mirror of
https://github.com/libretro/RetroArch.git
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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - 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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#ifndef __PATCH_H
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#define __PATCH_H
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#include <stdint.h>
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#include <stddef.h>
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/* BPS/UPS/IPS implementation from bSNES (nall::).
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* Modified for RetroArch. */
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typedef enum
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{
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PATCH_UNKNOWN,
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PATCH_SUCCESS,
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PATCH_PATCH_TOO_SMALL,
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PATCH_PATCH_INVALID_HEADER,
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PATCH_PATCH_INVALID,
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PATCH_SOURCE_TOO_SMALL,
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PATCH_TARGET_TOO_SMALL,
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PATCH_SOURCE_INVALID,
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PATCH_TARGET_INVALID,
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PATCH_SOURCE_CHECKSUM_INVALID,
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PATCH_TARGET_CHECKSUM_INVALID,
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PATCH_PATCH_CHECKSUM_INVALID
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} patch_error_t;
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typedef patch_error_t (*patch_func_t)(const uint8_t*, size_t,
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const uint8_t*, size_t, uint8_t*, size_t*);
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patch_error_t bps_apply_patch(
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const uint8_t *patch_data, size_t patch_length,
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const uint8_t *source_data, size_t source_length,
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uint8_t *target_data, size_t *target_length);
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patch_error_t ups_apply_patch(
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const uint8_t *patch_data, size_t patch_length,
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const uint8_t *source_data, size_t source_length,
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uint8_t *target_data, size_t *target_length);
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patch_error_t ips_apply_patch(
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const uint8_t *patch_data, size_t patch_length,
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const uint8_t *source_data, size_t source_length,
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uint8_t *target_data, size_t *target_length);
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/**
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* patch_content:
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* @buf : buffer of the content file.
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* @size : size of the content file.
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*
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* Apply patch to the content file in-memory.
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*
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**/
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void patch_content(uint8_t **buf, ssize_t *size);
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#endif
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