1
/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
3
* portable implementation of getprotobyname
5
* Copyright (c) 2010 Miru Limited.
7
* This library is free software; you can redistribute it and/or
8
* modify it under the terms of the GNU Lesser General Public
9
* License as published by the Free Software Foundation; either
10
* version 2.1 of the License, or (at your option) any later version.
12
* This library is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
* Lesser General Public License for more details.
17
* You should have received a copy of the GNU Lesser General Public
18
* License along with this library; if not, write to the Free Software
19
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23
#include <impl/framework.h>
26
//#define GETPROTOBYNAME_DEBUG
32
static char line[BUFSIZ+1];
33
static char *proto_aliases[MAXALIASES];
34
static struct pgm_protoent_t proto;
37
struct pgm_protoent_t*
38
_pgm_native_getprotobyname (
49
#ifdef CONFIG_HAVE_GETPROTOBYNAME_R
51
struct protoent protobuf;
52
if (NULL == (pe = getprotobyname_r (name, &protobuf, buf, BUFSIZ)))
54
#elif defined(CONFIG_HAVE_GETPROTOBYNAME_R2)
56
struct protoent protobuf;
57
if (0 != getprotobyname_r (name, &protobuf, buf, BUFSIZ, &pe) || NULL == pe)
60
if (NULL == (pe = getprotobyname (name)))
63
len = strlen (pe->p_name) + 1;
66
proto.p_name = memcpy (line, pe->p_name, len);
67
q = proto.p_aliases = proto_aliases;
70
const size_t alias_len = strlen (*r) + 1;
71
if ((len + alias_len) > BUFSIZ)
73
*q++ = memcpy (line + len, *r++, alias_len);
77
proto.p_proto = pe->p_proto;
81
struct pgm_protoent_t*
86
return _pgm_native_getprotobyname (name);