-/* Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2002, 2003, 2004, 2009 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
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. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/* All data returned by the network data base library are supplied in
host order and returned in network order (suitable for use in
#include <netinet/in.h>
#include <stdint.h>
-#ifdef __USE_MISC
+#if defined __USE_MISC && defined __UCLIBC_HAS_RPC__
/* This is necessary to make this include file properly replace the
Sun version. */
# include <rpc/netdb.h>
__BEGIN_DECLS
-/* Error status for non-reentrant lookup functions. */
-extern int h_errno;
+/* Error status for non-reentrant lookup functions.
+ We use a macro to access always the thread-specific `h_errno' variable. */
+#define h_errno (*__h_errno_location ())
/* Function to get address of global `h_errno' variable. */
extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
+#ifdef _LIBC
+# if !defined(__UCLIBC_HAS_TLS__) && !defined(__UCLIBC_HAS_THREADS__)
+extern int weak_const_function *__h_errno_location(void);
+# endif
+#endif
+libc_hidden_proto(__h_errno_location)
+/* Macros for accessing h_errno from inside libc. */
#ifdef _LIBC
# ifdef __UCLIBC_HAS_THREADS__
-static inline int
-__set_h_errno (int __err)
+# if defined __UCLIBC_HAS_TLS__ \
+ && (!defined NOT_IN_libc || defined IS_IN_libpthread)
+# undef h_errno
+# ifndef NOT_IN_libc
+# define h_errno __libc_h_errno
+# else
+# define h_errno h_errno /* For #ifndef h_errno tests. */
+# endif
+extern __thread int h_errno attribute_tls_model_ie;
+# define __set_h_errno(x) (h_errno = (x))
+# else
+static inline int __set_h_errno (int __err)
{
- return *__h_errno_location () = __err;
+ return *__h_errno_location () = __err;
}
+# endif /* __UCLIBC_HAS_TLS__ */
# else
+# undef h_errno
# define __set_h_errno(x) (h_errno = (x))
-# endif /* __UCLIBC_HAS_THREADS__ */
+extern int h_errno;
+# endif /* __UCLIBC_HAS_THREADS__ */
#endif /* _LIBC */
-
-#if !defined _LIBC || defined __UCLIBC_HAS_THREADS__
-/* Use a macro to access always the thread specific `h_errno' variable. */
-# define h_errno (*__h_errno_location ())
-#endif
-
-
/* Possible values left in `h_errno'. */
-#define NETDB_INTERNAL -1 /* See errno. */
-#define NETDB_SUCCESS 0 /* No problem. */
#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found. */
#define TRY_AGAIN 2 /* Non-Authoritative Host not found,
or SERVERFAIL. */
NOTIMP. */
#define NO_DATA 4 /* Valid name, no data record of requested
type. */
-#define NO_ADDRESS NO_DATA /* No address, look for MX record. */
+#if defined __USE_MISC || defined __USE_GNU
+# define NETDB_INTERNAL -1 /* See errno. */
+# define NETDB_SUCCESS 0 /* No problem. */
+# define NO_ADDRESS NO_DATA /* No address, look for MX record. */
+#endif
#ifdef __USE_XOPEN2K
/* Highest reserved Internet port number. */
# define SCOPE_DELIMITER '%'
#endif
+#if defined __USE_MISC || defined __USE_GNU
/* Print error indicated by `h_errno' variable on standard error. STR
if non-null is printed before the error string. */
-extern void herror (__const char *__str) __THROW;
+extern void herror (const char *__str) __THROW;
+libc_hidden_proto(herror)
/* Return string associated with error ERR_NUM. */
-extern __const char *hstrerror (int __err_num) __THROW;
-
+extern const char *hstrerror (int __err_num) __THROW;
+#endif
/* Description of data base entry for a single host. */
int h_addrtype; /* Host address type. */
int h_length; /* Length of address. */
char **h_addr_list; /* List of addresses from name server. */
-#define h_addr h_addr_list[0] /* Address, for backward compatibility. */
+#if defined __USE_MISC || defined __USE_GNU
+# define h_addr h_addr_list[0] /* Address, for backward compatibility.*/
+#endif
};
/* Open host data base files and mark them as staying open even after
- a later search if STAY_OPEN is non-zero. */
-extern void sethostent (int __stay_open) __THROW;
+ a later search if STAY_OPEN is non-zero.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void sethostent (int __stay_open);
-/* Close host data base files and clear `stay open' flag. */
-extern void endhostent (void) __THROW;
+/* Close host data base files and clear `stay open' flag.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void endhostent (void);
/* Get next entry from host data base file. Open data base if
- necessary. */
-extern struct hostent *gethostent (void) __THROW;
+ necessary.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct hostent *gethostent (void);
/* Return entry from host data base which address match ADDR with
- length LEN and type TYPE. */
-extern struct hostent *gethostbyaddr (__const void *__addr, __socklen_t __len,
- int __type) __THROW;
+ length LEN and type TYPE.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct hostent *gethostbyaddr (const void *__addr, __socklen_t __len,
+ int __type);
+libc_hidden_proto(gethostbyaddr)
+
+/* Return entry from host data base for host with NAME.
-/* Return entry from host data base for host with NAME. */
-extern struct hostent *gethostbyname (__const char *__name) __THROW;
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct hostent *gethostbyname (const char *__name);
+libc_hidden_proto(gethostbyname)
#ifdef __USE_MISC
/* Return entry from host data base for host with NAME. AF must be
set to the address type which is `AF_INET' for IPv4 or `AF_INET6'
- for IPv6. */
-extern struct hostent *gethostbyname2 (__const char *__name, int __af) __THROW;
+ for IPv6.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern struct hostent *gethostbyname2 (const char *__name, int __af);
+libc_hidden_proto(gethostbyname2)
/* Reentrant versions of the functions above. The additional
arguments specify a buffer of BUFLEN starting at BUF. The last
argument is a pointer to a variable which gets the value which
would be stored in the global variable `herrno' by the
- non-reentrant functions. */
+ non-reentrant functions.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
extern int gethostent_r (struct hostent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct hostent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
+ int *__restrict __h_errnop);
+libc_hidden_proto(gethostent_r)
-extern int gethostbyaddr_r (__const void *__restrict __addr, __socklen_t __len,
+extern int gethostbyaddr_r (const void *__restrict __addr, __socklen_t __len,
int __type,
struct hostent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct hostent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
+ int *__restrict __h_errnop);
+libc_hidden_proto(gethostbyaddr_r)
-extern int gethostbyname_r (__const char *__restrict __name,
+extern int gethostbyname_r (const char *__restrict __name,
struct hostent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct hostent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
+ int *__restrict __h_errnop);
+libc_hidden_proto(gethostbyname_r)
-extern int gethostbyname2_r (__const char *__restrict __name, int __af,
+extern int gethostbyname2_r (const char *__restrict __name, int __af,
struct hostent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct hostent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
+ int *__restrict __h_errnop);
+libc_hidden_proto(gethostbyname2_r)
#endif /* misc */
/* Open network data base files and mark them as staying open even
- after a later search if STAY_OPEN is non-zero. */
-extern void setnetent (int __stay_open) __THROW;
+ after a later search if STAY_OPEN is non-zero.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void setnetent (int __stay_open);
+libc_hidden_proto(setnetent)
-/* Close network data base files and clear `stay open' flag. */
-extern void endnetent (void) __THROW;
+/* Close network data base files and clear `stay open' flag.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void endnetent (void);
+libc_hidden_proto(endnetent)
/* Get next entry from network data base file. Open data base if
- necessary. */
-extern struct netent *getnetent (void) __THROW;
+ necessary.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct netent *getnetent (void);
/* Return entry from network data base which address match NET and
- type TYPE. */
-extern struct netent *getnetbyaddr (uint32_t __net, int __type)
- __THROW;
+ type TYPE.
-/* Return entry from network data base for network with NAME. */
-extern struct netent *getnetbyname (__const char *__name) __THROW;
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct netent *getnetbyaddr (uint32_t __net, int __type);
+
+/* Return entry from network data base for network with NAME.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct netent *getnetbyname (const char *__name);
#ifdef __USE_MISC
/* Reentrant versions of the functions above. The additional
arguments specify a buffer of BUFLEN starting at BUF. The last
argument is a pointer to a variable which gets the value which
would be stored in the global variable `herrno' by the
- non-reentrant functions. */
+ non-reentrant functions.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
extern int getnetent_r (struct netent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct netent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
+ int *__restrict __h_errnop);
+libc_hidden_proto(getnetent_r)
extern int getnetbyaddr_r (uint32_t __net, int __type,
struct netent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct netent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
+ int *__restrict __h_errnop);
+libc_hidden_proto(getnetbyaddr_r)
-extern int getnetbyname_r (__const char *__restrict __name,
+extern int getnetbyname_r (const char *__restrict __name,
struct netent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
struct netent **__restrict __result,
- int *__restrict __h_errnop) __THROW;
-#endif /* misc */
+ int *__restrict __h_errnop);
+libc_hidden_proto(getnetbyname_r)
+#endif /* __USE_MISC */
/* Description of data base entry for a single service. */
};
/* Open service data base files and mark them as staying open even
- after a later search if STAY_OPEN is non-zero. */
-extern void setservent (int __stay_open) __THROW;
+ after a later search if STAY_OPEN is non-zero.
-/* Close service data base files and clear `stay open' flag. */
-extern void endservent (void) __THROW;
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void setservent (int __stay_open);
+libc_hidden_proto(setservent)
+
+/* Close service data base files and clear `stay open' flag.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void endservent (void);
+libc_hidden_proto(endservent)
/* Get next entry from service data base file. Open data base if
- necessary. */
-extern struct servent *getservent (void) __THROW;
+ necessary.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct servent *getservent (void);
/* Return entry from network data base for network with NAME and
- protocol PROTO. */
-extern struct servent *getservbyname (__const char *__name,
- __const char *__proto) __THROW;
+ protocol PROTO.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct servent *getservbyname (const char *__name,
+ const char *__proto);
/* Return entry from service data base which matches port PORT and
- protocol PROTO. */
-extern struct servent *getservbyport (int __port, __const char *__proto)
- __THROW;
+ protocol PROTO.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct servent *getservbyport (int __port, const char *__proto);
+libc_hidden_proto(getservbyport)
#ifdef __USE_MISC
/* Reentrant versions of the functions above. The additional
- arguments specify a buffer of BUFLEN starting at BUF. */
+ arguments specify a buffer of BUFLEN starting at BUF.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
extern int getservent_r (struct servent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
- struct servent **__restrict __result) __THROW;
+ struct servent **__restrict __result);
+libc_hidden_proto(getservent_r)
-extern int getservbyname_r (__const char *__restrict __name,
- __const char *__restrict __proto,
+extern int getservbyname_r (const char *__restrict __name,
+ const char *__restrict __proto,
struct servent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
- struct servent **__restrict __result) __THROW;
+ struct servent **__restrict __result);
+libc_hidden_proto(getservbyname_r)
-extern int getservbyport_r (int __port, __const char *__restrict __proto,
+extern int getservbyport_r (int __port, const char *__restrict __proto,
struct servent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
- struct servent **__restrict __result) __THROW;
+ struct servent **__restrict __result);
+libc_hidden_proto(getservbyport_r)
#endif /* misc */
};
/* Open protocol data base files and mark them as staying open even
- after a later search if STAY_OPEN is non-zero. */
-extern void setprotoent (int __stay_open) __THROW;
+ after a later search if STAY_OPEN is non-zero.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void setprotoent (int __stay_open);
+libc_hidden_proto(setprotoent)
-/* Close protocol data base files and clear `stay open' flag. */
-extern void endprotoent (void) __THROW;
+/* Close protocol data base files and clear `stay open' flag.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void endprotoent (void);
+libc_hidden_proto(endprotoent)
/* Get next entry from protocol data base file. Open data base if
- necessary. */
-extern struct protoent *getprotoent (void) __THROW;
+ necessary.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct protoent *getprotoent (void);
-/* Return entry from protocol data base for network with NAME. */
-extern struct protoent *getprotobyname (__const char *__name) __THROW;
+/* Return entry from protocol data base for network with NAME.
-/* Return entry from protocol data base which number is PROTO. */
-extern struct protoent *getprotobynumber (int __proto) __THROW;
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct protoent *getprotobyname (const char *__name);
+
+/* Return entry from protocol data base which number is PROTO.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct protoent *getprotobynumber (int __proto);
#ifdef __USE_MISC
/* Reentrant versions of the functions above. The additional
- arguments specify a buffer of BUFLEN starting at BUF. */
+ arguments specify a buffer of BUFLEN starting at BUF.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
extern int getprotoent_r (struct protoent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
- struct protoent **__restrict __result) __THROW;
+ struct protoent **__restrict __result);
+libc_hidden_proto(getprotoent_r)
-extern int getprotobyname_r (__const char *__restrict __name,
+extern int getprotobyname_r (const char *__restrict __name,
struct protoent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
- struct protoent **__restrict __result) __THROW;
+ struct protoent **__restrict __result);
+libc_hidden_proto(getprotobyname_r)
extern int getprotobynumber_r (int __proto,
struct protoent *__restrict __result_buf,
char *__restrict __buf, size_t __buflen,
- struct protoent **__restrict __result) __THROW;
-#endif /* misc */
+ struct protoent **__restrict __result);
+libc_hidden_proto(getprotobynumber_r)
+
+#ifdef __UCLIBC_HAS_NETGROUP__
+/* Establish network group NETGROUP for enumeration.
-/* Establish network group NETGROUP for enumeration. */
-extern int setnetgrent (__const char *__netgroup) __THROW;
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int setnetgrent (const char *__netgroup);
-/* Free all space allocated by previous `setnetgrent' call. */
-extern void endnetgrent (void) __THROW;
+/* Free all space allocated by previous `setnetgrent' call.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern void endnetgrent (void);
/* Get next member of netgroup established by last `setnetgrent' call
- and return pointers to elements in HOSTP, USERP, and DOMAINP. */
+ and return pointers to elements in HOSTP, USERP, and DOMAINP.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int getnetgrent (char **__restrict __hostp,
char **__restrict __userp,
- char **__restrict __domainp) __THROW;
+ char **__restrict __domainp);
-#ifdef __USE_MISC
-/* Test whether NETGROUP contains the triple (HOST,USER,DOMAIN). */
-extern int innetgr (__const char *__netgroup, __const char *__host,
- __const char *__user, __const char *domain) __THROW;
-/* Reentrant version of `getnetgrent' where result is placed in BUFFER. */
+/* Test whether NETGROUP contains the triple (HOST,USER,DOMAIN).
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int innetgr (const char *__netgroup, const char *__host,
+ const char *__user, const char *__domain);
+
+/* Reentrant version of `getnetgrent' where result is placed in BUFFER.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int getnetgrent_r (char **__restrict __hostp,
char **__restrict __userp,
char **__restrict __domainp,
- char *__restrict __buffer, size_t __buflen) __THROW;
+ char *__restrict __buffer, size_t __buflen);
+#endif /* UCLIBC_HAS_NETGROUP */
#endif /* misc */
+#ifdef __UCLIBC__
+/* ruserpass - remote password check.
+ This function also exists in glibc but is undocumented */
+extern int ruserpass(const char *host, const char **aname, const char **apass);
+libc_hidden_proto(ruserpass)
+#endif
#ifdef __USE_BSD
/* Call `rshd' at port RPORT on remote machine *AHOST to execute CMD.
executed as REMUSER. In *FD2P the descriptor to the socket for the
connection is returned. The caller must have the right to use a
reserved port. When the function returns *AHOST contains the
- official host name. */
+ official host name.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int rcmd (char **__restrict __ahost, unsigned short int __rport,
- __const char *__restrict __locuser,
- __const char *__restrict __remuser,
- __const char *__restrict __cmd, int *__restrict __fd2p)
- __THROW;
+ const char *__restrict __locuser,
+ const char *__restrict __remuser,
+ const char *__restrict __cmd, int *__restrict __fd2p);
+#if 0
+/* FIXME */
/* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6. */
+ and which therefore can be used for IPv6.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int rcmd_af (char **__restrict __ahost, unsigned short int __rport,
- __const char *__restrict __locuser,
- __const char *__restrict __remuser,
- __const char *__restrict __cmd, int *__restrict __fd2p,
- sa_family_t __af) __THROW;
+ const char *__restrict __locuser,
+ const char *__restrict __remuser,
+ const char *__restrict __cmd, int *__restrict __fd2p,
+ sa_family_t __af);
+#endif
/* Call `rexecd' at port RPORT on remote machine *AHOST to execute
CMD. The process runs at the remote machine using the ID of user
NAME whose cleartext password is PASSWD. In *FD2P the descriptor
to the socket for the connection is returned. When the function
- returns *AHOST contains the official host name. */
+ returns *AHOST contains the official host name.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int rexec (char **__restrict __ahost, int __rport,
- __const char *__restrict __name,
- __const char *__restrict __pass,
- __const char *__restrict __cmd, int *__restrict __fd2p)
- __THROW;
+ const char *__restrict __name,
+ const char *__restrict __pass,
+ const char *__restrict __cmd, int *__restrict __fd2p);
/* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6. */
+ and which therefore can be used for IPv6.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int rexec_af (char **__restrict __ahost, int __rport,
- __const char *__restrict __name,
- __const char *__restrict __pass,
- __const char *__restrict __cmd, int *__restrict __fd2p,
- sa_family_t __af) __THROW;
+ const char *__restrict __name,
+ const char *__restrict __pass,
+ const char *__restrict __cmd, int *__restrict __fd2p,
+ sa_family_t __af);
+libc_hidden_proto(rexec_af)
/* Check whether user REMUSER on system RHOST is allowed to login as LOCUSER.
If SUSER is not zero the user tries to become superuser. Return 0 if
- it is possible. */
-extern int ruserok (__const char *__rhost, int __suser,
- __const char *__remuser, __const char *__locuser) __THROW;
+ it is possible.
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int ruserok (const char *__rhost, int __suser,
+ const char *__remuser, const char *__locuser);
+
+#if 0
+/* FIXME */
/* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6. */
-extern int ruserok_af (__const char *__rhost, int __suser,
- __const char *__remuser, __const char *__locuser,
- sa_family_t __af) __THROW;
+ and which therefore can be used for IPv6.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int ruserok_af (const char *__rhost, int __suser,
+ const char *__remuser, const char *__locuser,
+ sa_family_t __af);
+#endif
/* Try to allocate reserved port, returning a descriptor for a socket opened
at this port or -1 if unsuccessful. The search for an available port
- will start at ALPORT and continues with lower numbers. */
-extern int rresvport (int *__alport) __THROW;
+ will start at ALPORT and continues with lower numbers.
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int rresvport (int *__alport);
+libc_hidden_proto(rresvport)
+
+#if 0
+/* FIXME */
/* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6. */
-extern int rresvport_af (int *__alport, sa_family_t __af) __THROW;
+ and which therefore can be used for IPv6.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int rresvport_af (int *__alport, sa_family_t __af);
+#endif
#endif
struct addrinfo *ai_next; /* Pointer to next in list. */
};
-# ifdef __USE_GNU
-/* Structure used as control block for asynchronous lookup. */
-struct gaicb
-{
- const char *ar_name; /* Name to look up. */
- const char *ar_service; /* Service name. */
- const struct addrinfo *ar_request; /* Additional request specification. */
- struct addrinfo *ar_result; /* Pointer to result. */
- /* The following are internal elements. */
- int __return;
- int __unused[5];
-};
-
-/* Lookup mode. */
-# define GAI_WAIT 0
-# define GAI_NOWAIT 1
-# endif
-
/* Possible values for `ai_flags' field in `addrinfo' structure. */
# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
# define AI_CANONNAME 0x0002 /* Request for canonical name. */
# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
+# define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */
+# define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */
+# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
+ returned address type.. */
+# ifdef __USE_GNU
+# define AI_IDN 0x0040 /* IDN encode input (assuming it is encoded
+ in the current locale's character set)
+ before looking it up. */
+# define AI_CANONIDN 0x0080 /* Translate canonical name from IDN format. */
+# define AI_IDN_ALLOW_UNASSIGNED 0x0100 /* Don't reject unassigned Unicode
+ code points. */
+# define AI_IDN_USE_STD3_ASCII_RULES 0x0200 /* Validate strings according to
+ STD3 rules. */
+# endif
+# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
/* Error values for `getaddrinfo' function. */
# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */
# define EAI_AGAIN -3 /* Temporary failure in name resolution. */
# define EAI_FAIL -4 /* Non-recoverable failure in name res. */
-# define EAI_NODATA -5 /* No address associated with NAME. */
# define EAI_FAMILY -6 /* `ai_family' not supported. */
# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */
# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */
-# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
# define EAI_MEMORY -10 /* Memory allocation failure. */
# define EAI_SYSTEM -11 /* System error returned in `errno'. */
+# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
# ifdef __USE_GNU
+# define EAI_NODATA -5 /* No address associated with NAME. */
+# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
# define EAI_INPROGRESS -100 /* Processing request in progress. */
# define EAI_CANCELED -101 /* Request canceled. */
# define EAI_NOTCANCELED -102 /* Request not canceled. */
# define EAI_ALLDONE -103 /* All requests done. */
# define EAI_INTR -104 /* Interrupted by a signal. */
+# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
# endif
-# define NI_MAXHOST 1025
-# define NI_MAXSERV 32
+# ifdef __USE_MISC
+# define NI_MAXHOST 1025
+# define NI_MAXSERV 32
+# endif
# define NI_NUMERICHOST 1 /* Don't try to look up hostname. */
# define NI_NUMERICSERV 2 /* Don't convert port number to name. */
# define NI_NOFQDN 4 /* Only return nodename portion. */
# define NI_NAMEREQD 8 /* Don't return numeric addresses. */
# define NI_DGRAM 16 /* Look up UDP service rather than TCP. */
+# ifdef __USE_GNU
+# define NI_IDN 32 /* Convert name from IDN format. */
+# define NI_IDN_ALLOW_UNASSIGNED 64 /* Don't reject unassigned Unicode
+ code points. */
+# define NI_IDN_USE_STD3_ASCII_RULES 128 /* Validate strings according to
+ STD3 rules. */
+# endif
/* Translate name of a service location and/or a service name to set of
- socket addresses. */
-extern int getaddrinfo (__const char *__restrict __name,
- __const char *__restrict __service,
- __const struct addrinfo *__restrict __req,
- struct addrinfo **__restrict __pai) __THROW;
+ socket addresses.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int getaddrinfo (const char *__restrict __name,
+ const char *__restrict __service,
+ const struct addrinfo *__restrict __req,
+ struct addrinfo **__restrict __pai);
+libc_hidden_proto(getaddrinfo)
/* Free `addrinfo' structure AI including associated storage. */
extern void freeaddrinfo (struct addrinfo *__ai) __THROW;
+libc_hidden_proto(freeaddrinfo)
/* Convert error return from getaddrinfo() to a string. */
-extern __const char *gai_strerror (int __ecode) __THROW;
+extern const char *gai_strerror (int __ecode) __THROW;
+
+/* Translate a socket address to a location and service name.
-/* Translate a socket address to a location and service name. */
-extern int getnameinfo (__const struct sockaddr *__restrict __sa,
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int getnameinfo (const struct sockaddr *__restrict __sa,
socklen_t __salen, char *__restrict __host,
socklen_t __hostlen, char *__restrict __serv,
- socklen_t __servlen, unsigned int __flags) __THROW;
-
-# ifdef __USE_GNU
-/* Enqueue ENT requests from the LIST. If MODE is GAI_WAIT wait until all
- requests are handled. If WAIT is GAI_NOWAIT return immediately after
- queueing the requests and signal completion according to SIG. */
-extern int getaddrinfo_a (int __mode, struct gaicb *__list[__restrict_arr],
- int __ent, struct sigevent *__restrict __sig)
- __THROW;
-
-/* Suspend execution of the thread until at least one of the ENT requests
- in LIST is handled. If TIMEOUT is not a null pointer it specifies the
- longest time the function keeps waiting before returning with an error. */
-extern int gai_suspend (__const struct gaicb *__const __list[], int __ent,
- __const struct timespec *__timeout) __THROW;
-
-/* Get the error status of the request REQ. */
-extern int gai_error (struct gaicb *__req) __THROW;
-
-/* Cancel the requests associated with GAICBP. */
-extern int gai_cancel (struct gaicb *__gaicbp) __THROW;
-# endif /* GNU */
+ socklen_t __servlen, unsigned int __flags);
+libc_hidden_proto(getnameinfo)
#endif /* POSIX */
__END_DECLS
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