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