#include <stdlib.h>

#include <string.h>

#include "elmchan_impl.h"

#include "elmchan/src/diskio.h"

#include "elmchan/src/ff.h"

#include "util.h"

int write_file(FIL *image_fp, FILE *host_file)

{

char buffer[4096];

int exit_code = 0;

int res;

uint32_t bytes_read, bytes_wrote;

for (;;) {

res = f_read(image_fp, buffer, sizeof buffer, &bytes_read);

if (res != RES_OK || bytes_read == 0) {

break;

}

bytes_wrote = fwrite(buffer, 1, bytes_read, host_file);

if (bytes_wrote < bytes_read) {

printf("Error: could only write %d bytes instead of %d\n", bytes_wrote, bytes_read);

exit_code = -1;

break;

}

}

return exit_code;

}