diff options
Diffstat (limited to 'support/support_format_netent.c')
-rw-r--r-- | support/support_format_netent.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/support/support_format_netent.c b/support/support_format_netent.c new file mode 100644 index 0000000000..020f5720d9 --- /dev/null +++ b/support/support_format_netent.c @@ -0,0 +1,52 @@ +/* Convert a struct netent object to a string. + Copyright (C) 2016-2017 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <support/format_nss.h> + +#include <arpa/inet.h> +#include <stdio.h> +#include <support/support.h> +#include <support/xmemstream.h> + +char * +support_format_netent (struct netent *e) +{ + if (e == NULL) + { + char *value = support_format_herrno (h_errno); + char *result = xasprintf ("error: %s\n", value); + free (value); + return result; + } + + struct xmemstream mem; + xopen_memstream (&mem); + + if (e->n_name != NULL) + fprintf (mem.out, "name: %s\n", e->n_name); + for (char **ap = e->n_aliases; *ap != NULL; ++ap) + fprintf (mem.out, "alias: %s\n", *ap); + if (e->n_addrtype != AF_INET) + fprintf (mem.out, "addrtype: %d\n", e->n_addrtype); + /* On alpha, e->n_net is an unsigned long. */ + unsigned int n_net = e->n_net; + fprintf (mem.out, "net: 0x%08x\n", n_net); + + xfclose_memstream (&mem); + return mem.buffer; +} |