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33 lines
619 B
33 lines
619 B
#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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