nss/nss_files/files-proto.c

   1 /* Protocols file parser in nss_files module.
   2    Copyright (C) 1996-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <netdb.h>
  20 #include <nss.h>
  21
  22 NSS_DECLARE_MODULE_FUNCTIONS (files)
  23
  24 #define ENTNAME         protoent
  25 #define DATABASE        "protocols"
  26
  27 struct protoent_data {};
  28
  29 #define TRAILING_LIST_MEMBER            p_aliases
  30 #define TRAILING_LIST_SEPARATOR_P       isspace
  31 #include "files-parse.c"
  32 LINE_PARSER
  33 ("#",
  34  STRING_FIELD (result->p_name, isspace, 1);
  35  INT_FIELD (result->p_proto, isspace, 1, 10,);
  36  )
  37
  38 #include GENERIC
  39
  40 DB_LOOKUP (protobyname, '.', 0, ("%s", name),
  41            LOOKUP_NAME (p_name, p_aliases),
  42            const char *name)
  43
  44 DB_LOOKUP (protobynumber, '=', 20, ("%zd", (ssize_t) proto),
  45            {
  46              if (result->p_proto == proto)
  47                break;
  48            }, int proto)