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author | Andreas Schneider <mail@cynapses.org> | 2009-08-20 11:30:38 +0200 |
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committer | Andreas Schneider <mail@cynapses.org> | 2009-08-20 11:43:37 +0200 |
commit | 461e46b814a5b49ffaebd308ddb6ed886f2913fd (patch) | |
tree | b15fe91fcb6d5613fc1956aa91b70ad2611f599f /include | |
parent | 4f951461517f3c5430fa87c1594c5f8e6756662c (diff) | |
download | libssh-461e46b814a5b49ffaebd308ddb6ed886f2913fd.tar.gz libssh-461e46b814a5b49ffaebd308ddb6ed886f2913fd.tar.xz libssh-461e46b814a5b49ffaebd308ddb6ed886f2913fd.zip |
Improve checks for Windows version and wspiapi.h.
Diffstat (limited to 'include')
-rwxr-xr-x | include/wspiapi.h | 999 |
1 files changed, 0 insertions, 999 deletions
diff --git a/include/wspiapi.h b/include/wspiapi.h deleted file mode 100755 index eaa4ec2f..00000000 --- a/include/wspiapi.h +++ /dev/null @@ -1,999 +0,0 @@ -/*++ - -Copyright (c) 2000, Microsoft Corporation - -Module Name: - wspiapi.h - -Abstract: - The file contains protocol independent API functions. - -Revision History: - Wed Jul 12 10:50:31 2000, Created - ---*/ - -#ifndef _WSPIAPI_H_ -#define _WSPIAPI_H_ - -#include <stdio.h> // sprintf() -#include <stdlib.h> // calloc(), strtoul() -#include <malloc.h> // calloc() -#include <string.h> // strlen(), strcmp(), strstr() - -#define WspiapiMalloc(tSize) calloc(1, (tSize)) -#define WspiapiFree(p) free(p) -#define WspiapiSwap(a, b, c) { (c) = (a); (a) = (b); (b) = (c); } -#define getaddrinfo WspiapiGetAddrInfo -#define getnameinfo WspiapiGetNameInfo -#define freeaddrinfo WspiapiFreeAddrInfo - -typedef int (WINAPI *WSPIAPI_PGETADDRINFO) ( - IN const char *nodename, - IN const char *servname, - IN const struct addrinfo *hints, - OUT struct addrinfo **res); - -typedef int (WINAPI *WSPIAPI_PGETNAMEINFO) ( - IN const struct sockaddr *sa, - IN socklen_t salen, - OUT char *host, - IN size_t hostlen, - OUT char *serv, - IN size_t servlen, - IN int flags); - -typedef void (WINAPI *WSPIAPI_PFREEADDRINFO) ( - IN struct addrinfo *ai); - - - -#ifdef __cplusplus -extern "C" { -#endif - -//////////////////////////////////////////////////////////// -// v4 only versions of getaddrinfo and friends. -// NOTE: gai_strerror is inlined in ws2tcpip.h -//////////////////////////////////////////////////////////// - -__inline -char * -WINAPI -WspiapiStrdup ( - IN const char * pszString) -/*++ - -Routine Description - allocates enough storage via calloc() for a copy of the string, - copies the string into the new memory, and returns a pointer to it. - -Arguments - pszString string to copy into new memory - -Return Value - a pointer to the newly allocated storage with the string in it. - NULL if enough memory could not be allocated, or string was NULL. - ---*/ -{ - char *pszMemory; - - if (!pszString) - return(NULL); - - pszMemory = (char *) WspiapiMalloc(strlen(pszString) + 1); - if (!pszMemory) - return(NULL); - - return(strcpy(pszMemory, pszString)); -} - - - -__inline -BOOL -WINAPI -WspiapiParseV4Address ( - IN const char * pszAddress, - OUT PDWORD pdwAddress) -/*++ - -Routine Description - get the IPv4 address (in network byte order) from its string - representation. the syntax should be a.b.c.d. - -Arguments - pszArgument string representation of the IPv4 address - ptAddress pointer to the resulting IPv4 address - -Return Value - Returns FALSE if there is an error, TRUE for success. - ---*/ -{ - DWORD dwAddress = 0; - const char *pcNext = NULL; - int iCount = 0; - - // ensure there are 3 '.' (periods) - for (pcNext = pszAddress; *pcNext != '\0'; pcNext++) - if (*pcNext == '.') - iCount++; - if (iCount != 3) - return FALSE; - - // return an error if dwAddress is INADDR_NONE (255.255.255.255) - // since this is never a valid argument to getaddrinfo. - dwAddress = inet_addr(pszAddress); - if (dwAddress == INADDR_NONE) - return FALSE; - - *pdwAddress = dwAddress; - return TRUE; -} - - - -__inline -struct addrinfo * -WINAPI -WspiapiNewAddrInfo ( - IN int iSocketType, - IN int iProtocol, - IN WORD wPort, - IN DWORD dwAddress) -/*++ - -Routine Description - allocate an addrinfo structure and populate fields. - IPv4 specific internal function, not exported. - -Arguments - iSocketType SOCK_*. can be wildcarded (zero). - iProtocol IPPROTO_*. can be wildcarded (zero). - wPort port number of service (in network order). - dwAddress IPv4 address (in network order). - -Return Value - returns an addrinfo struct, or NULL if out of memory. - ---*/ -{ - struct addrinfo *ptNew; - struct sockaddr_in *ptAddress; - - // allocate a new addrinfo structure. - ptNew = - (struct addrinfo *) WspiapiMalloc(sizeof(struct addrinfo)); - if (!ptNew) - return NULL; - - ptAddress = - (struct sockaddr_in *) WspiapiMalloc(sizeof(struct sockaddr_in)); - if (!ptAddress) - { - WspiapiFree(ptNew); - return NULL; - } - ptAddress->sin_family = AF_INET; - ptAddress->sin_port = wPort; - ptAddress->sin_addr.s_addr = dwAddress; - - // fill in the fields... - ptNew->ai_family = PF_INET; - ptNew->ai_socktype = iSocketType; - ptNew->ai_protocol = iProtocol; - ptNew->ai_addrlen = sizeof(struct sockaddr_in); - ptNew->ai_addr = (struct sockaddr *) ptAddress; - - return ptNew; -} - - - -__inline -int -WINAPI -WspiapiQueryDNS( - IN const char *pszNodeName, - IN int iSocketType, - IN int iProtocol, - IN WORD wPort, - OUT char *pszAlias, - OUT struct addrinfo **pptResult) -/*++ - -Routine Description - helper routine for WspiapiLookupNode. - performs name resolution by querying the DNS for A records. - *pptResult would need to be freed if an error is returned. - -Arguments - pszNodeName name of node to resolve. - iSocketType SOCK_*. can be wildcarded (zero). - iProtocol IPPROTO_*. can be wildcarded (zero). - wPort port number of service (in network order). - pszAlias where to return the alias. - pptResult where to return the result. - -Return Value - Returns 0 on success, an EAI_* style error value otherwise. - ---*/ -{ - struct addrinfo **pptNext = pptResult; - struct hostent *ptHost = NULL; - char **ppAddresses; - - *pptNext = NULL; - pszAlias[0] = '\0'; - - ptHost = gethostbyname(pszNodeName); - if (ptHost) - { - if ((ptHost->h_addrtype == AF_INET) && - (ptHost->h_length == sizeof(struct in_addr))) - { - for (ppAddresses = ptHost->h_addr_list; - *ppAddresses != NULL; - ppAddresses++) - { - // create an addrinfo structure... - *pptNext = WspiapiNewAddrInfo( - iSocketType, - iProtocol, - wPort, - ((struct in_addr *) *ppAddresses)->s_addr); - if (!*pptNext) - return EAI_MEMORY; - - pptNext = &((*pptNext)->ai_next); - } - } - - // pick up the canonical name. - strcpy(pszAlias, ptHost->h_name); - return 0; - } - - switch (WSAGetLastError()) - { - case WSAHOST_NOT_FOUND: return EAI_NONAME; - case WSATRY_AGAIN: return EAI_AGAIN; - case WSANO_RECOVERY: return EAI_FAIL; - case WSANO_DATA: return EAI_NODATA; - default: return EAI_NONAME; - } -} - - - -__inline -int -WINAPI -WspiapiLookupNode( - IN const char *pszNodeName, - IN int iSocketType, - IN int iProtocol, - IN WORD wPort, - IN BOOL bAI_CANONNAME, - OUT struct addrinfo **pptResult) -/*++ - -Routine Description - resolve a nodename and return a list of addrinfo structures. - IPv4 specific internal function, not exported. - *pptResult would need to be freed if an error is returned. - - NOTE: if bAI_CANONNAME is true, the canonical name should be - returned in the first addrinfo structure. - -Arguments - pszNodeName name of node to resolve. - iSocketType SOCK_*. can be wildcarded (zero). - iProtocol IPPROTO_*. can be wildcarded (zero). - wPort port number of service (in network order). - bAI_CANONNAME whether the AI_CANONNAME flag is set. - pptResult where to return result. - -Return Value - Returns 0 on success, an EAI_* style error value otherwise. - ---*/ -{ - int iError = 0; - int iAliasCount = 0; - - char szFQDN1[NI_MAXHOST] = ""; - char szFQDN2[NI_MAXHOST] = ""; - char *pszName = szFQDN1; - char *pszAlias = szFQDN2; - char *pszScratch = NULL; - strcpy(pszName, pszNodeName); - - for (;;) - { - iError = WspiapiQueryDNS(pszNodeName, - iSocketType, - iProtocol, - wPort, - pszAlias, - pptResult); - if (iError) - break; - - // if we found addresses, then we are done. - if (*pptResult) - break; - - // stop infinite loops due to DNS misconfiguration. there appears - // to be no particular recommended limit in RFCs 1034 and 1035. - if ((!strlen(pszAlias)) || - (!strcmp(pszName, pszAlias)) || - (++iAliasCount == 16)) - { - iError = EAI_FAIL; - break; - } - - // there was a new CNAME, look again. - WspiapiSwap(pszName, pszAlias, pszScratch); - } - - if (!iError && bAI_CANONNAME) - { - (*pptResult)->ai_canonname = WspiapiStrdup(pszAlias); - if (!(*pptResult)->ai_canonname) - iError = EAI_MEMORY; - } - - return iError; -} - - - -__inline -int -WINAPI -WspiapiClone ( - IN WORD wPort, - IN struct addrinfo *ptResult) -/*++ - -Routine Description - clone every addrinfo structure in ptResult for the UDP service. - ptResult would need to be freed if an error is returned. - -Arguments - wPort port number of UDP service. - ptResult list of addrinfo structures, each - of whose node needs to be cloned. - -Return Value - Returns 0 on success, an EAI_MEMORY on allocation failure. - ---*/ -{ - struct addrinfo *ptNext = NULL; - struct addrinfo *ptNew = NULL; - - for (ptNext = ptResult; ptNext != NULL; ) - { - // create an addrinfo structure... - ptNew = WspiapiNewAddrInfo( - SOCK_DGRAM, - ptNext->ai_protocol, - wPort, - ((struct sockaddr_in *) ptNext->ai_addr)->sin_addr.s_addr); - if (!ptNew) - break; - - // link the cloned addrinfo - ptNew->ai_next = ptNext->ai_next; - ptNext->ai_next = ptNew; - ptNext = ptNew->ai_next; - } - - if (ptNext != NULL) - return EAI_MEMORY; - - return 0; -} - - - -__inline -void -WINAPI -WspiapiLegacyFreeAddrInfo ( - IN struct addrinfo *ptHead) -/*++ - -Routine Description - Free an addrinfo structure (or chain of structures). - As specified in RFC 2553, Section 6.4. - -Arguments - ptHead structure (chain) to free - ---*/ -{ - struct addrinfo *ptNext; // next strcture to free - - for (ptNext = ptHead; ptNext != NULL; ptNext = ptHead) - { - if (ptNext->ai_canonname) - WspiapiFree(ptNext->ai_canonname); - - if (ptNext->ai_addr) - WspiapiFree(ptNext->ai_addr); - - ptHead = ptNext->ai_next; - WspiapiFree(ptNext); - } -} - - - -__inline -int -WINAPI -WspiapiLegacyGetAddrInfo( - IN const char *pszNodeName, - IN const char *pszServiceName, - IN const struct addrinfo *ptHints, - OUT struct addrinfo **pptResult) -/*++ - -Routine Description - Protocol-independent name-to-address translation. - As specified in RFC 2553, Section 6.4. - This is the hacked version that only supports IPv4. - -Arguments - pszNodeName node name to lookup. - pszServiceName service name to lookup. - ptHints hints about how to process request. - pptResult where to return result. - -Return Value - returns zero if successful, an EAI_* error code if not. - ---*/ -{ - int iError = 0; - int iFlags = 0; - int iFamily = PF_UNSPEC; - int iSocketType = 0; - int iProtocol = 0; - WORD wPort = 0; - DWORD dwAddress = 0; - - struct servent *ptService = NULL; - char *pc = NULL; - BOOL bClone = FALSE; - WORD wTcpPort = 0; - WORD wUdpPort = 0; - - - // initialize pptResult with default return value. - *pptResult = NULL; - - - //////////////////////////////////////// - // validate arguments... - // - - // both the node name and the service name can't be NULL. - if ((!pszNodeName) && (!pszServiceName)) - return EAI_NONAME; - - // validate hints. - if (ptHints) - { - // all members other than ai_flags, ai_family, ai_socktype - // and ai_protocol must be zero or a null pointer. - if ((ptHints->ai_addrlen != 0) || - (ptHints->ai_canonname != NULL) || - (ptHints->ai_addr != NULL) || - (ptHints->ai_next != NULL)) - { - return EAI_FAIL; - } - - // the spec has the "bad flags" error code, so presumably we - // should check something here. insisting that there aren't - // any unspecified flags set would break forward compatibility, - // however. so we just check for non-sensical combinations. - // - // we cannot come up with a canonical name given a null node name. - iFlags = ptHints->ai_flags; - if ((iFlags & AI_CANONNAME) && !pszNodeName) - return EAI_BADFLAGS; - - // we only support a limited number of protocol families. - iFamily = ptHints->ai_family; - if ((iFamily != PF_UNSPEC) && (iFamily != PF_INET)) - return EAI_FAMILY; - - // we only support only these socket types. - iSocketType = ptHints->ai_socktype; - if ((iSocketType != 0) && - (iSocketType != SOCK_STREAM) && - (iSocketType != SOCK_DGRAM) && - (iSocketType != SOCK_RAW)) - return EAI_SOCKTYPE; - - // REVIEW: What if ai_socktype and ai_protocol are at odds? - iProtocol = ptHints->ai_protocol; - } - - - //////////////////////////////////////// - // do service lookup... - - if (pszServiceName) - { - wPort = (WORD) strtoul(pszServiceName, &pc, 10); - if (*pc == '\0') // numeric port string - { - wPort = wTcpPort = wUdpPort = htons(wPort); - if (iSocketType == 0) - { - bClone = TRUE; - iSocketType = SOCK_STREAM; - } - } - else // non numeric port string - { - if ((iSocketType == 0) || (iSocketType == SOCK_DGRAM)) - { - ptService = getservbyname(pszServiceName, "udp"); - if (ptService) - wPort = wUdpPort = ptService->s_port; - } - - if ((iSocketType == 0) || (iSocketType == SOCK_STREAM)) - { - ptService = getservbyname(pszServiceName, "tcp"); - if (ptService) - wPort = wTcpPort = ptService->s_port; - } - - // assumes 0 is an invalid service port... - if (wPort == 0) // no service exists - return (iSocketType ? EAI_SERVICE : EAI_NONAME); - - if (iSocketType == 0) - { - // if both tcp and udp, process tcp now & clone udp later. - iSocketType = (wTcpPort) ? SOCK_STREAM : SOCK_DGRAM; - bClone = (wTcpPort && wUdpPort); - } - } - } - - - - //////////////////////////////////////// - // do node name lookup... - - // if we weren't given a node name, - // return the wildcard or loopback address (depending on AI_PASSIVE). - // - // if we have a numeric host address string, - // return the binary address. - // - if ((!pszNodeName) || (WspiapiParseV4Address(pszNodeName, &dwAddress))) - { - if (!pszNodeName) - { - dwAddress = htonl((iFlags & AI_PASSIVE) - ? INADDR_ANY - : INADDR_LOOPBACK); - } - - // create an addrinfo structure... - *pptResult = - WspiapiNewAddrInfo(iSocketType, iProtocol, wPort, dwAddress); - if (!(*pptResult)) - iError = EAI_MEMORY; - - if (!iError && pszNodeName) - { - // implementation specific behavior: set AI_NUMERICHOST - // to indicate that we got a numeric host address string. - (*pptResult)->ai_flags |= AI_NUMERICHOST; - - // return the numeric address string as the canonical name - if (iFlags & AI_CANONNAME) - { - (*pptResult)->ai_canonname = - WspiapiStrdup(inet_ntoa(*((struct in_addr *) &dwAddress))); - if (!(*pptResult)->ai_canonname) - iError = EAI_MEMORY; - } - } - } - - - // if we do not have a numeric host address string and - // AI_NUMERICHOST flag is set, return an error! - else if (iFlags & AI_NUMERICHOST) - { - iError = EAI_NONAME; - } - - - // since we have a non-numeric node name, - // we have to do a regular node name lookup. - else - { - iError = WspiapiLookupNode(pszNodeName, - iSocketType, - iProtocol, - wPort, - (iFlags & AI_CANONNAME), - pptResult); - } - - if (!iError && bClone) - { - iError = WspiapiClone(wUdpPort, *pptResult); - } - - if (iError) - { - WspiapiLegacyFreeAddrInfo(*pptResult); - *pptResult = NULL; - } - - return (iError); -} - - - -__inline -int -WINAPI -WspiapiLegacyGetNameInfo( - IN const struct sockaddr *ptSocketAddress, - IN socklen_t tSocketLength, - OUT char *pszNodeName, - IN size_t tNodeLength, - OUT char *pszServiceName, - IN size_t tServiceLength, - IN int iFlags) -/*++ - -Routine Description - protocol-independent address-to-name translation. - as specified in RFC 2553, Section 6.5. - this is the hacked version that only supports IPv4. - -Arguments - ptSocketAddress socket address to translate. - tSocketLength length of above socket address. - pszNodeName where to return the node name. - tNodeLength size of above buffer. - pszServiceName where to return the service name. - tServiceLength size of above buffer. - iFlags flags of type NI_*. - -Return Value - returns zero if successful, an EAI_* error code if not. - ---*/ -{ - struct servent *ptService; - WORD wPort; - char szBuffer[] = "65535"; - char *pszService = szBuffer; - - struct hostent *ptHost; - struct in_addr tAddress; - char *pszNode = NULL; - char *pc = NULL; - - - // sanity check ptSocketAddress and tSocketLength. - if (!ptSocketAddress) - return EAI_FAIL; - - if ((ptSocketAddress->sa_family != AF_INET) || - (tSocketLength != sizeof(struct sockaddr_in))) - { - return EAI_FAMILY; - } - - if (!(pszNodeName && tNodeLength) && - !(pszServiceName && tServiceLength)) - { - return EAI_NONAME; - } - - // the draft has the "bad flags" error code, so presumably we - // should check something here. insisting that there aren't - // any unspecified flags set would break forward compatibility, - // however. so we just check for non-sensical combinations. - if ((iFlags & NI_NUMERICHOST) && (iFlags & NI_NAMEREQD)) - { - return EAI_BADFLAGS; - } - - // translate the port to a service name (if requested). - if (pszServiceName && tServiceLength) - { - wPort = ((struct sockaddr_in *) ptSocketAddress)->sin_port; - - if (iFlags & NI_NUMERICSERV) - { - // return numeric form of the address. - sprintf(szBuffer, "%u", ntohs(wPort)); - } - else - { - // return service name corresponding to port. - ptService = getservbyport(wPort, - (iFlags & NI_DGRAM) ? "udp" : NULL); - if (ptService && ptService->s_name) - { - // lookup successful. - pszService = ptService->s_name; - } - else - { - // DRAFT: return numeric form of the port! - sprintf(szBuffer, "%u", ntohs(wPort)); - } - } - - - if (tServiceLength > strlen(pszService)) - strcpy(pszServiceName, pszService); - else - return EAI_FAIL; - } - - - // translate the address to a node name (if requested). - if (pszNodeName && tNodeLength) - { - // this is the IPv4-only version, so we have an IPv4 address. - tAddress = ((struct sockaddr_in *) ptSocketAddress)->sin_addr; - - if (iFlags & NI_NUMERICHOST) - { - // return numeric form of the address. - pszNode = inet_ntoa(tAddress); - } - else - { - // return node name corresponding to address. - ptHost = gethostbyaddr((char *) &tAddress, - sizeof(struct in_addr), - AF_INET); - if (ptHost && ptHost->h_name) - { - // DNS lookup successful. - // stop copying at a "." if NI_NOFQDN is specified. - pszNode = ptHost->h_name; - if ((iFlags & NI_NOFQDN) && (pc = strchr(pszNode, '.'))) - *pc = '\0'; - } - else - { - // DNS lookup failed. return numeric form of the address. - if (iFlags & NI_NAMEREQD) - { - switch (WSAGetLastError()) - { - case WSAHOST_NOT_FOUND: return EAI_NONAME; - case WSATRY_AGAIN: return EAI_AGAIN; - case WSANO_RECOVERY: return EAI_FAIL; - default: return EAI_NONAME; - } - } - else - pszNode = inet_ntoa(tAddress); - } - } - - if (tNodeLength > strlen(pszNode)) - strcpy(pszNodeName, pszNode); - else - return EAI_FAIL; - } - - return 0; -} - - - -typedef struct -{ - char const *pszName; - FARPROC pfAddress; -} WSPIAPI_FUNCTION; - -#define WSPIAPI_FUNCTION_ARRAY \ -{ \ - "getaddrinfo", (FARPROC) WspiapiLegacyGetAddrInfo, \ - "getnameinfo", (FARPROC) WspiapiLegacyGetNameInfo, \ - "freeaddrinfo", (FARPROC) WspiapiLegacyFreeAddrInfo, \ -} - - - -__inline -FARPROC -WINAPI -WspiapiLoad( - IN WORD wFunction) -/*++ - -Routine Description - try to locate the address family independent name resolution routines - (i.e. getaddrinfo, getnameinfo, freeaddrinfo, gai_strerror). - -Locks - this function call is not synchronized. hence the library containing - the routines might be loaded multiple times. another option is to - synchronize through a spin lock using a static local variable and the - InterlockedExchange operation. - - -Arguments - wFunction ordinal # of the function to get the pointer to - 0 getaddrinfo - 1 getnameinfo - 2 freeaddrinfo - -Return Value - address of the library/legacy routine - ---*/ -{ - HMODULE hLibrary = NULL; - - // these static variables store state across calls, across threads. - static BOOL bInitialized = FALSE; - static WSPIAPI_FUNCTION rgtGlobal[] = WSPIAPI_FUNCTION_ARRAY; - static const int iNumGlobal = (sizeof(rgtGlobal) / - sizeof(WSPIAPI_FUNCTION)); - - // we overwrite rgtGlobal only if all routines exist in library. - WSPIAPI_FUNCTION rgtLocal[] = WSPIAPI_FUNCTION_ARRAY; - FARPROC fScratch = NULL; - int i = 0; - - - if (bInitialized) // WspiapiLoad has already been called once - return (rgtGlobal[wFunction].pfAddress); - - do // breakout loop - { - // in Whistler and beyond... - // the routines are present in the WinSock 2 library (ws2_32.dll). - // printf("Looking in ws2_32 for getaddrinfo...\n"); - hLibrary = LoadLibraryA("ws2_32"); - if (hLibrary != NULL) - { - fScratch = GetProcAddress(hLibrary, "getaddrinfo"); - if (fScratch == NULL) - { - FreeLibrary(hLibrary); - hLibrary = NULL; - } - } - if (hLibrary != NULL) - break; - - - // in the IPv6 Technology Preview... - // the routines are present in the IPv6 WinSock library (wship6.dll). - // printf("Looking in wship6 for getaddrinfo...\n"); - hLibrary = LoadLibraryA("wship6"); - if (hLibrary != NULL) - { - fScratch = GetProcAddress(hLibrary, "getaddrinfo"); - if (fScratch == NULL) - { - FreeLibrary(hLibrary); - hLibrary = NULL; - } - } - } while (FALSE); - - - if (hLibrary != NULL) - { - // use routines from this library... - // since getaddrinfo is here, we expect all routines to be here, - // but will fall back to IPv4-only if any of them is missing. - for (i = 0; i < iNumGlobal; i++) - { - rgtLocal[i].pfAddress - = GetProcAddress(hLibrary, rgtLocal[i].pszName); - if (rgtLocal[i].pfAddress == NULL) - { - FreeLibrary(hLibrary); - hLibrary = NULL; - break; - } - } - - if (hLibrary != NULL) - { - // printf("found!\n"); - for (i = 0; i < iNumGlobal; i++) - rgtGlobal[i].pfAddress = rgtLocal[i].pfAddress; - } - } - - bInitialized = TRUE; - return (rgtGlobal[wFunction].pfAddress); -} - - - -__inline -int -WINAPI -WspiapiGetAddrInfo( - IN const char *nodename, - IN const char *servname, - IN const struct addrinfo *hints, - OUT struct addrinfo **res) -{ - static WSPIAPI_PGETADDRINFO pfGetAddrInfo = NULL; - - if (!pfGetAddrInfo) - pfGetAddrInfo = (WSPIAPI_PGETADDRINFO) WspiapiLoad(0); - return ((*pfGetAddrInfo) - (nodename, servname, hints, res)); -} - - - -__inline -int -WINAPI -WspiapiGetNameInfo ( - IN const struct sockaddr *sa, - IN socklen_t salen, - OUT char *host, - IN size_t hostlen, - OUT char *serv, - IN size_t servlen, - IN int flags) -{ - static WSPIAPI_PGETNAMEINFO pfGetNameInfo = NULL; - - if (!pfGetNameInfo) - pfGetNameInfo = (WSPIAPI_PGETNAMEINFO) WspiapiLoad(1); - return ((*pfGetNameInfo) - (sa, salen, host, hostlen, serv, servlen, flags)); -} - - - -__inline -void -WINAPI -WspiapiFreeAddrInfo ( - IN struct addrinfo *ai) -{ - static WSPIAPI_PFREEADDRINFO pfFreeAddrInfo = NULL; - - if (!pfFreeAddrInfo) - pfFreeAddrInfo = (WSPIAPI_PFREEADDRINFO) WspiapiLoad(2); - (*pfFreeAddrInfo)(ai); -} - -#ifdef __cplusplus -} -#endif - -#endif // _WSPIAPI_H_ |