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Use err(3). -Wall cleaning.

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This commit is contained in:
Philippe Charnier 1997-10-01 06:27:34 +00:00
parent b51da36807
commit a89409a2eb
2 changed files with 15 additions and 15 deletions
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2
usr.sbin/mtest/mtest.8
View File

@ -47,6 +47,6 @@ Quit the program.
.El
.\" .Sh SEE ALSO
.Sh AUTHORS
Steve Deering
.An Steve Deering
.Sh BUGS
The command parser is not very flexible.

28
usr.sbin/mtest/mtest.c
View File

@ -5,6 +5,7 @@
* Written by Steve Deering, Stanford University, February 1989.
*/
#include <err.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
@ -13,6 +14,7 @@
#include <sys/ioctl.h>
#include <netinet/in.h>
int
main( argc, argv )
int argc;
char **argv;
@ -27,10 +29,7 @@ main( argc, argv )
unsigned e1, e2, e3, e4, e5, e6;
if( (so = socket( AF_INET, SOCK_DGRAM, 0 )) == -1)
{
perror( "can't open socket" );
exit( 1 );
}
err( 1, "can't open socket" );
printf( "multicast membership test program; " );
printf( "enter ? for list of commands\n" );
@ -58,7 +57,7 @@ main( argc, argv )
{
++lineptr;
while( *lineptr == ' ' || *lineptr == '\t' ) ++lineptr;
if( (n = sscanf( lineptr, "%u.%u.%u.%u %u.%u.%u.%u %u",
if( (n = sscanf( lineptr, "%u.%u.%u.%u %u.%u.%u.%u",
&g1, &g2, &g3, &g4, &i1, &i2, &i3, &i4 )) != 8 )
{
printf( "bad args\n" );
@ -70,7 +69,7 @@ main( argc, argv )
imr.imr_interface.s_addr = htonl(imr.imr_interface.s_addr);
if( setsockopt( so, IPPROTO_IP, IP_ADD_MEMBERSHIP,
&imr, sizeof(struct ip_mreq) ) == -1 )
perror( "can't join group" );
warn( "can't join group" );
else printf( "group joined\n" );
break;
}
@ -79,7 +78,7 @@ main( argc, argv )
{
++lineptr;
while( *lineptr == ' ' || *lineptr == '\t' ) ++lineptr;
if( (n = sscanf( lineptr, "%u.%u.%u.%u %u.%u.%u.%u %u",
if( (n = sscanf( lineptr, "%u.%u.%u.%u %u.%u.%u.%u",
&g1, &g2, &g3, &g4, &i1, &i2, &i3, &i4 )) != 8 )
{
printf( "bad args\n" );
@ -91,7 +90,7 @@ main( argc, argv )
imr.imr_interface.s_addr = htonl(imr.imr_interface.s_addr);
if( setsockopt( so, IPPROTO_IP, IP_DROP_MEMBERSHIP,
&imr, sizeof(struct ip_mreq) ) == -1 )
perror( "can't leave group" );
warn( "can't leave group" );
else printf( "group left\n" );
break;
}
@ -114,7 +113,7 @@ main( argc, argv )
ifr.ifr_addr.sa_data[4] = e5;
ifr.ifr_addr.sa_data[5] = e6;
if( ioctl( so, SIOCADDMULTI, &ifr ) == -1 )
perror( "can't add ether adress" );
warn( "can't add ether address" );
else printf( "ether address added\n" );
break;
}
@ -137,7 +136,7 @@ main( argc, argv )
ifr.ifr_addr.sa_data[4] = e5;
ifr.ifr_addr.sa_data[5] = e6;
if( ioctl( so, SIOCDELMULTI, &ifr ) == -1 )
perror( "can't delete ether adress" );
warn( "can't delete ether address" );
else printf( "ether address deleted\n" );
break;
}
@ -153,7 +152,7 @@ main( argc, argv )
}
if( ioctl( so, SIOCGIFFLAGS, &ifr ) == -1 )
{
perror( "can't get interface flags" );
warn( "can't get interface flags" );
break;
}
printf( "interface flags %x, ", ifr.ifr_flags );
@ -161,7 +160,7 @@ main( argc, argv )
if( f ) ifr.ifr_flags |= IFF_ALLMULTI;
else ifr.ifr_flags &= ~IFF_ALLMULTI;
if( ioctl( so, SIOCSIFFLAGS, &ifr ) == -1 )
perror( "can't set" );
warn( "can't set" );
else printf( "changed to %x\n", ifr.ifr_flags );
break;
}
@ -177,7 +176,7 @@ main( argc, argv )
}
if( ioctl( so, SIOCGIFFLAGS, &ifr ) == -1 )
{
perror( "can't get interface flags" );
warn( "can't get interface flags" );
break;
}
printf( "interface flags %x, ", ifr.ifr_flags );
@ -185,7 +184,7 @@ main( argc, argv )
if( f ) ifr.ifr_flags |= IFF_PROMISC;
else ifr.ifr_flags &= ~IFF_PROMISC;
if( ioctl( so, SIOCSIFFLAGS, &ifr ) == -1 )
perror( "can't set" );
warn( "can't set" );
else printf( "changed to %x\n", ifr.ifr_flags );
break;
}
@ -202,4 +201,5 @@ main( argc, argv )
}
}
}
return(0);
}