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49 lines
1.2 KiB
49 lines
1.2 KiB
/* |
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* --- SDE-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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* Filename: package/.../util-linux/freeramdisk.c |
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* Copyright (C) 2008 The OpenSDE Project |
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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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* --- SDE-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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