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https://github.com/libretro/RetroArch
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Create task_save_ram.c
This commit is contained in:
twinaphex
parent
ce434a7f1c
commit
81c7a8ac04
@ -127,6 +127,7 @@ OBJ += frontend/frontend.o \
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libretro-common/queues/task_queue.o \
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tasks/tasks_internal.o \
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tasks/task_content.o \
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tasks/task_save_ram.o \
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tasks/task_file_transfer.o \
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tasks/task_image.o \
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libretro-common/encodings/encoding_utf.o \
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@ -813,6 +813,7 @@ NETPLAY
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DATA RUNLOOP
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============================================================ */
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#include "../tasks/task_content.c"
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#include "../tasks/task_save_ram.c"
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#include "../tasks/task_image.c"
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#include "../tasks/task_file_transfer.c"
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#ifdef HAVE_ZLIB
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@ -1011,7 +1011,7 @@ static bool read_content_file(unsigned i, const char *path, void **buf,
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*
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* Attempt to save valuable RAM data somewhere.
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**/
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static bool dump_to_file_desperate(const void *data,
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bool dump_to_file_desperate(const void *data,
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size_t size, unsigned type)
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{
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time_t time_;
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@ -1211,98 +1211,6 @@ error:
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return false;
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}
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/**
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* content_load_ram_file:
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* @path : path of RAM state that will be loaded from.
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* @type : type of memory
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*
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* Load a RAM state from disk to memory.
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*/
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bool content_load_ram_file(ram_type_t *ram)
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{
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ssize_t rc;
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retro_ctx_memory_info_t mem_info;
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void *buf = NULL;
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if (!ram)
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return false;
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mem_info.id = ram->type;
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core_get_memory(&mem_info);
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if (mem_info.size == 0 || !mem_info.data)
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return false;
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if (!filestream_read_file(ram->path, &buf, &rc))
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return false;
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if (rc > 0)
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{
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if (rc > (ssize_t)mem_info.size)
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{
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RARCH_WARN("SRAM is larger than implementation expects, "
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"doing partial load (truncating %u %s %s %u).\n",
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(unsigned)rc,
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msg_hash_to_str(MSG_BYTES),
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msg_hash_to_str(MSG_TO),
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(unsigned)mem_info.size);
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rc = mem_info.size;
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}
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memcpy(mem_info.data, buf, rc);
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}
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if (buf)
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free(buf);
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return true;
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}
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/**
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* content_save_ram_file:
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* @path : path of RAM state that shall be written to.
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* @type : type of memory
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*
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* Save a RAM state from memory to disk.
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*
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*/
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bool content_save_ram_file(ram_type_t *ram)
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{
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retro_ctx_memory_info_t mem_info;
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if (!ram)
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return false;
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mem_info.id = ram->type;
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core_get_memory(&mem_info);
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if (!mem_info.data || mem_info.size == 0)
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return false;
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if (!filestream_write_file(ram->path, mem_info.data, mem_info.size))
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{
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RARCH_ERR("%s.\n",
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msg_hash_to_str(MSG_FAILED_TO_SAVE_SRAM));
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RARCH_WARN("Attempting to recover ...\n");
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/* In case the file could not be written to,
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* the fallback function 'dump_to_file_desperate'
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* will be called. */
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if (!dump_to_file_desperate(mem_info.data, mem_info.size, ram->type))
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{
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RARCH_WARN("Failed ... Cannot recover save file.\n");
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}
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return false;
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}
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RARCH_LOG("%s \"%s\".\n",
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msg_hash_to_str(MSG_SAVED_SUCCESSFULLY_TO),
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ram->path);
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return true;
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}
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/* Load the content into memory. */
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static bool load_content_into_memory(
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struct retro_game_info *info,
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122
tasks/task_save_ram.c
Normal file
122
tasks/task_save_ram.c
Normal file
@ -0,0 +1,122 @@
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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2016 - 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 <stdint.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <streams/file_stream.h>
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#include "../core.h"
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#include "../msg_hash.h"
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#include "../verbosity.h"
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#include "tasks_internal.h"
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/* TODO/FIXME - turn this into actual task */
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/**
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* content_load_ram_file:
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* @path : path of RAM state that will be loaded from.
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* @type : type of memory
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*
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* Load a RAM state from disk to memory.
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*/
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bool content_load_ram_file(ram_type_t *ram)
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{
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ssize_t rc;
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retro_ctx_memory_info_t mem_info;
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void *buf = NULL;
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if (!ram)
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return false;
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mem_info.id = ram->type;
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core_get_memory(&mem_info);
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if (mem_info.size == 0 || !mem_info.data)
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return false;
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if (!filestream_read_file(ram->path, &buf, &rc))
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return false;
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if (rc > 0)
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{
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if (rc > (ssize_t)mem_info.size)
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{
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RARCH_WARN("SRAM is larger than implementation expects, "
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"doing partial load (truncating %u %s %s %u).\n",
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(unsigned)rc,
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msg_hash_to_str(MSG_BYTES),
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msg_hash_to_str(MSG_TO),
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(unsigned)mem_info.size);
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rc = mem_info.size;
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}
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memcpy(mem_info.data, buf, rc);
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}
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if (buf)
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free(buf);
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return true;
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}
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/**
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* content_save_ram_file:
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* @path : path of RAM state that shall be written to.
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* @type : type of memory
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*
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* Save a RAM state from memory to disk.
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*
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*/
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bool content_save_ram_file(ram_type_t *ram)
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{
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retro_ctx_memory_info_t mem_info;
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if (!ram)
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return false;
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mem_info.id = ram->type;
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core_get_memory(&mem_info);
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if (!mem_info.data || mem_info.size == 0)
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return false;
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if (!filestream_write_file(ram->path, mem_info.data, mem_info.size))
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{
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RARCH_ERR("%s.\n",
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msg_hash_to_str(MSG_FAILED_TO_SAVE_SRAM));
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RARCH_WARN("Attempting to recover ...\n");
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/* In case the file could not be written to,
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* the fallback function 'dump_to_file_desperate'
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* will be called. */
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if (!dump_to_file_desperate(mem_info.data, mem_info.size, ram->type))
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{
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RARCH_WARN("Failed ... Cannot recover save file.\n");
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}
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return false;
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}
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RARCH_LOG("%s \"%s\".\n",
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msg_hash_to_str(MSG_SAVED_SUCCESSFULLY_TO),
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ram->path);
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return true;
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}
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@ -141,6 +141,10 @@ void rarch_task_file_load_handler(retro_task_t *task);
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/* TODO/FIXME - turn this into actual task */
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bool take_screenshot(void);
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bool content_save_ram_file(ram_type_t *ram);
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bool content_load_ram_file(ram_type_t *ram);
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bool dump_to_file_desperate(const void *data,
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size_t size, unsigned type);
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#ifdef __cplusplus
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}
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