49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/*
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* disalloc.c - aeb - 940501 - Disallocate virtual terminal(s)
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* Renamed deallocvt.
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*/
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#include "internal.h"
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#include <stdlib.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <linux/vt.h>
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#include <stdio.h>
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extern int getfd(void);
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char *progname;
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int
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deallocvt_main(int argc, char *argv[]) {
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int fd, num, i;
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if (argc < 1) /* unlikely */
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exit(1);
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progname = argv[0];
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fd = get_console_fd("/dev/console");
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if (argc == 1) {
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/* deallocate all unused consoles */
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if (ioctl(fd,VT_DISALLOCATE,0)) {
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perror("VT_DISALLOCATE");
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exit(1);
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}
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} else
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for (i = 1; i < argc; i++) {
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num = atoi(argv[i]);
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if (num == 0)
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fprintf(stderr, "%s: 0: illegal VT number\n", progname);
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else if (num == 1)
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fprintf(stderr, "%s: VT 1 cannot be deallocated\n", progname);
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else
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if (ioctl(fd,VT_DISALLOCATE,num)) {
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perror("VT_DISALLOCATE");
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fprintf(stderr, "%s: could not deallocate console %d\n",
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progname, num);
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exit(1);
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}
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}
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exit(0);
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}
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