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This commit is contained in:
Themaister 2010-10-01 22:10:28 +02:00
parent 804496227d
commit 6ce2e642ca
1 changed files with 43 additions and 20 deletions
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63
ssnes.c
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@ -345,10 +345,21 @@ static void print_help(void)
puts("Usage: ssnes [rom file] [-h/--help | -s/--save]");
puts("\t-h/--help: Show this help message");
puts("\t-s/--save: Path for save file (*.srm). Required when rom is input from stdin");
puts("\t-v/--verbose: Verbose logging");
}
static FILE* rom_file = NULL;
static char savefile_name_srm[256] = {0};
static bool verbose = false;
#define SSNES_LOG(msg, args...) do { \
if (verbose) \
fprintf(stderr, "SSNES: " msg, ##args); \
} while(0)
#define SSNES_ERR(msg, args...) do { \
fprintf(stderr, "SSNES [ERROR] :: " msg, ##args); \
} while(0)
static void parse_input(int argc, char *argv[])
{
@ -361,11 +372,12 @@ static void parse_input(int argc, char *argv[])
struct option opts[] = {
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
{ "verbose", 0, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
int option_index = 0;
char optstring[] = "hs:";
char optstring[] = "hs:v";
for(;;)
{
int c = getopt_long(argc, argv, optstring, opts, &option_index);
@ -383,28 +395,39 @@ static void parse_input(int argc, char *argv[])
strncpy(savefile_name_srm, optarg, sizeof(savefile_name_srm));
savefile_name_srm[sizeof(savefile_name_srm)-1] = '\0';
break;
case 'v':
verbose = true;
break;
case '?':
print_help();
exit(1);
default:
fprintf(stderr, "Error parsing arguments.\n");
SSNES_ERR("Error parsing arguments.\n");
exit(1);
}
}
if (optind < argc)
{
fprintf(stderr, "SSNES: Opening file: \"%s\"\n", argv[optind]);
SSNES_LOG("Opening file: \"%s\"\n", argv[optind]);
rom_file = fopen(argv[optind], "rb");
if (rom_file == NULL)
{
fprintf(stderr, "Could not open file: \"%s\"\n", optarg);
SSNES_ERR("Could not open file: \"%s\"\n", optarg);
exit(1);
}
if (strlen(savefile_name_srm) == 0)
fill_pathname(savefile_name_srm, argv[optind], ".srm");
}
else if (strlen(savefile_name_srm) == 0)
{
SSNES_ERR("Need savefile argument when reading rom from stdin.\n");
print_help();
exit(1);
}
}
static ssize_t read_file(FILE* file, void** buf)
@ -412,13 +435,13 @@ static ssize_t read_file(FILE* file, void** buf)
ssize_t ret;
if (file == NULL) // stdin
{
fprintf(stderr, "SSNES: Reading ROM from stdin ...\n");
SSNES_LOG("Reading ROM from stdin ...\n");
size_t buf_size = 0xFFFFF; // Some initial guesstimate.
size_t buf_ptr = 0;
char *rom_buf = malloc(buf_size);
if (rom_buf == NULL)
{
fprintf(stderr, "SSNES [ERROR] :: Couldn't allocate memory!\n");
SSNES_ERR("Couldn't allocate memory!\n");
return -1;
}
@ -434,7 +457,7 @@ static ssize_t read_file(FILE* file, void** buf)
rom_buf = realloc(rom_buf, buf_size * 2);
if (rom_buf == NULL)
{
fprintf(stderr, "SSNES [ERROR] :: Couldn't allocate memory!\n");
SSNES_ERR("Couldn't allocate memory!\n");
return -1;
}
@ -464,13 +487,13 @@ static ssize_t read_file(FILE* file, void** buf)
void *rom_buf = malloc(length);
if ( rom_buf == NULL )
{
fprintf(stderr, "SSNES [ERROR] :: Couldn't allocate memory!\n");
SSNES_ERR("Couldn't allocate memory!\n");
return -1;
}
if ( fread(rom_buf, 1, length, file) < length )
{
fprintf(stderr, "SSNES [ERROR] :: Didn't read whole file.\n");
SSNES_ERR("Didn't read whole file.\n");
free(rom_buf);
return -1;
}
@ -488,10 +511,10 @@ int main(int argc, char *argv[])
ssize_t rom_len = 0;
if ((rom_len = read_file(rom_file, &rom_buf)) == -1)
{
fprintf(stderr, "SSNES [ERROR] :: Could not read ROM file.\n");
SSNES_ERR("Could not read ROM file.\n");
exit(1);
}
fprintf(stderr, "SSNES: ROM size: %zi bytes\n", rom_len);
SSNES_LOG("ROM size: %zi bytes\n", rom_len);
if (rom_file != NULL)
fclose(rom_file);
@ -513,7 +536,7 @@ int main(int argc, char *argv[])
if (!snes_load_cartridge_normal(NULL, rom_buf, rom_len))
{
fprintf(stderr, "SSNES [ERROR] :: ROM file \"%s\" is not valid!\n", argv[1]);;
SSNES_ERR("ROM file is not valid!\n");
goto error;
}
@ -523,7 +546,7 @@ int main(int argc, char *argv[])
uint8_t *serial_data = malloc(serial_size);
if (serial_data == NULL)
{
fprintf(stderr, "SSNES [ERROR] :: Failed to allocate memory for states!\n");
SSNES_ERR("Failed to allocate memory for states!\n");
goto error;
}
@ -579,29 +602,29 @@ static void write_file(const char* path, uint8_t* data, size_t size)
FILE *file = fopen(path, "wb");
if ( file != NULL )
{
fprintf(stderr, "SSNES: Saving state \"%s\". Size: %d bytes.\n", path, (int)size);
SSNES_LOG("Saving state \"%s\". Size: %d bytes.\n", path, (int)size);
snes_serialize(data, size);
if ( fwrite(data, 1, size, file) != size )
fprintf(stderr, "SSNES [WARN]: Did not save state properly.");
SSNES_ERR("Did not save state properly.\n");
fclose(file);
}
}
static void load_state(const char* path, uint8_t* data, size_t size)
{
fprintf(stderr, "SSNES: Loading state: \"%s\".\n", path);
SSNES_LOG("Loading state: \"%s\".\n", path);
FILE *file = fopen(path, "rb");
if ( file != NULL )
{
//fprintf(stderr, "SSNES: Loading state. Size: %d bytes.\n", (int)size);
if ( fread(data, 1, size, file) != size )
fprintf(stderr, "SSNES [WARN]: Did not load state properly.");
SSNES_ERR("Did not load state properly.\n");
fclose(file);
snes_unserialize(data, size);
}
else
{
fprintf(stderr, "SSNES: No state file found. Will create new.\n");
SSNES_LOG("No state file found. Will create new.\n");
}
}
@ -627,10 +650,10 @@ static void load_save_file(const char* path, int type)
int rc = fread(data, 1, size, file);
if ( rc != size )
{
fprintf(stderr, "SSNES [ERROR]: Couldn't load save file.\n");
SSNES_ERR("Couldn't load save file.\n");
}
fprintf(stderr, "SSNES: Loaded save file: \"%s\"\n", path);
SSNES_LOG("Loaded save file: \"%s\"\n", path);
fclose(file);
}