--- /dev/null
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/locking.h>
+#include <sys/time.h>
+#include <sys/utime.h>
+
+void nixio_open__mingw(lua_State *L) {
+ _fmode = _O_BINARY;
+
+ WSADATA wsa;
+
+ if (WSAStartup(MAKEWORD(2, 2), &wsa)) {
+ luaL_error(L, "Unable to initialize Winsock");
+ }
+
+ lua_newtable(L);
+
+ NIXIO_WSA_CONSTANT(WSAEACCES);
+ NIXIO_WSA_CONSTANT(WSAEINTR);
+ NIXIO_WSA_CONSTANT(WSAEINVAL);
+ NIXIO_WSA_CONSTANT(WSAEBADF);
+ NIXIO_WSA_CONSTANT(WSAEFAULT);
+ NIXIO_WSA_CONSTANT(WSAEMFILE);
+ NIXIO_WSA_CONSTANT(WSAENAMETOOLONG);
+ NIXIO_WSA_CONSTANT(WSAELOOP);
+ NIXIO_WSA_CONSTANT(WSAEAFNOSUPPORT);
+ NIXIO_WSA_CONSTANT(WSAENOBUFS);
+ NIXIO_WSA_CONSTANT(WSAEPROTONOSUPPORT);
+ NIXIO_WSA_CONSTANT(WSAENOPROTOOPT);
+ NIXIO_WSA_CONSTANT(WSAEADDRINUSE);
+ NIXIO_WSA_CONSTANT(WSAENETDOWN);
+ NIXIO_WSA_CONSTANT(WSAENETUNREACH);
+ NIXIO_WSA_CONSTANT(WSAECONNABORTED);
+ NIXIO_WSA_CONSTANT(WSAECONNRESET);
+
+ lua_setfield(L, -2, "const_sock");
+}
+
+const char* nixio__mgw_inet_ntop
+(int af, const void *src, char *dst, socklen_t size) {
+ struct sockaddr_storage saddr;
+ memset(&saddr, 0, sizeof(saddr));
+
+ DWORD hostlen = size, sl;
+ if (af == AF_INET) {
+ struct sockaddr_in *saddr4 = (struct sockaddr_in *)&saddr;
+ memcpy(&saddr4->sin_addr, src, sizeof(saddr4->sin_addr));
+ saddr4->sin_family = AF_INET;
+ saddr4->sin_port = 0;
+ sl = sizeof(struct sockaddr_in);
+ } else if (af == AF_INET6) {
+ struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)&saddr;
+ memcpy(&saddr6->sin6_addr, src, sizeof(saddr6->sin6_addr));
+ saddr6->sin6_family = AF_INET6;
+ saddr6->sin6_port = 0;
+ sl = sizeof(struct sockaddr_in6);
+ } else {
+ return NULL;
+ }
+ if (WSAAddressToString((struct sockaddr*)&saddr, sl, NULL, dst, &hostlen)) {
+ return NULL;
+ }
+ return dst;
+}
+
+int nixio__mgw_inet_pton (int af, const char *src, void *dst) {
+ struct sockaddr_storage sa;
+ int sl = sizeof(sa);
+
+ if (!WSAStringToAddress((char*)src, af, NULL, (struct sockaddr*)&sa, &sl)) {
+ if (af == AF_INET) {
+ struct in_addr ina = ((struct sockaddr_in *)&sa)->sin_addr;
+ memcpy(dst, &ina, sizeof(ina));
+ return 1;
+ } else if (af == AF_INET6) {
+ struct in_addr6 ina6 = ((struct sockaddr_in6 *)&sa)->sin6_addr;
+ memcpy(dst, &ina6, sizeof(ina6));
+ return 1;
+ } else {
+ WSASetLastError(WSAEAFNOSUPPORT);
+ return -1;
+ }
+ } else {
+ return -1;
+ }
+}
+
+int nixio__mgw_nanosleep(const struct timespec *req, struct timespec *rem) {
+ if (rem) {
+ rem->tv_sec = 0;
+ rem->tv_nsec = 0;
+ }
+ Sleep(req->tv_sec * 1000 + req->tv_nsec * 1000000);
+ return 0;
+}
+
+int nixio__mgw_poll(struct pollfd *fds, int nfds, int timeout) {
+ if (!fds || !nfds) {
+ Sleep(timeout);
+ return 0;
+ }
+
+ struct timeval tv;
+ int high = 0, rf = 0, wf = 0, ef = 0;
+ fd_set rfds, wfds, efds;
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&efds);
+
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = (timeout % 1000) * 1000;
+
+ for (int i = 0; i < nfds; i++) {
+ if (fds->events & POLLIN) {
+ FD_SET(fds->fd, &rfds);
+ rf++;
+ }
+ if (fds->events & POLLOUT) {
+ FD_SET(fds->fd, &wfds);
+ wf++;
+ }
+ if (fds->events & POLLERR) {
+ FD_SET(fds->fd, &efds);
+ ef++;
+ }
+ if (fds->fd > high) {
+ high = fds->fd;
+ }
+ }
+
+ int stat = select(high + 1, (rf) ? &rfds : NULL,
+ (wf) ? &wfds : NULL, (ef) ? &efds : NULL, &tv);
+ if (stat < 1) {
+ errno = WSAGetLastError();
+ return stat;
+ }
+
+ high = 0;
+
+ for (int i = 0; i < nfds; i++) {
+ fds->revents = 0;
+ if ((fds->events & POLLIN) && FD_ISSET(fds->fd, &rfds)) {
+ fds->revents |= POLLIN;
+ }
+ if ((fds->events & POLLOUT) && FD_ISSET(fds->fd, &wfds)) {
+ fds->revents |= POLLOUT;
+ }
+ if ((fds->events & POLLERR) && FD_ISSET(fds->fd, &efds)) {
+ fds->revents |= POLLERR;
+ }
+ if (fds->revents) {
+ high++;
+ }
+ }
+
+ return high;
+}
+
+int nixio__mgw_lockf(int fd, int cmd, off_t len) {
+ int stat;
+ if (cmd == F_LOCK) {
+ do {
+ stat = _locking(fd, _LK_LOCK, len);
+ } while (stat == -1 && errno == EDEADLOCK);
+ } else if (cmd == F_TLOCK) {
+ stat = _locking(fd, _LK_NBLCK, len);
+ } else if (cmd == F_ULOCK) {
+ stat = _locking(fd, _LK_UNLCK, len);
+ } else {
+ stat = -1;
+ errno = EINVAL;
+ }
+ return stat;
+}
+
+char* nixio__mgw_realpath(const char *path, char *resolved) {
+ if (GetFullPathName(path, PATH_MAX, resolved, NULL)) {
+ return resolved;
+ } else {
+ errno = GetLastError();
+ return NULL;
+ }
+}
+
+int nixio__mgw_link(const char *oldpath, const char *newpath) {
+ if (!CreateHardLink(newpath, oldpath, NULL)) {
+ errno = GetLastError();
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+int nixio__mgw_utimes(const char *filename, const struct timeval times[2]) {
+ struct _utimbuf timebuffer;
+ timebuffer.actime = times[0].tv_sec;
+ timebuffer.modtime = times[1].tv_sec;
+
+ return _utime(filename, &timebuffer);
+}
projects / project / luci.git / blobdiff