X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=win32%2Fwin32_compat.c;fp=win32%2Fwin32_compat.c;h=fe2ca05762b7e685a17c3bdf7d7d416be6a7850f;hb=5670ec6e746ac6d1f110e160806c8d846b98b660;hp=0000000000000000000000000000000000000000;hpb=3be2733596b0cc976136361c5b20576ffca5bef5;p=deb_libnfs.git diff --git a/win32/win32_compat.c b/win32/win32_compat.c new file mode 100644 index 0000000..fe2ca05 --- /dev/null +++ b/win32/win32_compat.c @@ -0,0 +1,201 @@ +/* +Copyright (c) 2006 by Dan Kennedy. +Copyright (c) 2006 by Juliusz Chroboczek. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +#ifndef WIN32 + +static int dummy ATTRIBUTE((unused)); + +#else +#include "win32_compat.h" +#include +#include +#include < time.h > + +#undef poll +#undef socket +#undef connect +#undef accept +#undef shutdown +#undef getpeername +#undef sleep +#undef inet_aton +#undef gettimeofday +#undef stat +#define assert(a) + +/* Windows needs this header file for the implementation of inet_aton() */ +#include + +int win32_inet_pton(int af, const char * src, void * dst) +{ + struct sockaddr_in sa; + int len = sizeof(SOCKADDR); + int ret = -1; + int strLen = strlen(src) + 1; +#ifdef UNICODE + wchar_t *srcNonConst = (wchar_t *)malloc(strLen*sizeof(wchar_t)); + memset(srcNonConst, 0, strLen); + MultiByteToWideChar(CP_ACP, 0, src, -1, srcNonConst, strLen); +#else + char *srcNonConst = (char *)malloc(strLen); + memset(srcNonConst, 0, strLen); + strncpy(srcNonConst, src, strLen); +#endif + + if( WSAStringToAddress(srcNonConst,af,NULL,(LPSOCKADDR)&sa,&len) == 0 ) + { + ret = 1; + } + else + { + if( WSAGetLastError() == WSAEINVAL ) + { + ret = -1; + } + } + free(srcNonConst); + memcpy(dst, &sa.sin_addr, sizeof(struct in_addr)); + return ret; +} + +int win32_poll(struct pollfd *fds, unsigned int nfds, int timo) +{ + struct timeval timeout, *toptr; + fd_set ifds, ofds, efds, *ip, *op; + unsigned int i; + int rc; + + // Set up the file-descriptor sets in ifds, ofds and efds. + FD_ZERO(&ifds); + FD_ZERO(&ofds); + FD_ZERO(&efds); + for (i = 0, op = ip = 0; i < nfds; ++i) + { + fds[i].revents = 0; + if(fds[i].events & (POLLIN|POLLPRI)) + { + ip = &ifds; + FD_SET(fds[i].fd, ip); + } + if(fds[i].events & POLLOUT) + { + op = &ofds; + FD_SET(fds[i].fd, op); + } + FD_SET(fds[i].fd, &efds); + } + + // Set up the timeval structure for the timeout parameter + if(timo < 0) + { + toptr = 0; + } + else + { + toptr = &timeout; + timeout.tv_sec = timo / 1000; + timeout.tv_usec = (timo - timeout.tv_sec * 1000) * 1000; + } + +#ifdef DEBUG_POLL + printf("Entering select() sec=%ld usec=%ld ip=%lx op=%lx\n", + (long)timeout.tv_sec, (long)timeout.tv_usec, (long)ip, (long)op); +#endif + rc = select(0, ip, op, &efds, toptr); +#ifdef DEBUG_POLL + printf("Exiting select rc=%d\n", rc); +#endif + + if(rc <= 0) + return rc; + + if(rc > 0) + { + for (i = 0; i < nfds; ++i) + { + int fd = fds[i].fd; + if(fds[i].events & (POLLIN|POLLPRI) && FD_ISSET(fd, &ifds)) + fds[i].revents |= POLLIN; + if(fds[i].events & POLLOUT && FD_ISSET(fd, &ofds)) + fds[i].revents |= POLLOUT; + if(FD_ISSET(fd, &efds)) // Some error was detected ... should be some way to know. + fds[i].revents |= POLLHUP; +#ifdef DEBUG_POLL + printf("%d %d %d revent = %x\n", + FD_ISSET(fd, &ifds), FD_ISSET(fd, &ofds), FD_ISSET(fd, &efds), + fds[i].revents + ); +#endif + } + } + return rc; +} + +#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS) + #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64 +#else + #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL +#endif + +struct timezone +{ + int tz_minuteswest; /* minutes W of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; + +int win32_gettimeofday(struct timeval *tv, struct timezone *tz) +{ + FILETIME ft; + unsigned __int64 tmpres = 0; + static int tzflag; + + if (NULL != tv) + { + GetSystemTimeAsFileTime(&ft); + + tmpres |= ft.dwHighDateTime; + tmpres <<= 32; + tmpres |= ft.dwLowDateTime; + + /*converting file time to unix epoch*/ + tmpres -= DELTA_EPOCH_IN_MICROSECS; + tmpres /= 10; /*convert into microseconds*/ + tv->tv_sec = (long)(tmpres / 1000000UL); + tv->tv_usec = (long)(tmpres % 1000000UL); + } + + if (NULL != tz) + { + if (!tzflag) + { + _tzset(); + tzflag++; + } + tz->tz_minuteswest = _timezone / 60; + tz->tz_dsttime = _daylight; + } + + return 0; +} + +#endif