glibc/nss/nss_files/files-service.c
Ulrich Drepper 2666d441c2 Reenable nss_db with a completely new implementation
No longer is Berkeley db used.  Instead a simple hash function is used.
The database files are not updated once they are created and therefore
no complicated database is needed.
2011-06-15 21:06:18 -04:00

62 lines
2.0 KiB
C

/* Services file parser in nss_files module.
Copyright (C) 1996, 1997, 1998, 2011 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <netinet/in.h>
#include <netdb.h>
#define ENTNAME servent
#define DATABASE "services"
struct servent_data {};
#define TRAILING_LIST_MEMBER s_aliases
#define TRAILING_LIST_SEPARATOR_P isspace
#include "files-parse.c"
#define ISSLASH(c) ((c) == '/')
LINE_PARSER
("#",
STRING_FIELD (result->s_name, isspace, 1);
INT_FIELD (result->s_port, ISSLASH, 10, 0, htons);
STRING_FIELD (result->s_proto, isspace, 1);
)
#include GENERIC
DB_LOOKUP (servbyname, ':',
strlen (name) + 2 + (proto == NULL ? 0 : strlen (proto)),
("%s/%s", name, proto ?: ""),
{
/* Must match both protocol (if specified) and name. */
if (proto != NULL && strcmp (result->s_proto, proto))
continue;
LOOKUP_NAME (s_name, s_aliases)
},
const char *name, const char *proto)
DB_LOOKUP (servbyport, '=', 21 + (proto ? strlen (proto) : 0),
("%zd/%s", (ssize_t) ntohs (port), proto ?: ""),
{
/* Must match both port and protocol. */
if (result->s_port == port
&& (proto == NULL
|| strcmp (result->s_proto, proto) == 0))
break;
}, int port, const char *proto)