int main(int argc, char* argv[])
{
// ensure proper usage
if (argc < 2)
{
printf("ICN Icon Extractor v0.4 by 3DSGuy\n");
printf("Usage: %s -i <ICN File> -l <Large Icon> -s <Small Icon>\n",argv[0]);
return 1;
}
char *InputICN = NULL;
char *SmallIcon = NULL;
char *LargeIcon = NULL;
if(argc == 2){ // Drag&Drop
InputICN = argv[1];
char outfile_large[1024];
append_filextention(outfile_large,1024,argv[1],".png");
LargeIcon = (char*)&outfile_large;
}
else{ // user has entered command line arguments
for(int i = 1; i < argc-1; i++){
if(strcmp(argv[i],"-i")==0 && argv[i+1][0] != '-') InputICN = argv[i+1];
else if(strcmp(argv[i],"-l")==0 && argv[i+1][0] != '-') LargeIcon = argv[i+1];
else if(strcmp(argv[i],"-s")==0 && argv[i+1][0] != '-') SmallIcon = argv[i+1];
}
}
if(InputICN == NULL){
fprintf(stderr, "No input ICN data specified.");
return 1;
}
if(LargeIcon == NULL && SmallIcon == NULL){
fprintf(stderr, "Nothing to do.");
return 1;
}
FILE* icn = fopen(InputICN, "rb");
if (icn == NULL)
{
printf("Could not open %s.\n", InputICN);
return 2;
}
// Checking if ICN file is actually an ICN file
char magic[4];
fseek(icn,0,SEEK_SET);
fread(&magic,4,1,icn);
if(strncmp("SMDH",magic,4)!=0){
fclose(icn);
fprintf(stderr, "%s is not an ICN file", InputICN);
return 1;
}
if(SmallIcon != NULL) ConvertIcon(icn,SmallIcon,0x2040,24);
if(LargeIcon != NULL) ConvertIcon(icn,LargeIcon,0x24C0,48);
// close infile
fclose(icn);
return 0;
}
int ParseArgs(int argc, char *argv[], user_settings *set)
{
if(argv == NULL || set == NULL)
return USR_PTR_PASS_FAIL;
if(argc < 2){
DisplayHelp(argv[0]);
return USR_HELP;
}
// Detecting Help Requried
for(int i = 1; i < argc; i++){
if(strcmp(argv[i],"-help") == 0){
DisplayHelp(argv[0]);
return USR_HELP;
}
}
// Allocating Memory for Content Path Ptrs
set->common.contentPath = calloc(CIA_MAX_CONTENT,sizeof(char*));
if(set->common.contentPath == NULL){
fprintf(stderr,"[SETTING ERROR] Not Enough Memory\n");
return USR_MEM_ERROR;
}
// Initialise Keys
InitKeys(&set->common.keys);
// Setting Defaults
SetDefaults(set);
// Parsing Arguments
int set_result;
int i = 1;
while(i < argc){
set_result = SetArgument(argc,i,argv,set);
if(set_result < 1){
fprintf(stderr,"[RESULT] Invalid arguments, see '%s -help'\n",argv[0]);
return set_result;
}
i += set_result;
}
// Checking arguments
if((set_result = CheckArgumentCombination(set)) != 0)
return set_result;
// Setting Keys
if((set_result = SetKeys(&set->common.keys)) != 0)
return set_result;
// Generating outpath if required
if(!set->common.outFileName){
char *source_path = NULL;
if(set->ncch.buildNcch0)
source_path = set->common.rsfPath;
else if(set->common.workingFileType == infile_ncsd || set->common.workingFileType == infile_cia || set->common.workingFileType == infile_srl)
source_path = set->common.workingFilePath;
else
source_path = set->common.contentPath[0];
u16 outfile_len = strlen(source_path) + 0x10;
set->common.outFileName = calloc(outfile_len,sizeof(char));
if(!set->common.outFileName){
fprintf(stderr,"[SETTING ERROR] Not Enough Memory\n");
return USR_MEM_ERROR;
}
set->common.outFileName_mallocd = true;
append_filextention(set->common.outFileName,outfile_len,source_path,(char*)&output_extention[set->common.outFormat-1]);
}
return 0;
}
