error opening %s.\n", write_filename);
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}
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if (file_out)
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{
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RARCH_LOG("Extracting: %s..\n", write_filename);
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do
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{
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err = unzReadCurrentFile(uf, buf, size_buf);
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if (err < 0)
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{
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RARCH_ERR("Error %d while reading from ZIP file.\n", err);
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break;
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}
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if (err > 0)
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{
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if (fwrite(buf, err, 1, file_out) != 1)
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{
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RARCH_ERR("Error while extracting file(s) from ZIP.\n");
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err = UNZ_ERRNO;
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break;
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}
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}
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}while (err > 0);
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if (file_out)
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fclose(file_out);
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}
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if (err == UNZ_OK)
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{
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err = unzCloseCurrentFile (uf);
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if (err != UNZ_OK)
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RARCH_ERR("Error %d while trying to close ZIP file.\n", err);
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}
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else
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unzCloseCurrentFile(uf);
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free(buf);
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return err;
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}
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int rarch_extract_zipfile(const char *zip_path)
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{
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unzFile uf = unzOpen(zip_path);
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unz_global_info gi;
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int err = unzGetGlobalInfo(uf, &gi);
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if (err != UNZ_OK)
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RARCH_ERR("Error %d while trying to get ZIP file global info.\n",err);
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for (unsigned i = 0; i < gi.number_entry; i++)
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{
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if (rarch_extract_currentfile_in_zip(uf) != UNZ_OK)
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break;
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if ((i + 1) < gi.number_entry)
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{
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err = unzGoToNextFile(uf);
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if (err != UNZ_OK)
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{
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RARCH_ERR("Error %d while trying to go to the next file in the ZIP archive.\n",err);
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break;
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}
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}
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}
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#ifdef HAVE_HDD_CACHE_PARTITION
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if(g_console.info_msg_enable)
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rarch_settings_msg(S_MSG_EXTRACTED_ZIPFILE, S_DELAY_180);
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#endif
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return 0;
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}
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