diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/if_index.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c index d2951c6fe1..58fb1648f2 100644 --- a/sysdeps/unix/sysv/linux/if_index.c +++ b/sysdeps/unix/sysv/linux/if_index.c @@ -28,6 +28,13 @@ #include "kernel-features.h" +/* Variable to signal whether SIOCGIFCONF is not available. */ +#if __ASSUME_SIOCGIFNAME == 0 +static int old_siocgifconf; +#else +# define old_siocgifconf 0 +#endif + /* Try to get a socket to talk to the kernel. */ #if defined SIOCGIFINDEX || defined SIOCGIFNAME static int @@ -122,11 +129,6 @@ if_nameindex (void) unsigned int nifs, i; int rq_len; struct if_nameindex *idx = NULL; -# if __ASSUME_SIOCGIFNAME == 0 - static int old_siocgifconf; -# else -# define old_siocgifconf 0 -# endif # define RQ_IFS 4 if (fd < 0) @@ -281,24 +283,19 @@ if_indextoname (unsigned int ifindex, char *ifname) void internal_function -__protocol_avaliable (int *have_inet, int *have_inet6) +__protocol_available (int *have_inet, int *have_inet6) { int fd = opensock (); unsigned int nifs; int rq_len; struct ifconf ifc; -# if __ASSUME_SIOCGIFNAME == 0 - static int old_siocgifconf; -# else -# define old_siocgifconf 0 -# endif # define RQ_IFS 4 /* Wirst case assumption. */ *have_inet = 0; *have_inet6 = 0; - if (fd == NULL) + if (fd < 0) /* We cannot open the socket. No networking at all? */ return; |