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Do not print error message for errno when showing the usage string. Use the same usage string in the two places where the usage is printed.

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This commit is contained in:
nvt-se 2009-11-03 14:00:28 +00:00
parent 2662c87d60
commit 9b801b59c7
1 changed files with 5 additions and 3 deletions
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8
tools/tapslip6.c
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@ -29,7 +29,7 @@
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: tapslip6.c,v 1.2 2009/11/02 11:46:49 adamdunkels Exp $
* $Id: tapslip6.c,v 1.3 2009/11/03 14:00:28 nvt-se Exp $
*
*/
@ -64,6 +64,8 @@ void write_to_serial(int outfd, void *inbuf, int len);
//#define PROGRESS(s) fprintf(stderr, s)
#define PROGRESS(s) do { } while (0)
#define USAGE_STRING "usage: tapslip6 [-B baudrate] [-s siodev] [-t tundev] ipaddress netmask"
char tundev[32] = { "tap0" };
int
@ -512,7 +514,7 @@ main(int argc, char **argv)
case '?':
case 'h':
default:
err(1, "usage: tapslip6 [-B baudrate] [-s siodev] [-t tundev] ipaddress netmask");
errx(1, USAGE_STRING);
break;
}
}
@ -520,7 +522,7 @@ main(int argc, char **argv)
argv += (optind - 1);
if(argc != 3 && argc != 4) {
err(1, "usage: tapslip6 [-s siodev] [-t tundev] ipaddress netmask ");
errx(1, USAGE_STRING);
}
ipaddr = argv[1];
netmask = argv[2];