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Diffstat (limited to 'mcon/U/d_getifaddrs.U')
| -rw-r--r-- | mcon/U/d_getifaddrs.U | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/mcon/U/d_getifaddrs.U b/mcon/U/d_getifaddrs.U new file mode 100644 index 0000000..eb12d88 --- /dev/null +++ b/mcon/U/d_getifaddrs.U @@ -0,0 +1,54 @@ +?RCS: $Id: d_getifaddrs.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2006, Christian Biere +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_getifaddrs: Trylink cat i_netif +?MAKE: -pick add $@ %< +?S:d_getifaddrs: +?S: This variable conditionally defines the HAS_GETIFADDRS symbol, which +?S: indicates to the C program that getifaddrs() support is available. +?S:. +?C:HAS_GETIFADDRS: +?C: This symbol is defined when getifaddrs() and freeifaddrs() can be used. +?C:. +?H:#$d_getifaddrs HAS_GETIFADDRS +?H:. +?LINT: set d_getifaddrs +: can we use getifaddrs? +$cat >try.c <<EOC +#include <sys/types.h> +#include <sys/socket.h> +#$i_netif I_NET_IF +#ifdef I_NET_IF +#include <net/if.h> +#endif +#include <ifaddrs.h> +int main(void) +{ + struct ifaddrs *ifa0, *ifa; + static int ret; + + ret |= getifaddrs(&ifa0); + + for (ifa = ifa0; ifa; ifa = ifa->ifa_next) { + (void) ifa->ifa_flags; + (void) ifa->ifa_addr; + (void) ifa->ifa_addr->sa_family; + (void) ifa->ifa_netmask; + if ((IFF_LOOPBACK | IFF_UP | IFF_RUNNING) & ifa->ifa_flags) + break; + } + freeifaddrs(ifa0); + return 0; +} +EOC +cyn=getifaddrs +set d_getifaddrs +eval $trylink + |