types: remove the [u_]quad type and replace with [u]int64
[deb_libnfs.git] / win32 / win32_compat.c
1 /*
2 Copyright (c) 2006 by Dan Kennedy.
3 Copyright (c) 2006 by Juliusz Chroboczek.
4
5 Permission is hereby granted, free of charge, to any person obtaining a copy
6 of this software and associated documentation files (the "Software"), to deal
7 in the Software without restriction, including without limitation the rights
8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 copies of the Software, and to permit persons to whom the Software is
10 furnished to do so, subject to the following conditions:
11
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
14
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 THE SOFTWARE.
22 */
23
24 #ifndef WIN32
25
26 static int dummy ATTRIBUTE((unused));
27
28 #else
29 #include "win32_compat.h"
30 #include <errno.h>
31 #include <stdio.h>
32
33 #undef poll
34 #undef socket
35 #undef connect
36 #undef accept
37 #undef shutdown
38 #undef getpeername
39 #undef sleep
40 #undef inet_aton
41 #undef gettimeofday
42 #undef stat
43 #define assert(a)
44
45 /* Windows needs this header file for the implementation of inet_aton() */
46 #include <ctype.h>
47
48 int win32_inet_pton(int af, const char * src, void * dst)
49 {
50 struct sockaddr_in sa;
51 int len = sizeof(SOCKADDR);
52 int ret = -1;
53 int strLen = strlen(src) + 1;
54 #ifdef UNICODE
55 wchar_t *srcNonConst = (wchar_t *)malloc(strLen*sizeof(wchar_t));
56 memset(srcNonConst, 0, strLen);
57 MultiByteToWideChar(CP_ACP, 0, src, -1, srcNonConst, strLen);
58 #else
59 char *srcNonConst = (char *)malloc(strLen);
60 memset(srcNonConst, 0, strLen);
61 strncpy(srcNonConst, src, strLen);
62 #endif
63
64 if( WSAStringToAddress(srcNonConst,af,NULL,(LPSOCKADDR)&sa,&len) == 0 )
65 {
66 ret = 1;
67 }
68 else
69 {
70 if( WSAGetLastError() == WSAEINVAL )
71 {
72 ret = -1;
73 }
74 }
75 free(srcNonConst);
76 memcpy(dst, &sa.sin_addr, sizeof(struct in_addr));
77 return ret;
78 }
79
80 int win32_poll(struct pollfd *fds, unsigned int nfds, int timo)
81 {
82 struct timeval timeout, *toptr;
83 fd_set ifds, ofds, efds, *ip, *op;
84 unsigned int i;
85 int rc;
86
87 // Set up the file-descriptor sets in ifds, ofds and efds.
88 FD_ZERO(&ifds);
89 FD_ZERO(&ofds);
90 FD_ZERO(&efds);
91 for (i = 0, op = ip = 0; i < nfds; ++i)
92 {
93 fds[i].revents = 0;
94 if(fds[i].events & (POLLIN|POLLPRI))
95 {
96 ip = &ifds;
97 FD_SET(fds[i].fd, ip);
98 }
99 if(fds[i].events & POLLOUT)
100 {
101 op = &ofds;
102 FD_SET(fds[i].fd, op);
103 }
104 FD_SET(fds[i].fd, &efds);
105 }
106
107 // Set up the timeval structure for the timeout parameter
108 if(timo < 0)
109 {
110 toptr = 0;
111 }
112 else
113 {
114 toptr = &timeout;
115 timeout.tv_sec = timo / 1000;
116 timeout.tv_usec = (timo - timeout.tv_sec * 1000) * 1000;
117 }
118
119 #ifdef DEBUG_POLL
120 printf("Entering select() sec=%ld usec=%ld ip=%lx op=%lx\n",
121 (long)timeout.tv_sec, (long)timeout.tv_usec, (long)ip, (long)op);
122 #endif
123 rc = select(0, ip, op, &efds, toptr);
124 #ifdef DEBUG_POLL
125 printf("Exiting select rc=%d\n", rc);
126 #endif
127
128 if(rc <= 0)
129 return rc;
130
131 if(rc > 0)
132 {
133 for (i = 0; i < nfds; ++i)
134 {
135 int fd = fds[i].fd;
136 if(fds[i].events & (POLLIN|POLLPRI) && FD_ISSET(fd, &ifds))
137 fds[i].revents |= POLLIN;
138 if(fds[i].events & POLLOUT && FD_ISSET(fd, &ofds))
139 fds[i].revents |= POLLOUT;
140 if(FD_ISSET(fd, &efds)) // Some error was detected ... should be some way to know.
141 fds[i].revents |= POLLHUP;
142 #ifdef DEBUG_POLL
143 printf("%d %d %d revent = %x\n",
144 FD_ISSET(fd, &ifds), FD_ISSET(fd, &ofds), FD_ISSET(fd, &efds),
145 fds[i].revents
146 );
147 #endif
148 }
149 }
150 return rc;
151 }
152
153 #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
154 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
155 #else
156 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
157 #endif
158
159 struct timezone
160 {
161 int tz_minuteswest; /* minutes W of Greenwich */
162 int tz_dsttime; /* type of dst correction */
163 };
164
165 int win32_gettimeofday(struct timeval *tv, struct timezone *tz)
166 {
167 FILETIME ft;
168 unsigned __int64 tmpres = 0;
169 static int tzflag;
170
171 if (NULL != tv)
172 {
173 GetSystemTimeAsFileTime(&ft);
174
175 tmpres |= ft.dwHighDateTime;
176 tmpres <<= 32;
177 tmpres |= ft.dwLowDateTime;
178
179 /*converting file time to unix epoch*/
180 tmpres -= DELTA_EPOCH_IN_MICROSECS;
181 tmpres /= 10; /*convert into microseconds*/
182 tv->tv_sec = (long)(tmpres / 1000000UL);
183 tv->tv_usec = (long)(tmpres % 1000000UL);
184 }
185
186 if (NULL != tz)
187 {
188 if (!tzflag)
189 {
190 _tzset();
191 tzflag++;
192 }
193 tz->tz_minuteswest = _timezone / 60;
194 tz->tz_dsttime = _daylight;
195 }
196
197 return 0;
198 }
199
200 #endif