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slcanpty: simplify tool decription in help text 

Simplify tool description and format the empty lines like in other
(e.g. slcand) tools.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
pull/201/head
Oliver Hartkopp 2020-04-27 11:09:05 +02:00
parent d007263021
commit 5ca66d7bea
1 changed files with 7 additions and 4 deletions
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9
slcanpty.c
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@ -1,5 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */ /* SPDX-License-Identifier: GPL-2.0-only */
/* /*
* slcanpty: adapter for applications using the slcan ASCII protocol
*
* slcanpty.c - creates a pty for applications using the slcan ASCII protocol * slcanpty.c - creates a pty for applications using the slcan ASCII protocol
* and converts the ASCII data to a CAN network interface (and vice versa) * and converts the ASCII data to a CAN network interface (and vice versa)
* *
@ -428,13 +430,14 @@ int main(int argc, char **argv)
/* check command line options */ /* check command line options */
if (argc != 3) { if (argc != 3) {
fprintf(stderr, "\n"); fprintf(stderr, "%s: adapter for applications using"
fprintf(stderr, "%s creates a pty for applications using" " the slcan ASCII protocol.\n", basename(argv[0]));
fprintf(stderr, "\n%s creates a pty for applications using"
" the slcan ASCII protocol and\n", basename(argv[0])); " the slcan ASCII protocol and\n", basename(argv[0]));
fprintf(stderr, "converts the ASCII data to a CAN network" fprintf(stderr, "converts the ASCII data to a CAN network"
" interface (and vice versa)\n\n"); " interface (and vice versa)\n\n");
fprintf(stderr, "Usage: %s <pty> <can interface>\n", basename(argv[0])); fprintf(stderr, "Usage: %s <pty> <can interface>\n", basename(argv[0]));
fprintf(stderr, "Examples:\n"); fprintf(stderr, "\nExamples:\n");
fprintf(stderr, "%s /dev/ptyc0 can0 - creates /dev/ttyc0 for the slcan application\n\n", fprintf(stderr, "%s /dev/ptyc0 can0 - creates /dev/ttyc0 for the slcan application\n\n",
basename(argv[0])); basename(argv[0]));
fprintf(stderr, "e.g. for pseudo-terminal '%s %s can0' creates" fprintf(stderr, "e.g. for pseudo-terminal '%s %s can0' creates"