v4k-git-backup/tools/tcc-winapi/winapi/wspiapi.h

208 lines
6.5 KiB
C++

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within this package.
*/
#ifndef _WSPIAPI_H_
#define _WSPIAPI_H_
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include <ws2tcpip.h>
#include <_mingw_print_push.h>
#define _WSPIAPI_STRCPY_S(_Dst,_Size,_Src) strcpy((_Dst),(_Src))
#define _WSPIAPI_STRCAT_S(_Dst,_Size,_Src) strcat((_Dst),(_Src))
#define _WSPIAPI_STRNCPY_S(_Dst,_Size,_Src,_Count) strncpy((_Dst),(_Src),(_Count)); (_Dst)[(_Size) - 1] = 0
#define _WSPIAPI_SPRINTF_S_1(_Dst,_Size,_Format,_Arg1) sprintf((_Dst),(_Format),(_Arg1))
#ifndef _WSPIAPI_COUNTOF
#ifndef __cplusplus
#define _WSPIAPI_COUNTOF(_Array) (sizeof(_Array) / sizeof(_Array[0]))
#else
template <typename __CountofType,size_t _N> char (&__wspiapi_countof_helper(__CountofType (&_Array)[_N]))[_N];
#define _WSPIAPI_COUNTOF(_Array) sizeof(__wspiapi_countof_helper(_Array))
#endif
#endif
#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)(const char *nodename,const char *servname,const struct addrinfo *hints,struct addrinfo **res);
typedef int (WINAPI *WSPIAPI_PGETNAMEINFO)(const struct sockaddr *sa,socklen_t salen,char *host,size_t hostlen,char *serv,size_t servlen,int flags);
typedef void (WINAPI *WSPIAPI_PFREEADDRINFO)(struct addrinfo *ai);
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
char const *pszName;
FARPROC pfAddress;
} WSPIAPI_FUNCTION;
#define WSPIAPI_FUNCTION_ARRAY { { "getaddrinfo",(FARPROC) WspiapiLegacyGetAddrInfo }, \
{ "getnameinfo",(FARPROC) WspiapiLegacyGetNameInfo }, \
{ "freeaddrinfo",(FARPROC) WspiapiLegacyFreeAddrInfo } }
char *WINAPI WspiapiStrdup (const char *pszString);
WINBOOL WINAPI WspiapiParseV4Address (const char *pszAddress,PDWORD pdwAddress);
struct addrinfo * WINAPI WspiapiNewAddrInfo (int iSocketType,int iProtocol,WORD wPort,DWORD dwAddress);
int WINAPI WspiapiQueryDNS (const char *pszNodeName,int iSocketType,int iProtocol,WORD wPort,char pszAlias[NI_MAXHOST],struct addrinfo **pptResult);
int WINAPI WspiapiLookupNode (const char *pszNodeName,int iSocketType,int iProtocol,WORD wPort,WINBOOL bAI_CANONNAME,struct addrinfo **pptResult);
int WINAPI WspiapiClone (WORD wPort,struct addrinfo *ptResult);
void WINAPI WspiapiLegacyFreeAddrInfo (struct addrinfo *ptHead);
int WINAPI WspiapiLegacyGetAddrInfo(const char *pszNodeName,const char *pszServiceName,const struct addrinfo *ptHints,struct addrinfo **pptResult);
int WINAPI WspiapiLegacyGetNameInfo(const struct sockaddr *ptSocketAddress,socklen_t tSocketLength,char *pszNodeName,size_t tNodeLength,char *pszServiceName,size_t tServiceLength,int iFlags);
FARPROC WINAPI WspiapiLoad(WORD wFunction);
int WINAPI WspiapiGetAddrInfo(const char *nodename,const char *servname,const struct addrinfo *hints,struct addrinfo **res);
int WINAPI WspiapiGetNameInfo (const struct sockaddr *sa,socklen_t salen,char *host,size_t hostlen,char *serv,size_t servlen,int flags);
void WINAPI WspiapiFreeAddrInfo (struct addrinfo *ai);
#ifndef __CRT__NO_INLINE
__CRT_INLINE char * WINAPI
WspiapiStrdup (const char *pszString)
{
char *rstr;
size_t szlen;
if(!pszString)
return NULL;
szlen = strlen(pszString) + 1;
rstr = (char *) WspiapiMalloc (szlen);
if (!rstr)
return NULL;
strcpy (rstr, pszString);
return rstr;
}
__CRT_INLINE WINBOOL WINAPI
WspiapiParseV4Address (const char *pszAddress, PDWORD pdwAddress)
{
DWORD dwAddress = 0;
const char *h = NULL;
int cnt;
for (cnt = 0,h = pszAddress; *h != 0; h++)
if (h[0] == '.')
cnt++;
if (cnt != 3)
return FALSE;
dwAddress = inet_addr (pszAddress);
if (dwAddress == INADDR_NONE)
return FALSE;
*pdwAddress = dwAddress;
return TRUE;
}
__CRT_INLINE struct addrinfo * WINAPI
WspiapiNewAddrInfo (int iSocketType,int iProtocol, WORD wPort,DWORD dwAddress)
{
struct addrinfo *n;
struct sockaddr_in *pa;
if ((n = (struct addrinfo *) WspiapiMalloc (sizeof (struct addrinfo))) == NULL)
return NULL;
if ((pa = (struct sockaddr_in *) WspiapiMalloc (sizeof(struct sockaddr_in))) == NULL)
{
WspiapiFree(n);
return NULL;
}
pa->sin_family = AF_INET;
pa->sin_port = wPort;
pa->sin_addr.s_addr = dwAddress;
n->ai_family = PF_INET;
n->ai_socktype = iSocketType;
n->ai_protocol = iProtocol;
n->ai_addrlen = sizeof (struct sockaddr_in);
n->ai_addr = (struct sockaddr *) pa;
return n;
}
__CRT_INLINE int WINAPI
WspiapiLookupNode (const char *pszNodeName, int iSocketType, int iProtocol, WORD wPort,
WINBOOL bAI_CANONNAME, struct addrinfo **pptResult)
{
int err = 0, cntAlias = 0;
char name[NI_MAXHOST] = "";
char alias[NI_MAXHOST] = "";
char *pname = name, *palias = alias, *tmp = NULL;
strncpy (pname, pszNodeName, NI_MAXHOST - 1);
pname[NI_MAXHOST - 1] = 0;
for (;;)
{
err = WspiapiQueryDNS (pszNodeName, iSocketType, iProtocol, wPort, palias, pptResult);
if (err)
break;
if (*pptResult)
break;
++cntAlias;
if (strlen (palias) == 0 || !strcmp (pname, palias) || cntAlias == 16)
{
err = EAI_FAIL;
break;
}
WspiapiSwap(pname, palias, tmp);
}
if (!err && bAI_CANONNAME)
{
(*pptResult)->ai_canonname = WspiapiStrdup (palias);
if (!(*pptResult)->ai_canonname)
err = EAI_MEMORY;
}
return err;
}
__CRT_INLINE int WINAPI
WspiapiClone (WORD wPort,struct addrinfo *ptResult)
{
struct addrinfo *p = NULL;
struct addrinfo *n = NULL;
for (p = ptResult; p != NULL;)
{
n = WspiapiNewAddrInfo (SOCK_DGRAM, p->ai_protocol, wPort,
((struct sockaddr_in *) p->ai_addr)->sin_addr.s_addr);
if (!n)
break;
n->ai_next = p->ai_next;
p->ai_next = n;
p = n->ai_next;
}
if (p != NULL)
return EAI_MEMORY;
return 0;
}
__CRT_INLINE void WINAPI
WspiapiLegacyFreeAddrInfo (struct addrinfo *ptHead)
{
struct addrinfo *p;
for (p = ptHead; p != NULL; p = ptHead)
{
if (p->ai_canonname)
WspiapiFree (p->ai_canonname);
if (p->ai_addr)
WspiapiFree (p->ai_addr);
ptHead = p->ai_next;
WspiapiFree (p);
}
}
#endif /* !__CRT__NO_INLINE */
#ifdef __cplusplus
}
#endif
#include <_mingw_print_pop.h>
#endif