diff options
Diffstat (limited to 'gl/netdb.in.h')
| -rw-r--r-- | gl/netdb.in.h | 116 |
1 files changed, 63 insertions, 53 deletions
diff --git a/gl/netdb.in.h b/gl/netdb.in.h index 363206d3..73db46a5 100644 --- a/gl/netdb.in.h +++ b/gl/netdb.in.h @@ -1,5 +1,5 @@ /* Provide a netdb.h header file for systems lacking it (read: MinGW). - Copyright (C) 2008 Free Software Foundation, Inc. + Copyright (C) 2008-2010 Free Software Foundation, Inc. Written by Simon Josefsson. This program is free software; you can redistribute it and/or modify @@ -22,11 +22,11 @@ #ifndef _GL_NETDB_H -#if @HAVE_NETDB_H@ - -# if __GNUC__ >= 3 +#if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ -# endif +#endif + +#if @HAVE_NETDB_H@ /* The include_next requires a split double-inclusion guard. */ # @INCLUDE_NEXT@ @NEXT_NETDB_H@ @@ -39,6 +39,8 @@ /* Get netdb.h definitions such as struct hostent for MinGW. */ #include <sys/socket.h> +/* The definition of _GL_ARG_NONNULL is copied here. */ + /* Declarations for a platform that lacks <netdb.h>, or where it is incomplete. */ @@ -49,53 +51,59 @@ /* Structure to contain information about address of a service provider. */ struct addrinfo { - int ai_flags; /* Input flags. */ - int ai_family; /* Protocol family for socket. */ - int ai_socktype; /* Socket type. */ - int ai_protocol; /* Protocol for socket. */ - socklen_t ai_addrlen; /* Length of socket address. */ - struct sockaddr *ai_addr; /* Socket address for socket. */ - char *ai_canonname; /* Canonical name for service location. */ - struct addrinfo *ai_next; /* Pointer to next in list. */ + int ai_flags; /* Input flags. */ + int ai_family; /* Protocol family for socket. */ + int ai_socktype; /* Socket type. */ + int ai_protocol; /* Protocol for socket. */ + socklen_t ai_addrlen; /* Length of socket address. */ + struct sockaddr *ai_addr; /* Socket address for socket. */ + char *ai_canonname; /* Canonical name for service location. */ + struct addrinfo *ai_next; /* Pointer to next in list. */ }; # endif /* Possible values for `ai_flags' field in `addrinfo' structure. */ # ifndef AI_PASSIVE -# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ +# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ # endif # ifndef AI_CANONNAME -# define AI_CANONNAME 0x0002 /* Request for canonical name. */ +# define AI_CANONNAME 0x0002 /* Request for canonical name. */ # endif # ifndef AI_NUMERICSERV -# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */ +# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */ # endif # if 0 -/* The commented out definitions below are not yet implemented in the - GNULIB getaddrinfo() replacement, so are not yet needed and may, in fact, - cause conflicts on systems with a getaddrinfo() function which does not - define them. +# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ +# endif - If they are restored, be sure to protect the definitions with #ifndef. */ -# 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.. */ -# endif /* 0 */ +/* These symbolic constants are required to be present by POSIX, but + our getaddrinfo replacement doesn't use them (yet). Setting them + to 0 on systems that doesn't have them avoids causing problems for + system getaddrinfo implementations that would be confused by + unknown values. */ +# ifndef AI_V4MAPPED +# define AI_V4MAPPED 0 /* 0x0008: IPv4 mapped addresses are acceptable. */ +# endif +# ifndef AI_ALL +# define AI_ALL 0 /* 0x0010: Return IPv4 mapped and IPv6 addresses. */ +# endif +# ifndef AI_ADDRCONFIG +# define AI_ADDRCONFIG 0 /* 0x0020: Use configuration of this host to choose + returned address type. */ +# endif /* Error values for `getaddrinfo' function. */ # ifndef EAI_BADFLAGS -# 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_MEMORY -10 /* Memory allocation failure. */ +# 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_MEMORY -10 /* Memory allocation failure. */ # endif /* Since EAI_NODATA is deprecated by RFC3493, some systems (at least @@ -107,15 +115,15 @@ struct addrinfo # ifndef EAI_OVERFLOW /* Not defined on mingw32 and Haiku. */ -# define EAI_OVERFLOW -12 /* Argument buffer overflow. */ +# define EAI_OVERFLOW -12 /* Argument buffer overflow. */ # endif # ifndef EAI_ADDRFAMILY /* Not defined on mingw32. */ -# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ +# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ # endif # ifndef EAI_SYSTEM /* Not defined on mingw32. */ -# define EAI_SYSTEM -11 /* System error returned in `errno'. */ +# define EAI_SYSTEM -11 /* System error returned in `errno'. */ # endif # if 0 @@ -124,12 +132,12 @@ struct addrinfo If they are restored, be sure to protect the definitions with #ifndef. */ # ifndef EAI_INPROGRESS -# 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. */ +# 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 # endif @@ -139,16 +147,17 @@ struct addrinfo For more details, see the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */ extern int getaddrinfo (const char *restrict nodename, - const char *restrict servname, - const struct addrinfo *restrict hints, - struct addrinfo **restrict res); + const char *restrict servname, + const struct addrinfo *restrict hints, + struct addrinfo **restrict res) + _GL_ARG_NONNULL ((4)); # endif # if !@HAVE_DECL_FREEADDRINFO@ /* Free `addrinfo' structure AI including associated storage. For more details, see the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */ -extern void freeaddrinfo (struct addrinfo *ai); +extern void freeaddrinfo (struct addrinfo *ai) _GL_ARG_NONNULL ((1)); # endif # if !@HAVE_DECL_GAI_STRERROR@ @@ -162,10 +171,11 @@ extern const char *gai_strerror (int ecode); /* Convert socket address to printable node and service names. For more details, see the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/getnameinfo.html>. */ -extern int getnameinfo(const struct sockaddr *restrict sa, socklen_t salen, - char *restrict node, socklen_t nodelen, - char *restrict service, socklen_t servicelen, - int flags); +extern int getnameinfo (const struct sockaddr *restrict sa, socklen_t salen, + char *restrict node, socklen_t nodelen, + char *restrict service, socklen_t servicelen, + int flags) + _GL_ARG_NONNULL ((1)); # endif /* Possible flags for getnameinfo. */ |