40 lines
599 B
C
40 lines
599 B
C
/* See LICENSE file for copyright and license details. */
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#include <sys/ioctl.h>
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#include <sys/mount.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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char *dev = "/dev/ram";
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int fd;
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ARGBEGIN {
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default:
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usage();
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} ARGEND;
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if (argc != 0)
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usage();
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if ((fd = open(dev, O_RDWR)) < 0)
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eprintf("open: %s:", dev);
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if (ioctl(fd, BLKFLSBUF, dev) < 0)
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eprintf("BLKFLSBUF %s:", dev);
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close(fd);
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return EXIT_SUCCESS;
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}
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