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-rw-r--r--win/inspircd_win32wrapper.cpp848
1 files changed, 424 insertions, 424 deletions
diff --git a/win/inspircd_win32wrapper.cpp b/win/inspircd_win32wrapper.cpp
index 3a929d09e..0af54a39c 100644
--- a/win/inspircd_win32wrapper.cpp
+++ b/win/inspircd_win32wrapper.cpp
@@ -1,424 +1,424 @@
-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
- *
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
- *
- * This program is free but copyrighted software; see
- * the file COPYING for details.
- *
- * ---------------------------------------------------
- */
-
-#include "inspircd_win32wrapper.h"
-#include "inspircd.h"
-#include <string>
-#include <errno.h>
-#include <assert.h>
-using namespace std;
-
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
-
-HANDLE hIPCPipe;
-
-int inet_aton(const char *cp, struct in_addr *addr)
-{
- unsigned long ip = inet_addr(cp);
- addr->s_addr = ip;
- return (addr->s_addr == INADDR_NONE) ? 0 : 1;
-}
-
-const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
-{
-
- if (af == AF_INET)
- {
- struct sockaddr_in in;
- memset(&in, 0, sizeof(in));
- in.sin_family = AF_INET;
- memcpy(&in.sin_addr, src, sizeof(struct in_addr));
- getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST);
- return dst;
- }
- else if (af == AF_INET6)
- {
- struct sockaddr_in6 in;
- memset(&in, 0, sizeof(in));
- in.sin6_family = AF_INET6;
- memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
- getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST);
- return dst;
- }
- return NULL;
-}
-
-int geteuid()
-{
- return 1;
-}
-
-int inet_pton(int af, const char *src, void *dst)
-{
- sockaddr_in sa;
- int len = sizeof(SOCKADDR);
- int rv = WSAStringToAddress((LPSTR)src, af, NULL, (LPSOCKADDR)&sa, &len);
- if(rv >= 0)
- {
- if(WSAGetLastError() == 10022) // Invalid Argument
- rv = 0;
- else
- rv = 1;
- }
- memcpy(dst, &sa.sin_addr, sizeof(struct in_addr));
- return rv;
-}
-
-char * strtok_r(char *_String, const char *_Control, char **_Context)
-{
- unsigned char *str;
- const unsigned char *ctl = (const unsigned char*)_Control;
- unsigned char map[32];
-
- if (_Context == 0 || !_Control)
- return 0;
-
- if (!(_String != NULL || *_Context != NULL))
- return 0;
-
- memset(map, 0, 32);
-
- do {
- map[*ctl >> 3] |= (1 << (*ctl & 7));
- } while (*ctl++);
-
- /* If string is NULL, set str to the saved
- * pointer (i.e., continue breaking tokens out of the string
- * from the last strtok call) */
- if (_String != NULL)
- {
- str = (unsigned char*)_String;
- }
- else
- {
- str = (unsigned char*)*_Context;
- }
-
- /* Find beginning of token (skip over leading delimiters). Note that
- * there is no token iff this loop sets str to point to the terminal
- * null (*str == 0) */
- while ((map[*str >> 3] & (1 << (*str & 7))) && *str != 0)
- {
- str++;
- }
-
- _String = (char*)str;
-
- /* Find the end of the token. If it is not the end of the string,
- * put a null there. */
- for ( ; *str != 0 ; str++ )
- {
- if (map[*str >> 3] & (1 << (*str & 7)))
- {
- *str++ = 0;
- break;
- }
- }
-
- /* Update context */
- *_Context = (char*)str;
-
- /* Determine if a token has been found. */
- if (_String == (char*)str)
- {
- return NULL;
- }
- else
- {
- return _String;
- }
-}
-
-void setcolor(int color_code)
-{
- SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color_code);
-}
-
-DIR * opendir(const char * path)
-{
- std::string search_path = string(path) + "\\*.*";
- WIN32_FIND_DATA fd;
- HANDLE f = FindFirstFile(search_path.c_str(), &fd);
- if (f != INVALID_HANDLE_VALUE)
- {
- DIR * d = new DIR;
- memcpy(&d->find_data, &fd, sizeof(WIN32_FIND_DATA));
- d->find_handle = f;
- d->first = true;
- return d;
- }
- else
- {
- return 0;
- }
-}
-
-dirent * readdir(DIR * handle)
-{
- if (handle->first)
- handle->first = false;
- else
- {
- if (!FindNextFile(handle->find_handle, &handle->find_data))
- return 0;
- }
-
- strncpy(handle->dirent_pointer.d_name, handle->find_data.cFileName, MAX_PATH);
- return &handle->dirent_pointer;
-}
-
-void closedir(DIR * handle)
-{
- FindClose(handle->find_handle);
- delete handle;
-}
-
-const char * dlerror()
-{
- static char errormessage[500];
- DWORD error = GetLastError();
- SetLastError(0);
- if (error == 0)
- return 0;
-
- FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)errormessage, 500, 0);
- return errormessage;
-}
-
-int arg_counter = 1;
-char optarg[514];
-int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
-{
- // burlex todo: handle the shortops, at the moment it only works with longopts.
-
- if (___argc == 1 || arg_counter == ___argc) // No arguments (apart from filename)
- return -1;
-
- const char * opt = ___argv[arg_counter];
- int return_val = 0;
-
- // if we're not an option, return an error.
- if (strnicmp(opt, "--", 2) != 0)
- return 1;
- else
- opt += 2;
-
-
- // parse argument list
- int i = 0;
- for (; __longopts[i].name != 0; ++i)
- {
- if (!strnicmp(__longopts[i].name, opt, strlen(__longopts[i].name)))
- {
- // woot, found a valid argument =)
- char * par = 0;
- if ((arg_counter + 1) != ___argc)
- {
- // grab the parameter from the next argument (if its not another argument)
- if (strnicmp(___argv[arg_counter+1], "--", 2) != 0)
- {
- arg_counter++; // Trash this next argument, we won't be needing it.
- par = ___argv[arg_counter];
- }
- }
-
- // increment the argument for next time
- arg_counter++;
-
- // determine action based on type
- if (__longopts[i].has_arg == required_argument && !par)
- {
- // parameter missing and its a required parameter option
- return 1;
- }
-
- // store argument in optarg
- if (par)
- strncpy(optarg, par, 514);
-
- if (__longopts[i].flag != 0)
- {
- // this is a variable, we have to set it if this argument is found.
- *__longopts[i].flag = 1;
- return 0;
- }
- else
- {
- if (__longopts[i].val == -1 || par == 0)
- return 1;
-
- return __longopts[i].val;
- }
- break;
- }
- }
-
- // return 1 (invalid argument)
- return 1;
-}
-
-/* IPC Messages */
-#define IPC_MESSAGE_REHASH 1
-#define IPC_MESSAGE_DIE 2
-#define IPC_MESSAGE_RESTART 3
-
-void InitIPC()
-{
- static DWORD buflen = 1024;
- static const char * pipename = "\\\\.\\mailslot\\Inspircd";
- hIPCPipe = CreateMailslot(pipename, buflen, 0, 0);
- if (hIPCPipe == INVALID_HANDLE_VALUE)
- printf("IPC Pipe could not be created. Are you sure you didn't start InspIRCd twice?\n");
-}
-
-void CheckIPC(InspIRCd * Instance)
-{
- if (hIPCPipe == INVALID_HANDLE_VALUE)
- return;
-
- DWORD bytes;
- DWORD action;
-
- BOOL res = ReadFile(hIPCPipe, &action, sizeof(DWORD), &bytes, 0);
- if (!res)
- {
- if (GetLastError() != ERROR_SEM_TIMEOUT)
- Instance->Log(DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror());
- return;
- }
-
- switch (action)
- {
- case IPC_MESSAGE_REHASH:
- InspIRCd::Rehash(0);
- break;
-
- case IPC_MESSAGE_DIE:
- InspIRCd::Exit(0);
- break;
-
- case IPC_MESSAGE_RESTART:
- Instance->Restart("IPC_MESSAGE_RESTART received by mailslot.");
- break;
- }
-}
-
-void CloseIPC()
-{
- CloseHandle(hIPCPipe);
-}
-
-
-/* These three functions were created from looking at how ares does it
- * (...and they look far tidier in C++)
- */
-
-/* Get active nameserver */
-bool GetNameServer(HKEY regkey, const char *key, char* &output)
-{
- DWORD size = 0;
- DWORD result = RegQueryValueEx(regkey, key, 0, NULL, NULL, &size);
- if (((result != ERROR_SUCCESS) && (result != ERROR_MORE_DATA)) || (!size))
- return false;
-
- output = new char[size+1];
-
- if ((RegQueryValueEx(regkey, key, 0, NULL, (LPBYTE)output, &size) != ERROR_SUCCESS) || (!*output))
- {
- delete output;
- return false;
- }
- return true;
-}
-
-/* Check a network interface for its nameserver */
-bool GetInterface(HKEY regkey, const char *key, char* &output)
-{
- char buf[39];
- DWORD size = 39;
- int idx = 0;
- HKEY top;
-
- while (RegEnumKeyEx(regkey, idx++, buf, &size, 0, NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS)
- {
- size = 39;
- if (RegOpenKeyEx(regkey, buf, 0, KEY_QUERY_VALUE, &top) != ERROR_SUCCESS)
- continue;
- int rc = GetNameServer(top, key, output);
- RegCloseKey(top);
- if (rc)
- return true;
- }
- return false;
-}
-
-
-std::string FindNameServerWin()
-{
- std::string returnval = "127.0.0.1";
- HKEY top, key;
- char* dns = NULL;
-
- /* Lets see if the correct registry hive and tree exist */
- if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &top) == ERROR_SUCCESS)
- {
- /* If they do, attempt to get the nameserver name */
- RegOpenKeyEx(top, "Interfaces", 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &key);
- if ((GetNameServer(top, "NameServer", dns)) || (GetNameServer(top, "DhcpNameServer", dns))
- || (GetInterface(key, "NameServer", dns)) || (GetInterface(key, "DhcpNameServer", dns)))
- {
- if (dns)
- {
- returnval = dns;
- delete dns;
- }
- }
- RegCloseKey(key);
- RegCloseKey(top);
- }
- return returnval;
-}
-
-
-void ClearConsole()
-{
- COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */
- HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
- DWORD cCharsWritten;
- CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
- DWORD dwConSize; /* number of character cells in the current buffer */
-
- /* get the number of character cells in the current buffer */
-
- if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
- {
- dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
- /* fill the entire screen with blanks */
- if (FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ))
- {
- /* get the current text attribute */
- if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
- {
- /* now set the buffer's attributes accordingly */
- if (FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ))
- {
- /* put the cursor at (0, 0) */
- SetConsoleCursorPosition( hConsole, coordScreen );
- }
- }
- }
- }
- return;
-}
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd_win32wrapper.h"
+#include "inspircd.h"
+#include <string>
+#include <errno.h>
+#include <assert.h>
+using namespace std;
+
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
+
+HANDLE hIPCPipe;
+
+int inet_aton(const char *cp, struct in_addr *addr)
+{
+ unsigned long ip = inet_addr(cp);
+ addr->s_addr = ip;
+ return (addr->s_addr == INADDR_NONE) ? 0 : 1;
+}
+
+const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
+{
+
+ if (af == AF_INET)
+ {
+ struct sockaddr_in in;
+ memset(&in, 0, sizeof(in));
+ in.sin_family = AF_INET;
+ memcpy(&in.sin_addr, src, sizeof(struct in_addr));
+ getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST);
+ return dst;
+ }
+ else if (af == AF_INET6)
+ {
+ struct sockaddr_in6 in;
+ memset(&in, 0, sizeof(in));
+ in.sin6_family = AF_INET6;
+ memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
+ getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST);
+ return dst;
+ }
+ return NULL;
+}
+
+int geteuid()
+{
+ return 1;
+}
+
+int inet_pton(int af, const char *src, void *dst)
+{
+ sockaddr_in sa;
+ int len = sizeof(SOCKADDR);
+ int rv = WSAStringToAddress((LPSTR)src, af, NULL, (LPSOCKADDR)&sa, &len);
+ if(rv >= 0)
+ {
+ if(WSAGetLastError() == 10022) // Invalid Argument
+ rv = 0;
+ else
+ rv = 1;
+ }
+ memcpy(dst, &sa.sin_addr, sizeof(struct in_addr));
+ return rv;
+}
+
+char * strtok_r(char *_String, const char *_Control, char **_Context)
+{
+ unsigned char *str;
+ const unsigned char *ctl = (const unsigned char*)_Control;
+ unsigned char map[32];
+
+ if (_Context == 0 || !_Control)
+ return 0;
+
+ if (!(_String != NULL || *_Context != NULL))
+ return 0;
+
+ memset(map, 0, 32);
+
+ do {
+ map[*ctl >> 3] |= (1 << (*ctl & 7));
+ } while (*ctl++);
+
+ /* If string is NULL, set str to the saved
+ * pointer (i.e., continue breaking tokens out of the string
+ * from the last strtok call) */
+ if (_String != NULL)
+ {
+ str = (unsigned char*)_String;
+ }
+ else
+ {
+ str = (unsigned char*)*_Context;
+ }
+
+ /* Find beginning of token (skip over leading delimiters). Note that
+ * there is no token iff this loop sets str to point to the terminal
+ * null (*str == 0) */
+ while ((map[*str >> 3] & (1 << (*str & 7))) && *str != 0)
+ {
+ str++;
+ }
+
+ _String = (char*)str;
+
+ /* Find the end of the token. If it is not the end of the string,
+ * put a null there. */
+ for ( ; *str != 0 ; str++ )
+ {
+ if (map[*str >> 3] & (1 << (*str & 7)))
+ {
+ *str++ = 0;
+ break;
+ }
+ }
+
+ /* Update context */
+ *_Context = (char*)str;
+
+ /* Determine if a token has been found. */
+ if (_String == (char*)str)
+ {
+ return NULL;
+ }
+ else
+ {
+ return _String;
+ }
+}
+
+void setcolor(int color_code)
+{
+ SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color_code);
+}
+
+DIR * opendir(const char * path)
+{
+ std::string search_path = string(path) + "\\*.*";
+ WIN32_FIND_DATA fd;
+ HANDLE f = FindFirstFile(search_path.c_str(), &fd);
+ if (f != INVALID_HANDLE_VALUE)
+ {
+ DIR * d = new DIR;
+ memcpy(&d->find_data, &fd, sizeof(WIN32_FIND_DATA));
+ d->find_handle = f;
+ d->first = true;
+ return d;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+dirent * readdir(DIR * handle)
+{
+ if (handle->first)
+ handle->first = false;
+ else
+ {
+ if (!FindNextFile(handle->find_handle, &handle->find_data))
+ return 0;
+ }
+
+ strncpy(handle->dirent_pointer.d_name, handle->find_data.cFileName, MAX_PATH);
+ return &handle->dirent_pointer;
+}
+
+void closedir(DIR * handle)
+{
+ FindClose(handle->find_handle);
+ delete handle;
+}
+
+const char * dlerror()
+{
+ static char errormessage[500];
+ DWORD error = GetLastError();
+ SetLastError(0);
+ if (error == 0)
+ return 0;
+
+ FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)errormessage, 500, 0);
+ return errormessage;
+}
+
+int arg_counter = 1;
+char optarg[514];
+int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
+{
+ // burlex todo: handle the shortops, at the moment it only works with longopts.
+
+ if (___argc == 1 || arg_counter == ___argc) // No arguments (apart from filename)
+ return -1;
+
+ const char * opt = ___argv[arg_counter];
+ int return_val = 0;
+
+ // if we're not an option, return an error.
+ if (strnicmp(opt, "--", 2) != 0)
+ return 1;
+ else
+ opt += 2;
+
+
+ // parse argument list
+ int i = 0;
+ for (; __longopts[i].name != 0; ++i)
+ {
+ if (!strnicmp(__longopts[i].name, opt, strlen(__longopts[i].name)))
+ {
+ // woot, found a valid argument =)
+ char * par = 0;
+ if ((arg_counter + 1) != ___argc)
+ {
+ // grab the parameter from the next argument (if its not another argument)
+ if (strnicmp(___argv[arg_counter+1], "--", 2) != 0)
+ {
+ arg_counter++; // Trash this next argument, we won't be needing it.
+ par = ___argv[arg_counter];
+ }
+ }
+
+ // increment the argument for next time
+ arg_counter++;
+
+ // determine action based on type
+ if (__longopts[i].has_arg == required_argument && !par)
+ {
+ // parameter missing and its a required parameter option
+ return 1;
+ }
+
+ // store argument in optarg
+ if (par)
+ strncpy(optarg, par, 514);
+
+ if (__longopts[i].flag != 0)
+ {
+ // this is a variable, we have to set it if this argument is found.
+ *__longopts[i].flag = 1;
+ return 0;
+ }
+ else
+ {
+ if (__longopts[i].val == -1 || par == 0)
+ return 1;
+
+ return __longopts[i].val;
+ }
+ break;
+ }
+ }
+
+ // return 1 (invalid argument)
+ return 1;
+}
+
+/* IPC Messages */
+#define IPC_MESSAGE_REHASH 1
+#define IPC_MESSAGE_DIE 2
+#define IPC_MESSAGE_RESTART 3
+
+void InitIPC()
+{
+ static DWORD buflen = 1024;
+ static const char * pipename = "\\\\.\\mailslot\\Inspircd";
+ hIPCPipe = CreateMailslot(pipename, buflen, 0, 0);
+ if (hIPCPipe == INVALID_HANDLE_VALUE)
+ printf("IPC Pipe could not be created. Are you sure you didn't start InspIRCd twice?\n");
+}
+
+void CheckIPC(InspIRCd * Instance)
+{
+ if (hIPCPipe == INVALID_HANDLE_VALUE)
+ return;
+
+ DWORD bytes;
+ DWORD action;
+
+ BOOL res = ReadFile(hIPCPipe, &action, sizeof(DWORD), &bytes, 0);
+ if (!res)
+ {
+ if (GetLastError() != ERROR_SEM_TIMEOUT)
+ Instance->Log(DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror());
+ return;
+ }
+
+ switch (action)
+ {
+ case IPC_MESSAGE_REHASH:
+ InspIRCd::Rehash(0);
+ break;
+
+ case IPC_MESSAGE_DIE:
+ InspIRCd::Exit(0);
+ break;
+
+ case IPC_MESSAGE_RESTART:
+ Instance->Restart("IPC_MESSAGE_RESTART received by mailslot.");
+ break;
+ }
+}
+
+void CloseIPC()
+{
+ CloseHandle(hIPCPipe);
+}
+
+
+/* These three functions were created from looking at how ares does it
+ * (...and they look far tidier in C++)
+ */
+
+/* Get active nameserver */
+bool GetNameServer(HKEY regkey, const char *key, char* &output)
+{
+ DWORD size = 0;
+ DWORD result = RegQueryValueEx(regkey, key, 0, NULL, NULL, &size);
+ if (((result != ERROR_SUCCESS) && (result != ERROR_MORE_DATA)) || (!size))
+ return false;
+
+ output = new char[size+1];
+
+ if ((RegQueryValueEx(regkey, key, 0, NULL, (LPBYTE)output, &size) != ERROR_SUCCESS) || (!*output))
+ {
+ delete output;
+ return false;
+ }
+ return true;
+}
+
+/* Check a network interface for its nameserver */
+bool GetInterface(HKEY regkey, const char *key, char* &output)
+{
+ char buf[39];
+ DWORD size = 39;
+ int idx = 0;
+ HKEY top;
+
+ while (RegEnumKeyEx(regkey, idx++, buf, &size, 0, NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS)
+ {
+ size = 39;
+ if (RegOpenKeyEx(regkey, buf, 0, KEY_QUERY_VALUE, &top) != ERROR_SUCCESS)
+ continue;
+ int rc = GetNameServer(top, key, output);
+ RegCloseKey(top);
+ if (rc)
+ return true;
+ }
+ return false;
+}
+
+
+std::string FindNameServerWin()
+{
+ std::string returnval = "127.0.0.1";
+ HKEY top, key;
+ char* dns = NULL;
+
+ /* Lets see if the correct registry hive and tree exist */
+ if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &top) == ERROR_SUCCESS)
+ {
+ /* If they do, attempt to get the nameserver name */
+ RegOpenKeyEx(top, "Interfaces", 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &key);
+ if ((GetNameServer(top, "NameServer", dns)) || (GetNameServer(top, "DhcpNameServer", dns))
+ || (GetInterface(key, "NameServer", dns)) || (GetInterface(key, "DhcpNameServer", dns)))
+ {
+ if (dns)
+ {
+ returnval = dns;
+ delete dns;
+ }
+ }
+ RegCloseKey(key);
+ RegCloseKey(top);
+ }
+ return returnval;
+}
+
+
+void ClearConsole()
+{
+ COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */
+ HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
+ DWORD cCharsWritten;
+ CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
+ DWORD dwConSize; /* number of character cells in the current buffer */
+
+ /* get the number of character cells in the current buffer */
+
+ if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
+ {
+ dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
+ /* fill the entire screen with blanks */
+ if (FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ))
+ {
+ /* get the current text attribute */
+ if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
+ {
+ /* now set the buffer's attributes accordingly */
+ if (FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ))
+ {
+ /* put the cursor at (0, 0) */
+ SetConsoleCursorPosition( hConsole, coordScreen );
+ }
+ }
+ }
+ }
+ return;
+}