#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>

#include <cammy/sram.h>

static void usage(int argc, char **argv, const char *message, ...) {
    if (message) {
        va_list args;

        va_start(args, message);
        vfprintf(stderr, message, args);
        va_end(args);
         fprintf(stderr, "\n");
    }

    fprintf(stderr, "usage: %s file.sav\n", argv[0]);

    exit(1);
}

int main(int argc, char **argv) {
    cammy_sram *sram;

    if (argc != 2) {
        usage(argc, argv, "No save file provided");
    }

    if ((sram = cammy_sram_open(argv[1])) == NULL) {
        fprintf(stderr, "%s: %s: %s: %s\n",
            argv[0], "cammy_sram_open()", argv[1], strerror(errno));

        goto error_sram_open;
    }

    cammy_sram_close(sram);

    return 0;

error_sram_open:
    return 1;
}