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slcan_attach.c: Reformat help/usage output to be compatible with help2man.

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Signed-off-by: Alexander Gerasiov <gq@debian.org>

Gbp-Pq: Name 0023-slcan_attach.c-Reformat-help-usage-output-to-be-comp.patch
This commit is contained in:
Alexander Gerasiov
2020-04-27 08:20:09 +03:00
committed by Alexander Gerasiov
parent 8e6c11128d
commit 09f6dc6d17
1 changed files with 15 additions and 14 deletions
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slcan_attach.c
+15 -14
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@@ -57,22 +57,23 @@
void print_usage(char *prg)
{
fprintf(stderr, "%s - userspace tool for serial line CAN interface driver SLCAN.\n", prg);
fprintf(stderr, "\nUsage: %s [options] tty\n\n", prg);
fprintf(stderr, "Options: -o (send open command 'O\\r')\n");
fprintf(stderr, " -l (send listen only command 'L\\r', overrides -o)\n");
fprintf(stderr, " -c (send close command 'C\\r')\n");
fprintf(stderr, " -f (read status flags with 'F\\r' to reset error states)\n");
fprintf(stderr, " -s <speed> (set CAN speed 0..8)\n");
fprintf(stderr, " -b <btr> (set bit time register value)\n");
fprintf(stderr, " -d (only detach line discipline)\n");
fprintf(stderr, " -w (attach - wait for keypess - detach)\n");
fprintf(stderr, " -n <name> (assign created netdevice name)\n");
fprintf(stderr, "Options:\n");
fprintf(stderr, " -o (send open command 'O\\r')\n");
fprintf(stderr, " -l (send listen only command 'L\\r', overrides -o)\n");
fprintf(stderr, " -c (send close command 'C\\r')\n");
fprintf(stderr, " -f (read status flags with 'F\\r' to reset error states)\n");
fprintf(stderr, " -s <speed> (set CAN speed 0..8)\n");
fprintf(stderr, " -b <btr> (set bit time register value)\n");
fprintf(stderr, " -d (only detach line discipline)\n");
fprintf(stderr, " -w (attach - wait for keypess - detach)\n");
fprintf(stderr, " -n <name> (assign created netdevice name)\n");
fprintf(stderr, "\nExamples:\n");
fprintf(stderr, "slcan_attach -w -o -f -s6 -c /dev/ttyS1\n");
fprintf(stderr, "slcan_attach /dev/ttyS1\n");
fprintf(stderr, "slcan_attach -d /dev/ttyS1\n");
fprintf(stderr, "slcan_attach -w -n can15 /dev/ttyS1\n");
fprintf(stderr, "\n");
fprintf(stderr, "slcan_attach -w -o -f -s6 -c /dev/ttyS1\n\n");
fprintf(stderr, "slcan_attach /dev/ttyS1\n\n");
fprintf(stderr, "slcan_attach -d /dev/ttyS1\n\n");
fprintf(stderr, "slcan_attach -w -n can15 /dev/ttyS1\n\n");
exit(1);
}