gc_n64_usb-v3/tools/mempak_rm.c

107 lines
2.4 KiB
C

/* gc_n64_usb : Gamecube or N64 controller to USB adapter firmware
Copyright (C) 2007-2015 Raphael Assenat <raph@raphnet.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include "mempak.h"
static void print_usage(void)
{
printf("Usage: ./mempak_rm pakfile note_id\n");
printf("\n");
printf("Options:\n");
printf(" -h, --help Display help\n");
}
int main(int argc, char **argv)
{
const char *pakfile;
mempak_structure_t *mpk;
struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
{ }, // terminator
};
int noteid;
entry_structure_t entry;
if (argc < 3) {
print_usage();
return 1;
}
while(1) {
int c;
c = getopt_long(argc, argv, "h", long_options, NULL);
if (c==-1)
break;
switch(c)
{
case 'h':
print_usage();
return 0;
case '?':
fprintf(stderr, "Unknown argument. Try -h\n");
return -1;
}
}
pakfile = argv[optind];
noteid = atoi(argv[optind+1]);
if (noteid < 0 || noteid > 15) {
fprintf(stderr, "Note id out of range (0-15)\n");
return -1;
}
mpk = mempak_loadFromFile(pakfile);
if (!mpk) {
return -1;
}
printf("Loaded pakfile in %s format.\n", mempak_format2string(mpk->file_format));
if (0 != get_mempak_entry(mpk, noteid, &entry)) {
fprintf(stderr, "Could not get note id %d\n", noteid);
mempak_free(mpk);
return -1;
}
if (!entry.valid) {
fprintf(stderr, "Note %d is already free\n", noteid);
mempak_free(mpk);
return -1;
}
printf("Deleting note %d (%d blocks)\n", noteid, entry.blocks);
if (0 != delete_mempak_entry(mpk, &entry)) {
fprintf(stderr, "Error deleting entry\n");
mempak_free(mpk);
return -1;
}
if (0 != mempak_saveToFile(mpk, pakfile, mpk->file_format)) {
fprintf(stderr, "could not write to memory pak file\n");
}
mempak_free(mpk);
return 0;
}