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netdb.h
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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /*! \file */ #ifndef IRS_NETDB_H #define IRS_NETDB_H 1 #include <stddef.h> /* Required on FreeBSD (and others?) for size_t. */ #include <netdb.h> /* Contractual provision. */ /* * Define if <netdb.h> does not declare struct addrinfo. */ #undef ISC_IRS_NEEDADDRINFO #ifdef ISC_IRS_NEEDADDRINFO struct addrinfo { int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ int ai_family; /* PF_xxx */ int ai_socktype; /* SOCK_xxx */ int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ size_t ai_addrlen; /* Length of ai_addr */ char *ai_canonname; /* Canonical name for hostname */ struct sockaddr *ai_addr; /* Binary address */ struct addrinfo *ai_next; /* Next structure in linked list */ }; #endif /* * Undefine all #defines we are interested in as <netdb.h> may or may not have * defined them. */ /* * Error return codes from gethostbyname() and gethostbyaddr() * (left in extern int h_errno). */ #undef NETDB_INTERNAL #undef NETDB_SUCCESS #undef HOST_NOT_FOUND #undef TRY_AGAIN #undef NO_RECOVERY #undef NO_DATA #undef NO_ADDRESS #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-Authoritive Host not found, or SERVERFAIL */ #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ #define NO_DATA 4 /* Valid name, no data record of requested type */ #define NO_ADDRESS NO_DATA /* no address, look for MX record */ /* * Error return codes from getaddrinfo(). EAI_INSECUREDATA is our own extension * and it's very unlikely to be already defined, but undef it just in case; it * at least doesn't do any harm. */ #undef EAI_ADDRFAMILY #undef EAI_AGAIN #undef EAI_BADFLAGS #undef EAI_FAIL #undef EAI_FAMILY #undef EAI_MEMORY #undef EAI_NODATA #undef EAI_NONAME #undef EAI_SERVICE #undef EAI_SOCKTYPE #undef EAI_SYSTEM #undef EAI_BADHINTS #undef EAI_PROTOCOL #undef EAI_OVERFLOW #undef EAI_INSECUREDATA #undef EAI_MAX #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ #define EAI_AGAIN 2 /* temporary failure in name resolution */ #define EAI_BADFLAGS 3 /* invalid value for ai_flags */ #define EAI_FAIL 4 /* non-recoverable failure in name resolution */ #define EAI_FAMILY 5 /* ai_family not supported */ #define EAI_MEMORY 6 /* memory allocation failure */ #define EAI_NODATA 7 /* no address associated with hostname */ #define EAI_NONAME 8 /* hostname nor servname provided, or not known */ #define EAI_SERVICE 9 /* servname not supported for ai_socktype */ #define EAI_SOCKTYPE 10 /* ai_socktype not supported */ #define EAI_SYSTEM 11 /* system error returned in errno */ #define EAI_BADHINTS 12 #define EAI_PROTOCOL 13 #define EAI_OVERFLOW 14 #define EAI_INSECUREDATA 15 #define EAI_MAX 16 /* * Flag values for getaddrinfo() */ #undef AI_PASSIVE #undef AI_CANONNAME #undef AI_NUMERICHOST #define AI_PASSIVE 0x00000001 #define AI_CANONNAME 0x00000002 #define AI_NUMERICHOST 0x00000004 /* * Flag values for getipnodebyname() */ #undef AI_V4MAPPED #undef AI_ALL #undef AI_ADDRCONFIG #undef AI_DEFAULT #define AI_V4MAPPED 0x00000008 #define AI_ALL 0x00000010 #define AI_ADDRCONFIG 0x00000020 #define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG) /* * Constants for lwres_getnameinfo() */ #undef NI_MAXHOST #undef NI_MAXSERV #define NI_MAXHOST 1025 #define NI_MAXSERV 32 /* * Flag values for lwres_getnameinfo() */ #undef NI_NOFQDN #undef NI_NUMERICHOST #undef NI_NAMEREQD #undef NI_NUMERICSERV #undef NI_DGRAM #undef NI_NUMERICSCOPE #define NI_NOFQDN 0x00000001 #define NI_NUMERICHOST 0x00000002 #define NI_NAMEREQD 0x00000004 #define NI_NUMERICSERV 0x00000008 #define NI_DGRAM 0x00000010 /* * Define to map into irs_ namespace. */ #define IRS_NAMESPACE #ifdef IRS_NAMESPACE /* * Use our versions not the ones from the C library. */ #ifdef getnameinfo #undef getnameinfo #endif #define getnameinfo irs_getnameinfo #ifdef getaddrinfo #undef getaddrinfo #endif #define getaddrinfo irs_getaddrinfo #ifdef freeaddrinfo #undef freeaddrinfo #endif #define freeaddrinfo irs_freeaddrinfo #ifdef gai_strerror #undef gai_strerror #endif #define gai_strerror irs_gai_strerror #endif extern int getaddrinfo (const char *name, const char *service, const struct addrinfo *req, struct addrinfo **pai); extern int getnameinfo (const struct sockaddr *sa, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags); extern void freeaddrinfo (struct addrinfo *ai); extern const char *gai_strerror (int ecode); /* * Define to map into irs_ namespace. */ #define IRS_NAMESPACE #ifdef IRS_NAMESPACE /* * Use our versions not the ones from the C library. */ #ifdef getnameinfo #undef getnameinfo #endif #define getnameinfo irs_getnameinfo #ifdef getaddrinfo #undef getaddrinfo #endif #define getaddrinfo irs_getaddrinfo #ifdef freeaddrinfo #undef freeaddrinfo #endif #define freeaddrinfo irs_freeaddrinfo #ifdef gai_strerror #undef gai_strerror #endif #define gai_strerror irs_gai_strerror int getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res); int getnameinfo(const struct sockaddr *sa, IRS_GETNAMEINFO_SOCKLEN_T salen, char *host, IRS_GETNAMEINFO_BUFLEN_T hostlen, char *serv, IRS_GETNAMEINFO_BUFLEN_T servlen, IRS_GETNAMEINFO_FLAGS_T flags); void freeaddrinfo (struct addrinfo *ai); IRS_GAISTRERROR_RETURN_T gai_strerror(int ecode); #endif /* * Tell Emacs to use C mode on this file. * Local variables: * mode: c * End: */ #endif /* IRS_NETDB_H */
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context.h
3.416
KB
February 20 2025 9:05:37
root
0644
dnsconf.h
2.211
KB
February 20 2025 9:05:37
root
0644
netdb.h
5.89
KB
February 20 2025 9:05:37
root
0644
platform.h
0.814
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February 20 2025 9:05:37
root
0644
resconf.h
2.643
KB
February 20 2025 9:05:37
root
0644
types.h
0.753
KB
February 20 2025 9:05:37
root
0644
version.h
0.659
KB
February 20 2025 9:05:37
root
0644
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