diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/if_index.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/if_index.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c index aa89a38e69..9b3db6abfb 100644 --- a/sysdeps/unix/sysv/linux/if_index.c +++ b/sysdeps/unix/sysv/linux/if_index.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -120,7 +120,7 @@ if_nameindex (void) unsigned int nifs, i; int rq_len; struct if_nameindex *idx = NULL; - static int new_siocgifconf = 1; + static int old_siocgifconf; #define RQ_IFS 4 if (fd < 0) @@ -130,13 +130,13 @@ if_nameindex (void) /* We may be able to get the needed buffer size directly, rather than guessing. */ - if (new_siocgifconf) + if (! old_siocgifconf) { ifc.ifc_buf = NULL; ifc.ifc_len = 0; if (__ioctl (fd, SIOCGIFCONF, &ifc) < 0 || ifc.ifc_len == 0) { - new_siocgifconf = 0; + old_siocgifconf = 1; rq_len = RQ_IFS * sizeof (struct ifreq); } else @@ -156,7 +156,7 @@ if_nameindex (void) } rq_len *= 2; } - while (ifc.ifc_len == rq_len && new_siocgifconf == 0); + while (ifc.ifc_len == rq_len && old_siocgifconf); nifs = ifc.ifc_len / sizeof (struct ifreq); @@ -212,9 +212,9 @@ if_indextoname (unsigned int ifindex, char *ifname) list. This ioctl is not present in kernels before version 2.1.50. */ struct ifreq ifr; int fd; - static int siogifname_works = 1; + static int siogifname_works_not; - if (siogifname_works) + if (!siogifname_works_not) { int serrno = errno; @@ -227,7 +227,7 @@ if_indextoname (unsigned int ifindex, char *ifname) if (__ioctl (fd, SIOGIFNAME, &ifr) < 0) { if (errno == EINVAL) - siogifname_works = 0; /* Don't make the same mistake twice. */ + siogifname_works_not = 1; /* Don't make the same mistake twice. */ } else { |