40 lines
745 B
C
40 lines
745 B
C
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/* eject 1.3 - Eject removable media Author: Kees J. Bot
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* 11 Dec 1993
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*/
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#define nil 0
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/ioctl.h>
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void fatal(char *label)
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{
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fprintf(stderr, "eject: %s: %s\n", label, strerror(errno));
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exit(1);
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}
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int main(int argc, char **argv)
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{
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char *device;
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int fd;
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if (argc != 2) {
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fprintf(stderr, "Usage: eject <device>\n");
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exit(1);
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}
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device= argv[1];
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/* Try to open it in whatever mode. */
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fd= open(device, O_RDONLY);
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if (fd < 0 && errno == EACCES) fd= open(device, O_WRONLY);
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if (fd < 0) fatal(device);
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/* Tell it to eject. */
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if (ioctl(fd, DIOCEJECT, nil) < 0) fatal(device);
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exit(0);
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}
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