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/*
* --- SDE-COPYRIGHT-NOTE-BEGIN ---
* This copyright note is auto-generated by ./scripts/Create-CopyPatch.
*
* Filename: package/.../util-linux/freeramdisk.c
* Copyright (C) 2008 The OpenSDE Project
* Copyright (C) 2004 - 2006 The T2 SDE Project
*
* More information can be found in the files COPYING and README.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License. A copy of the
* GNU General Public License can be found in the file COPYING.
* --- SDE-COPYRIGHT-NOTE-END ---
*/
#include <stdio.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <errno.h>
int main(int argc, char **argv)
{
int c, f, rc=0;
if (argc == 1) {
fprintf(stderr,"Usage: %s /dev/rd/initrd "
"[ /dev/rd/12 [ .. ] ]\n", argv[0]);
return 1;
}
for (c=1; c < argc; c++) {
if ((f=open(argv[c], O_RDWR)) == -1) {
fprintf(stderr, "freeramdisk: cannot open %s: %s\n",
argv[c], strerror(errno));
rc++;
} else {
ioctl(f, BLKFLSBUF);
close(f);
}
}
return rc;
}