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#ifndef GETADDRINFO_H |
#ifndef GETADDRINFO_H |
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# define GETADDRINFO_H |
# define GETADDRINFO_H |
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/* Get getaddrinfo declarations, if available. Also get 'socklen_t', |
/* Get all getaddrinfo related declarations, if available. */ |
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and 'struct sockaddr' via sys/types.h which are used below. */ |
# ifdef HAVE_SYS_SOCKET_H |
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# include <sys/types.h> |
# include <sys/socket.h> |
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# include <sys/socket.h> |
# endif |
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# include <netdb.h> |
# ifdef HAVE_NETDB_H |
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# include <netdb.h> |
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# endif |
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# ifndef HAVE_STRUCT_ADDRINFO |
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# if !HAVE_GETADDRINFO |
/* Get 'socklen_t', and 'struct sockaddr' via sys/types.h which are |
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used below. */ |
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# ifdef HAVE_SYS_TYPES_H |
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# include <sys/types.h> |
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# endif |
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/* Structure to contain information about address of a service provider. */ |
/* Structure to contain information about address of a service provider. */ |
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struct addrinfo |
struct addrinfo |
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char *ai_canonname; /* Canonical name for service location. */ |
char *ai_canonname; /* Canonical name for service location. */ |
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struct addrinfo *ai_next; /* Pointer to next in list. */ |
struct addrinfo *ai_next; /* Pointer to next in list. */ |
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}; |
}; |
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# endif |
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/* Possible values for `ai_flags' field in `addrinfo' structure. */ |
/* Possible values for `ai_flags' field in `addrinfo' structure. */ |
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# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ |
# ifndef AI_PASSIVE |
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# define AI_CANONNAME 0x0002 /* Request for canonical name. */ |
# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ |
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# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ |
# define AI_CANONNAME 0x0002 /* Request for canonical name. */ |
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# define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */ |
# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ |
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# define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */ |
# define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */ |
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# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose |
# define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */ |
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# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose |
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returned address type.. */ |
returned address type.. */ |
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# endif |
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/* Error values for `getaddrinfo' function. */ |
/* Error values for `getaddrinfo' function. */ |
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# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */ |
# ifndef EAI_BADFLAGS |
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# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */ |
# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */ |
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# define EAI_AGAIN -3 /* Temporary failure in name resolution. */ |
# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */ |
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# define EAI_FAIL -4 /* Non-recoverable failure in name res. */ |
# define EAI_AGAIN -3 /* Temporary failure in name resolution. */ |
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# define EAI_NODATA -5 /* No address associated with NAME. */ |
# define EAI_FAIL -4 /* Non-recoverable failure in name res. */ |
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# define EAI_FAMILY -6 /* `ai_family' not supported. */ |
# define EAI_NODATA -5 /* No address associated with NAME. */ |
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# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */ |
# define EAI_FAMILY -6 /* `ai_family' not supported. */ |
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# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */ |
# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */ |
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# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ |
# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */ |
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# define EAI_MEMORY -10 /* Memory allocation failure. */ |
# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ |
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# define EAI_SYSTEM -11 /* System error returned in `errno'. */ |
# define EAI_MEMORY -10 /* Memory allocation failure. */ |
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# define EAI_OVERFLOW -12 /* Argument buffer overflow. */ |
# define EAI_SYSTEM -11 /* System error returned in `errno'. */ |
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# define EAI_OVERFLOW -12 /* Argument buffer overflow. */ |
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# endif |
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# ifdef __USE_GNU |
# ifdef __USE_GNU |
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# define EAI_INPROGRESS -100 /* Processing request in progress. */ |
# ifndef EAI_INPROGRESS |
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# define EAI_CANCELED -101 /* Request canceled. */ |
# define EAI_INPROGRESS -100 /* Processing request in progress. */ |
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# define EAI_NOTCANCELED -102 /* Request not canceled. */ |
# define EAI_CANCELED -101 /* Request canceled. */ |
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# define EAI_ALLDONE -103 /* All requests done. */ |
# define EAI_NOTCANCELED -102 /* Request not canceled. */ |
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# define EAI_INTR -104 /* Interrupted by a signal. */ |
# define EAI_ALLDONE -103 /* All requests done. */ |
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# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */ |
# define EAI_INTR -104 /* Interrupted by a signal. */ |
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# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */ |
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# endif |
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# endif |
# endif |
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# ifndef HAVE_DECL_GETADDRINFO |
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/* Translate name of a service location and/or a service name to set of |
/* Translate name of a service location and/or a service name to set of |
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socket addresses. |
socket addresses. |
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For more details, see the POSIX:2001 specification |
For more details, see the POSIX:2001 specification |
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const char *restrict servname, |
const char *restrict servname, |
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const struct addrinfo *restrict hints, |
const struct addrinfo *restrict hints, |
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struct addrinfo **restrict res); |
struct addrinfo **restrict res); |
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# endif |
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# ifndef HAVE_DECL_FREEADDRINFO |
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/* Free `addrinfo' structure AI including associated storage. |
/* Free `addrinfo' structure AI including associated storage. |
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For more details, see the POSIX:2001 specification |
For more details, see the POSIX:2001 specification |
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<http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */ |
<http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */ |
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extern void freeaddrinfo (struct addrinfo *ai); |
extern void freeaddrinfo (struct addrinfo *ai); |
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# endif |
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# ifndef HAVE_DECL_GAI_STRERROR |
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/* Convert error return from getaddrinfo() to a string. |
/* Convert error return from getaddrinfo() to a string. |
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For more details, see the POSIX:2001 specification |
For more details, see the POSIX:2001 specification |
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<http://www.opengroup.org/susv3xsh/gai_strerror.html>. */ |
<http://www.opengroup.org/susv3xsh/gai_strerror.html>. */ |
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extern const char *gai_strerror (int ecode); |
extern const char *gai_strerror (int ecode); |
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# endif |
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# endif /* !HAVE_GETADDRINFO */ |
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#endif /* GETADDRINFO_H */ |
#endif /* GETADDRINFO_H */ |