Genesis-Plus-GX/source/gx/fileio/history.c
ekeeke31 d66d747d98 - annual code cleanup ;-)
- added port $3E emulation (SMS, GG)
- added SMS & GG BIOS support
- added an option to run BIOS without cartridge
- added separate ROM browsers for SG-1000, Master System, Game Gear & Mega Drive / Genesis
- changed Cheat menu icon
- moved ROM device selection (SD,USB,DVD) to menu options
- moved savestate compression/decompression out of emulator core
- removed useless background images & background color option
- prevented deletion of cheat files when no valid codes are found left
- added IOS patch on startup to fix Homebrew Channel network bug when <no_ios_reload> option is used







[GUI]
-
2012-01-15 19:51:27 +00:00

139 lines
4.8 KiB
C

/*
* history.c
*
* Generic ROM history list managment
*
* Copyright Eke-Eke (2008-2011), based on original code from Martin Disibio (2008)
*
* Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met:
*
* - Redistributions may not be sold, nor may they be used in a commercial
* product or activity.
*
* - Redistributions that are modified from the original source must include the
* complete source code, including the source code for all components used by a
* binary built from the modified sources. However, as a special exception, the
* source code distributed need not include anything that is normally distributed
* (in either source or binary form) with the major components (compiler, kernel,
* and so on) of the operating system on which the executable runs, unless that
* component itself accompanies the executable.
*
* - Redistributions must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************************/
#include "shared.h"
#include "history.h"
t_history history;
/****************************************************************************
* history_add_file
*
* Adds the given file path to the top of the history list, shifting each
* existing entry in the history down one place. If given file path is
* already in the list then the existing entry is (in effect) moved to the
* top instead.
****************************************************************************/
void history_add_file(char *filepath, char *filename, u8 filetype)
{
/* Create the new entry for this path. */
t_history_entry newentry;
strncpy(newentry.filepath, filepath, MAXJOLIET - 1);
strncpy(newentry.filename, filename, MAXJOLIET - 1);
newentry.filepath[MAXJOLIET - 1] = '\0';
newentry.filename[MAXJOLIET - 1] = '\0';
newentry.filetype = filetype;
t_history_entry oldentry; /* Old entry is the one being shuffled down a spot. */
t_history_entry currentry; /* Curr entry is the one that just replaced old path. */
/* Initially set curr entry to the new value. */
memcpy(&currentry, &newentry, sizeof(t_history_entry));
int i;
for(i=0; i < NUM_HISTORY_ENTRIES; i++)
{
/* Save off the next entry. */
memcpy(&oldentry, &history.entries[i], sizeof(t_history_entry));
/* Overwrite with the previous entry. */
memcpy(&history.entries[i], &currentry, sizeof(t_history_entry));
/* Switch the old entry to the curr entry now. */
memcpy(&currentry, &oldentry, sizeof(t_history_entry));
/* If the entry in the list at this spot matches
the new entry then do nothing and let this
entry get deleted. */
if(strcmp(newentry.filepath, currentry.filepath) == 0 && strcmp(newentry.filename, currentry.filename) == 0)
break;
}
/* now save to disk */
history_save();
}
void history_save()
{
/* open file */
char fname[MAXPATHLEN];
sprintf (fname, "%s/history.ini", DEFAULT_PATH);
FILE *fp = fopen(fname, "wb");
if (fp)
{
/* write file */
fwrite(&history, sizeof(history), 1, fp);
fclose(fp);
}
}
void history_load(void)
{
/* open file */
char fname[MAXPATHLEN];
sprintf (fname, "%s/history.ini", DEFAULT_PATH);
FILE *fp = fopen(fname, "rb");
if (fp)
{
/* read file */
if (fread(&history, sizeof(history), 1, fp) != 1)
{
/* an error ocurred, better clear hoistory */
memset(&history, 0, sizeof(history));
}
/* close file */
fclose(fp);
}
}
void history_default(void)
{
int i;
for(i=0; i < NUM_HISTORY_ENTRIES; i++)
memset(&history.entries[i], 0, sizeof(t_history_entry));
/* restore history */
history_load();
}