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1 | /* |
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2 | * consoletype.c |
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3 | * simple app to figure out whether the current terminal |
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4 | * is serial, console (vt), or remote (pty). |
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5 | * |
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6 | * Copyright 1999-2004 Gentoo Foundation |
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7 | * Distributed under the terms of the GNU General Public License v2 |
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8 | * $Header$ |
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9 | */ |
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10 | |
| 1 | #include <stdio.h> |
11 | #include <stdio.h> |
| 2 | #include <string.h> |
12 | #include <string.h> |
| 3 | #include <sys/ioctl.h> |
13 | #include <sys/ioctl.h> |
| 4 | #include <sys/stat.h> |
14 | #include <sys/stat.h> |
| 5 | #include <sys/sysmacros.h> |
15 | #include <sys/sysmacros.h> |
| 6 | |
16 | |
| 7 | int main(int argc, char **argv) |
17 | int main(int argc, char *argv[]) |
| 8 | { |
18 | { |
| 9 | unsigned char twelve = 12; |
19 | unsigned char twelve = 12; |
| 10 | int maj; |
20 | int maj; |
| 11 | struct stat sb; |
21 | struct stat sb; |
| 12 | |
22 | |
| 13 | fstat(0, &sb); |
23 | fstat(0, &sb); |
| 14 | maj = major(sb.st_rdev); |
24 | maj = major(sb.st_rdev); |
| 15 | if (maj != 3 && (maj < 136 || maj > 143)) { |
25 | if (maj != 3 && (maj < 136 || maj > 143)) { |
| 16 | if (ioctl (0, TIOCLINUX, &twelve) < 0) { |
26 | if (ioctl (0, TIOCLINUX, &twelve) < 0) { |
| 17 | printf ("serial\n"); |
27 | printf("serial\n"); |
| 18 | return 1; |
28 | return 1; |
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29 | } else { |
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30 | printf("vt\n"); |
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31 | return 0; |
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32 | } |
| 19 | } else { |
33 | } else { |
| 20 | printf ("vt\n"); |
34 | printf("pty\n"); |
| 21 | return 0; |
35 | return 2; |
| 22 | } |
36 | } |
| 23 | } else { |
37 | } |
| 24 | printf ("pty\n"); |
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| 25 | return 2; |
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| 26 | } |
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| 27 | } |
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