nss/nss_files/files-service.c

   1 /* Services file parser in nss_files module.
   2    Copyright (C) 1996, 1997, 1998 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 Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    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    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <netinet/in.h>
  21 #include <netdb.h>
  22
  23
  24 #define ENTNAME         servent
  25 #define DATABASE        "services"
  26
  27 struct servent_data {};
  28
  29 #define TRAILING_LIST_MEMBER            s_aliases
  30 #define TRAILING_LIST_SEPARATOR_P       isspace
  31 #include "files-parse.c"
  32 #define ISSLASH(c) ((c) == '/')
  33 LINE_PARSER
  34 ("#",
  35  STRING_FIELD (result->s_name, isspace, 1);
  36  INT_FIELD (result->s_port, ISSLASH, 10, 0, htons);
  37  STRING_FIELD (result->s_proto, isspace, 1);
  38  )
  39
  40 #include GENERIC
  41
  42 DB_LOOKUP (servbyname, 2 + strlen (name) + (proto ? strlen (proto) : 0),
  43            (".%s/%s", name, proto ?: ""),
  44            {
  45              /* Must match both protocol (if specified) and name.  */
  46              if (proto != NULL && strcmp (result->s_proto, proto))
  47                continue;
  48              LOOKUP_NAME (s_name, s_aliases)
  49            },
  50            const char *name, const char *proto)
  51
  52 DB_LOOKUP (servbyport, 21 + (proto ? strlen (proto) : 0),
  53            ("=%d/%s", ntohs (port), proto ?: ""),
  54            {
  55              /* Must match both port and protocol.  */
  56              if (result->s_port == port
  57                  && (proto == NULL
  58                      || strcmp (result->s_proto, proto) == 0))
  59                break;
  60            }, int port, const char *proto)