Whack getaddrinfo() patch around until it works, more or less, on

machines without IPv6.  Or at least it works on HPUX 10.20 ...
This commit is contained in:
Tom Lane 2003-04-02 00:49:28 +00:00
parent f8a15f632d
commit 1da6eb7fda
13 changed files with 364 additions and 95 deletions

View File

@ -1,5 +1,5 @@
# Macros that test various C library quirks
# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.15 2003/01/28 21:57:12 petere Exp $
# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.16 2003/04/02 00:49:27 tgl Exp $
# PGAC_VAR_INT_TIMEZONE
@ -62,6 +62,16 @@ AC_DEFUN([PGAC_STRUCT_SOCKADDR_UN],
])])# PGAC_STRUCT_SOCKADDR_UN
# PGAC_STRUCT_ADDRINFO
# -----------------------
# If `struct addrinfo' exists, define HAVE_STRUCT_ADDRINFO.
AC_DEFUN([PGAC_STRUCT_ADDRINFO],
[AC_CHECK_TYPES([struct addrinfo], [], [],
[#include <sys/socket.h>
#include <netdb.h>
])])# PGAC_STRUCT_ADDRINFO
# PGAC_FUNC_POSIX_SIGNALS
# -----------------------
# Check to see if the machine has the POSIX signal interface. Define

149
configure vendored
View File

@ -9392,6 +9392,66 @@ cat >>confdefs.h <<_ACEOF
_ACEOF
fi
echo "$as_me:$LINENO: checking for struct addrinfo" >&5
echo $ECHO_N "checking for struct addrinfo... $ECHO_C" >&6
if test "${ac_cv_type_struct_addrinfo+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
#include <sys/socket.h>
#include <netdb.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
if ((struct addrinfo *) 0)
return 0;
if (sizeof (struct addrinfo))
return 0;
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_type_struct_addrinfo=yes
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
ac_cv_type_struct_addrinfo=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_type_struct_addrinfo" >&5
echo "${ECHO_T}$ac_cv_type_struct_addrinfo" >&6
if test $ac_cv_type_struct_addrinfo = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_STRUCT_ADDRINFO 1
_ACEOF
fi
@ -10950,8 +11010,7 @@ fi
for ac_func in fseeko getaddrinfo gethostname getopt_long getrusage inet_aton random srandom strcasecmp strdup strerror strtol strtoul
for ac_func in fseeko gethostname getopt_long getrusage inet_aton random srandom strcasecmp strdup strerror strtol strtoul
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
echo "$as_me:$LINENO: checking for $ac_func" >&5
@ -11030,6 +11089,92 @@ done
# system's version of getaddrinfo(), if any, may be used only if we found
# a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
for ac_func in getaddrinfo
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
echo "$as_me:$LINENO: checking for $ac_func" >&5
echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
if eval "test \"\${$as_ac_var+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char $ac_func ();
char (*f) ();
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
f = $ac_func;
#endif
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
eval "$as_ac_var=yes"
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
eval "$as_ac_var=no"
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
if test `eval echo '${'$as_ac_var'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
else
LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
fi
done
else
LIBOBJS="$LIBOBJS getaddrinfo.$ac_objext"
fi
# BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
# We override the previous test that said fseeko/ftello didn't exist
# OS tests are also done in include/c.h and port/fseeko.c

View File

@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $Header: /cvsroot/pgsql/configure.in,v 1.240 2003/03/29 11:31:51 petere Exp $
dnl $Header: /cvsroot/pgsql/configure.in,v 1.241 2003/04/02 00:49:28 tgl Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -746,6 +746,7 @@ AC_C_VOLATILE
AC_STRUCT_TIMEZONE
PGAC_UNION_SEMUN
PGAC_STRUCT_SOCKADDR_UN
PGAC_STRUCT_ADDRINFO
AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
[#include <sys/param.h>
@ -847,7 +848,15 @@ else
AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
fi
AC_REPLACE_FUNCS([fseeko getaddrinfo gethostname getopt_long getrusage inet_aton random srandom strcasecmp strdup strerror strtol strtoul])
AC_REPLACE_FUNCS([fseeko gethostname getopt_long getrusage inet_aton random srandom strcasecmp strdup strerror strtol strtoul])
# system's version of getaddrinfo(), if any, may be used only if we found
# a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
AC_REPLACE_FUNCS([getaddrinfo])
else
AC_LIBOBJ(getaddrinfo)
fi
# BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
# We override the previous test that said fseeko/ftello didn't exist

View File

@ -1,14 +1,14 @@
/*-------------------------------------------------------------------------
*
* ip.c
* Handles IPv6
* IPv6-aware network access.
*
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/ip.c,v 1.3 2003/03/29 11:31:51 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/ip.c,v 1.4 2003/04/02 00:49:28 tgl Exp $
*
* This file and the IPV6 implementation were initially provided by
* Nigel Kukard <nkukard@lbsd.net>, Linux Based Systems Design
@ -17,11 +17,8 @@
*-------------------------------------------------------------------------
*/
#ifndef FRONTEND
#include "postgres.h"
#else
#include "postgres_fe.h"
#endif
/* This is intended to be used in both frontend and backend, so use c.h */
#include "c.h"
#include <errno.h>
#include <unistd.h>
@ -36,18 +33,25 @@
#include <arpa/inet.h>
#include <sys/file.h>
#include "libpq/libpq.h"
#include "miscadmin.h"
#include "libpq/ip.h"
#ifdef FRONTEND
#define elog fprintf
#define LOG stderr
static int rangeSockAddrAF_INET(const SockAddr *addr,
const SockAddr *netaddr,
const SockAddr *netmask);
#ifdef HAVE_IPV6
static int rangeSockAddrAF_INET6(const SockAddr *addr,
const SockAddr *netaddr,
const SockAddr *netmask);
static void convSockAddr6to4(const SockAddr *src, SockAddr *dst);
#endif
#if defined(HAVE_UNIX_SOCKETS)
#ifdef HAVE_UNIX_SOCKETS
static int getaddrinfo_unix(const char *path, const struct addrinfo *hintsp,
struct addrinfo **result);
#endif /* HAVE_UNIX_SOCKETS */
#endif
/*
* getaddrinfo2 - get address info for Unix, IPv4 and IPv6 sockets
@ -59,15 +63,11 @@ getaddrinfo2(const char *hostname, const char *servname,
#ifdef HAVE_UNIX_SOCKETS
if (hintp != NULL && hintp->ai_family == AF_UNIX)
return getaddrinfo_unix(servname, hintp, result);
else
{
#endif /* HAVE_UNIX_SOCKETS */
/* NULL has special meaning to getaddrinfo */
return getaddrinfo((!hostname || hostname[0] == '\0') ? NULL : hostname,
servname, hintp, result);
#ifdef HAVE_UNIX_SOCKETS
}
#endif /* HAVE_UNIX_SOCKETS */
#endif
/* NULL has special meaning to getaddrinfo */
return getaddrinfo((!hostname || hostname[0] == '\0') ? NULL : hostname,
servname, hintp, result);
}
@ -98,11 +98,11 @@ freeaddrinfo2(int hint_ai_family, struct addrinfo *ai)
#if defined(HAVE_UNIX_SOCKETS)
/* -------
* getaddrinfo_unix - get unix socket info using IPv6
* getaddrinfo_unix - get unix socket info using IPv6-compatible API
*
* Bug: only one addrinfo is set even though hintsp is NULL or
* ai_socktype is 0
* AI_CANNONNAME does not support.
* AI_CANONNAME is not supported.
* -------
*/
static int
@ -128,7 +128,7 @@ getaddrinfo_unix(const char *path, const struct addrinfo *hintsp,
if (hints.ai_family != AF_UNIX)
{
elog(LOG, "hints.ai_family is invalid in getaddrinfo_unix()\n");
/* shouldn't have been called */
return EAI_ADDRFAMILY;
}
@ -247,8 +247,6 @@ SockAddr_pton(SockAddr *sa, const char *src)
}
/*
* isAF_INETx - check to see if sa is AF_INET or AF_INET6
*/
@ -267,7 +265,8 @@ isAF_INETx(const int family)
int
rangeSockAddr(const SockAddr *addr, const SockAddr *netaddr, const SockAddr *netmask)
rangeSockAddr(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask)
{
if (addr->sa.sa_family == AF_INET)
return rangeSockAddrAF_INET(addr, netaddr, netmask);
@ -279,7 +278,7 @@ rangeSockAddr(const SockAddr *addr, const SockAddr *netaddr, const SockAddr *net
return 0;
}
int
static int
rangeSockAddrAF_INET(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask)
{
@ -294,8 +293,10 @@ rangeSockAddrAF_INET(const SockAddr *addr, const SockAddr *netaddr,
return 0;
}
#ifdef HAVE_IPV6
int
static int
rangeSockAddrAF_INET6(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask)
{
@ -324,7 +325,7 @@ rangeSockAddrAF_INET6(const SockAddr *addr, const SockAddr *netaddr,
return 1;
}
void
static void
convSockAddr6to4(const SockAddr *src, SockAddr *dst)
{
char addr_str[INET6_ADDRSTRLEN];
@ -337,6 +338,8 @@ convSockAddr6to4(const SockAddr *src, SockAddr *dst)
+ (src->in6.sin6_addr.s6_addr[14] << 8)
+ (src->in6.sin6_addr.s6_addr[13] << 16)
+ (src->in6.sin6_addr.s6_addr[12] << 24);
SockAddr_ntop(src, addr_str, INET6_ADDRSTRLEN, 0);
}
#endif
#endif /* HAVE_IPV6 */

View File

@ -29,7 +29,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pqcomm.c,v 1.148 2003/03/29 11:31:51 petere Exp $
* $Id: pqcomm.c,v 1.149 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -204,7 +204,11 @@ StreamServerPort(int family, char *hostName, unsigned short portNumber,
struct addrinfo *addrs = NULL;
struct addrinfo hint;
Assert(family == AF_INET6 || family == AF_INET || family == AF_UNIX);
#ifdef HAVE_UNIX_SOCKETS
Assert(family == AF_UNIX || isAF_INETx(family));
#else
Assert(isAF_INETx(family));
#endif
/* Initialize hint structure */
MemSet(&hint, 0, sizeof(hint));
@ -229,8 +233,8 @@ StreamServerPort(int family, char *hostName, unsigned short portNumber,
ret = getaddrinfo2(hostName, service, &hint, &addrs);
if (ret || addrs == NULL)
{
elog(LOG, "server socket failure: getaddrinfo2()%s: %s",
(family == AF_INET6) ? " using IPv6" : "", gai_strerror(ret));
elog(LOG, "server socket failure: getaddrinfo2(): %s",
gai_strerror(ret));
if (addrs != NULL)
freeaddrinfo2(hint.ai_family, addrs);
return STATUS_ERROR;

View File

@ -16,7 +16,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pqformat.c,v 1.25 2002/09/04 23:31:35 tgl Exp $
* $Id: pqformat.c,v 1.26 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -49,13 +49,15 @@
#include <errno.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifdef HAVE_ENDIAN_H
#include <endian.h>
#endif
#include "libpq/libpq.h"
#include "libpq/pqformat.h"
#include "mb/pg_wchar.h"
#ifdef HAVE_ENDIAN_H
#include <endian.h>
#endif
/* --------------------------------

View File

@ -1,12 +1,34 @@
/* $Header: /cvsroot/pgsql/src/include/getaddrinfo.h,v 1.1 2003/03/29 11:31:51 petere Exp $ */
/*-------------------------------------------------------------------------
*
* getaddrinfo.h
* Support getaddrinfo() on platforms that don't have it.
*
*
* Note: we use our own routines on platforms that don't HAVE_STRUCT_ADDRINFO,
* whether or not the library routine getaddrinfo() can be found. This
* policy is needed because on some platforms a manually installed libbind.a
* may provide getaddrinfo(), yet the system headers may not provide the
* struct definitions needed to call it. To avoid conflict with the libbind
* definition in such cases, we rename our routines to pg_xxx() via macros.
*
* This code will also work on platforms where struct addrinfo is defined
* in the system headers but no getaddrinfo() can be located.
*
* Copyright (c) 2003, PostgreSQL Global Development Group
*
* $Id: getaddrinfo.h,v 1.2 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef GETADDRINFO_H
#define GETADDRINFO_H
#include "c.h"
#include <sys/socket.h>
#include <netdb.h>
#ifndef HAVE_STRUCT_ADDRINFO
struct addrinfo {
int ai_flags;
int ai_family;
@ -18,13 +40,6 @@ struct addrinfo {
struct addrinfo *ai_next;
};
int getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
void freeaddrinfo(struct addrinfo *res);
const char *gai_strerror(int errcode);
#define EAI_BADFLAGS -1
#define EAI_NONAME -2
#define EAI_AGAIN -3
@ -40,4 +55,32 @@ const char *gai_strerror(int errcode);
#define AI_PASSIVE 0x0001
#define AI_NUMERICHOST 0x0004
#endif /* HAVE_STRUCT_ADDRINFO */
#ifndef HAVE_GETADDRINFO
/* Rename private copies per comments above */
#ifdef getaddrinfo
#undef getaddrinfo
#endif
#define getaddrinfo pg_getaddrinfo
#ifdef freeaddrinfo
#undef freeaddrinfo
#endif
#define freeaddrinfo pg_freeaddrinfo
#ifdef gai_strerror
#undef gai_strerror
#endif
#define gai_strerror pg_gai_strerror
extern int getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
extern void freeaddrinfo(struct addrinfo *res);
extern const char *gai_strerror(int errcode);
#endif /* HAVE_GETADDRINFO */
#endif /* GETADDRINFO_H */

View File

@ -1,28 +1,32 @@
/*-------------------------------------------------------------------------
*
* ip.h
* Definitions for IPv6-aware network access.
*
* Copyright (c) 2003, PostgreSQL Global Development Group
*
* $Id: ip.h,v 1.3 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef IP_H
#define IP_H
#include "c.h"
#include <sys/socket.h>
#include <netdb.h>
#include "libpq/pqcomm.h"
#ifndef HAVE_GETADDRINFO
#include "getaddrinfo.h"
#endif
#include "libpq/pqcomm.h"
int getaddrinfo2(const char *hostname, const char *servname,
const struct addrinfo *hintp, struct addrinfo **result);
void freeaddrinfo2(int hint_ai_family, struct addrinfo *ai);
char *SockAddr_ntop(const SockAddr *sa, char *dst, size_t cnt, int v4conv);
int SockAddr_pton(SockAddr *sa, const char *src);
int isAF_INETx(const int family);
int rangeSockAddr(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask);
int rangeSockAddrAF_INET(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask);
#ifdef HAVE_IPV6
int rangeSockAddrAF_INET6(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask);
void convSockAddr6to4(const SockAddr *src, SockAddr *dst);
#endif
extern int getaddrinfo2(const char *hostname, const char *servname,
const struct addrinfo *hintp,
struct addrinfo **result);
extern void freeaddrinfo2(int hint_ai_family, struct addrinfo *ai);
extern char *SockAddr_ntop(const SockAddr *sa, char *dst, size_t cnt,
int v4conv);
extern int SockAddr_pton(SockAddr *sa, const char *src);
extern int isAF_INETx(const int family);
extern int rangeSockAddr(const SockAddr *addr, const SockAddr *netaddr,
const SockAddr *netmask);
#endif /* IP_H */

View File

@ -8,7 +8,7 @@
* or in pg_config.h afterwards. Of course, if you edit pg_config.h, then your
* changes will be overwritten the next time you run configure.
*
* $Id: pg_config.h.in,v 1.42 2003/03/29 11:31:51 petere Exp $
* $Id: pg_config.h.in,v 1.43 2003/04/02 00:49:28 tgl Exp $
*/
#ifndef PG_CONFIG_H
@ -465,6 +465,9 @@
/* Set to 1 if you have gethostname() */
#undef HAVE_GETHOSTNAME
/* Set to 1 if you have getpeereid() */
#undef HAVE_GETPEEREID
/* Set to 1 if struct tm has a tm_zone member */
#undef HAVE_TM_ZONE
@ -589,6 +592,9 @@
/* Set to 1 if you have struct sockaddr_un */
#undef HAVE_STRUCT_SOCKADDR_UN
/* Set to 1 if you have struct addrinfo */
#undef HAVE_STRUCT_ADDRINFO
/* Set to 1 if you have krb5_ticket.enc_part2 */
#undef HAVE_KRB5_TICKET_ENC_PART2

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.229 2003/03/29 11:31:51 petere Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.230 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -881,9 +881,9 @@ connectDBStart(PGconn *conn)
* for the *last* alternative, which may not be what users expect
* :-().
*
* In either case, we never actually fall out of the loop; the
* only exits are via "break" or "goto connect_errReturn". Thus,
* there is no exit test in the for().
* Notice we never actually fall out of the loop; the only exits are
* via "break" or "goto connect_errReturn". Thus, there is no exit
* test in the for().
*/
for (addr_cur = addrs; ; addr_cur = addr_cur->ai_next)
{

View File

@ -25,7 +25,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.87 2003/03/06 03:16:55 tgl Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.88 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -35,6 +35,8 @@
#include <errno.h>
#include <signal.h>
#include <time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifdef WIN32
#include "win32.h"

View File

@ -1,12 +1,28 @@
/* $Header: /cvsroot/pgsql/src/port/getaddrinfo.c,v 1.1 2003/03/29 11:31:52 petere Exp $ */
/*-------------------------------------------------------------------------
*
* getaddrinfo.c
* Support getaddrinfo() on platforms that don't have it.
*
*
* Copyright (c) 2003, PostgreSQL Global Development Group
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/port/getaddrinfo.c,v 1.2 2003/04/02 00:49:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
/* This is intended to be used in both frontend and backend, so use c.h */
#include "c.h"
#include "getaddrinfo.h"
#include <netdb.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "getaddrinfo.h"
int
getaddrinfo(const char *node, const char *service,
@ -16,7 +32,8 @@ getaddrinfo(const char *node, const char *service,
struct addrinfo *ai;
struct sockaddr_in sin, *psin;
if (!hints || (hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC))
if (!hints ||
(hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC))
return EAI_FAMILY;
if (hints->ai_socktype != SOCK_STREAM)
@ -25,6 +42,10 @@ getaddrinfo(const char *node, const char *service,
if (!node && !service)
return EAI_NONAME;
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
if (node)
{
if (node[0] == '\0')
@ -66,7 +87,7 @@ getaddrinfo(const char *node, const char *service,
}
if (service)
sin.sin_port = htons((unsigned short)atoi(service));
sin.sin_port = htons((unsigned short) atoi(service));
ai = malloc(sizeof(*ai));
if (!ai)
@ -78,11 +99,11 @@ getaddrinfo(const char *node, const char *service,
return EAI_MEMORY;
}
memcpy(psin, &sin, sizeof(sin));
memcpy(psin, &sin, sizeof(*psin));
ai->ai_family = hints->ai_family;
ai->ai_socktype = hints->ai_socktype;
ai->ai_protocol = hints->ai_protocol;
ai->ai_family = AF_INET;
ai->ai_socktype = SOCK_STREAM;
ai->ai_protocol = IPPROTO_TCP;
ai->ai_addrlen = sizeof(*psin);
ai->ai_addr = (struct sockaddr *) psin;
ai->ai_canonname = NULL;
@ -106,9 +127,10 @@ freeaddrinfo(struct addrinfo *res)
}
const char*
const char *
gai_strerror(int errcode)
{
#ifdef HAVE_HSTRERROR
int hcode;
switch (errcode)
@ -129,4 +151,21 @@ gai_strerror(int errcode)
}
return hstrerror(hcode);
#else /* !HAVE_HSTRERROR */
switch (errcode)
{
case EAI_NONAME:
return "Unknown host";
case EAI_NODATA:
return "No address associated with name";
case EAI_AGAIN:
return "Host name lookup failure";
case EAI_FAIL:
default:
return "Unknown server error";
}
#endif /* HAVE_HSTRERROR */
}

View File

@ -1,6 +1,8 @@
if test "$GCC" = yes ; then
CFLAGS=-O2
CPPFLAGS="-D_XOPEN_SOURCE_EXTENDED"
CFLAGS="-O2"
else
CC="$CC -Ae"
CFLAGS=+O2
CPPFLAGS="-D_XOPEN_SOURCE_EXTENDED"
CFLAGS="+O2"
fi