flush.c

来自「使用libscsi做的一系列cdrom操作工具程序。包含cdwrite,cdfl」· C语言 代码 · 共 55 行

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <scsi/all.h>
#include <scsi/da.h>



char *prg;



int
main(int argc, char **argv)
{
    SCSI *fd;
    u_char b[256];
    struct sc_inquiry inq;

    prg = argv[0];

    if (argc != 2) {
	fprintf(stderr, "usage: %s device\n", prg);
	exit(1);
    }

    if ((fd=sc_open(argv[1])) == NULL) {
	fprintf(stderr, "%s: can't open device %s: %s\n",
		prg, argv[1], strerror(errno));
	exit(1);
    }
    
    if (sc_da_synchronize_cache(fd, 0, 0, 0) < 0) {
	sc_fstatus(fd, stderr, prg, "synchronize_cache", 3);
	sc_close(fd);
	exit(1);
    }

    if (sc_da_rezero_unit(fd) < 0) {
	sc_fstatus(fd, stderr, prg, "rezero-unit", 3);
	sc_close(fd);
	exit(1);
    }

    if (sc_da_prevent_allow_medium_removal(fd, 0) < 0) {
	sc_fstatus(fd, stderr, prg, "allow-medium-removal", 3);
	sc_close(fd);
	exit(1);
    }

    sc_close(fd);

    exit(0);
}