Function write_image

util/ifdtool/ifdtool.c:1267–1281

}

static void write_image(const char *filename, char *image, int size)
{
	int new_fd;
	printf("Writing new image to %s\n", filename);

	// Now write out new image
	new_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
	if (new_fd < 0) {
		perror("Error while trying to open file");
		exit(EXIT_FAILURE);
	}
	if (write(new_fd, image, size) != size)
		perror("Error while writing");
	close(new_fd);
}

static void set_spi_frequency(const char *filename, char *image, int size,
			      enum spi_frequency freq)