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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
// VV VV //
// VV VV V - A Portable C++ GUI Framework VV VV //
// VV VV designed and written by VV VV //
// VV VV VV VV //
// VV VV Bruce E. Wampler, Ph.D. VV VV //
// VVV e-mail: bruce@objectcentral.com VVV //
// V V //
// //
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
// //
// vos.cpp - Interface to OS dependent stuff (For Windows) //
// //
// Copyright (C) 1998 Bruce E. Wampler //
// //
// This file is part of the V C++ GUI Framework. //
// //
// This library is free software; you can redistribute it and/or //
// modify it under the terms of the GNU Library General Public //
// License as published by the Free Software Foundation; either //
// version 2 of the License, or (at your option) any later version. //
// //
// This library is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
// Library General Public License for more details. //
// //
// You should have received a copy of the GNU Library General Public //
// License along with this library (see COPYING.LIB); if not, write to the //
// Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
// //
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
#include <v/vos.h>
#include <windows.h>
const int MaxCompNameLen = 256;
//=========================>>> vOS::vOS <<<==========================
vOS::vOS()
{
// Constructor
// This will be used to determing which OS we are running
// under: e.g., NT vs 95
}
//=========================>>> vOS::~vOS <<<==========================
vOS::~vOS()
{
// Destructor
}
//=========================>>> vOS::vDeleteFile <<<==========================
int vOS::vDeleteFile(const char* filename)
{
return ::DeleteFile(filename) == TRUE;
}
//=========================>>> vOS::vChDrive <<<==========================
int vOS::vChDrive(int drive)
{
char temp [3] = "-:";
temp[0] = drive + 'A';
return ::SetCurrentDirectory(temp);
}
//=========================>>> vOS::vGetUserName <<<==========================
int vOS::vGetUserName( char* s, int len)
{
// Set s to user name
char UserName[MaxCompNameLen+1];
DWORD cch = sizeof UserName;
if (::GetUserName(UserName, &cch))
{
strncpy(s, UserName, len);
return 1;
}
s[0] = 0;
return 0;
}
//=========================>>> vOS::vGetHostName <<<==========================
void vOS::vGetHostName(char* s, int len)
{
// Get host name
char HostName[MaxCompNameLen+1];
DWORD cch = MaxCompNameLen;
if (::GetComputerName(HostName, &cch))
{
strcpy(s,HostName);
}
else
strcpy(s, "PC_Win32");
}
//=========================>>> vOS::vGetPid <<<==========================
long vOS::vGetPid()
{
// return process ID
return (long) ::GetCurrentProcessId();
}
//=========================>>> vOS::vGetCWD <<<==========================
int vOS::vGetCWD(char* buf, int len)
{
// Get name of current directory
int rv = ::GetCurrentDirectory(len, buf);
return rv;
}
//=========================>>> vOS::vChDir <<<==========================
int vOS::vChDir(char *path)
{
if (path[0] == 0) /* just checking... */
return 0;
if (*path == 0) /* drive name only */
return 0;
return ::SetCurrentDirectory(path); /* let the normal chdir() do the rest */
}
//=========================>>> vOS::vRunProcess <<<==========================
int vOS::vRunProcess(const char* cmd, const char* StdOut, const char* StdErr,
const int Wait, const int minimize)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
DWORD ret = 0;
si.cb = sizeof(si);
si.lpReserved = NULL;
si.lpDesktop = NULL;
si.lpTitle = NULL;
si.dwFlags = 0;
si.cbReserved2 = 0;
si.lpReserved2 = NULL;
si.dwFlags = STARTF_USESHOWWINDOW;
if (minimize)
si.wShowWindow = SW_MINIMIZE;
else
si.wShowWindow = SW_SHOWNORMAL;
HANDLE hStderr = ::GetStdHandle(STD_ERROR_HANDLE); // get current stderr
HANDLE hNewStderr = INVALID_HANDLE_VALUE;
HANDLE hStdout = ::GetStdHandle(STD_OUTPUT_HANDLE); // get current stderr
HANDLE hNewStdout = INVALID_HANDLE_VALUE;
if (StdErr && *StdErr) // they specified a stderr out
{
hNewStderr = ::CreateFile(
StdErr, // address of name of the file
GENERIC_WRITE , // access (read-write) mode
(DWORD) 0, // share mode
(LPSECURITY_ATTRIBUTES) 0, // address of security descriptor
CREATE_ALWAYS , // how to create
FILE_ATTRIBUTE_NORMAL, // file attributes
(HANDLE) 0 // handle of file with attributes to copy
);
if (hNewStderr != INVALID_HANDLE_VALUE)
{
::SetStdHandle(STD_ERROR_HANDLE,hNewStderr);
}
}
if (StdOut && *StdOut) // they specified a stderr out
{
hNewStdout = ::CreateFile(
StdOut, // address of name of the file
GENERIC_WRITE , // access (read-write) mode
(DWORD) 0, // share mode
(LPSECURITY_ATTRIBUTES) 0, // address of security descriptor
CREATE_ALWAYS , // how to create
FILE_ATTRIBUTE_NORMAL, // file attributes
(HANDLE) 0 // handle of file with attributes to copy
);
if (hNewStdout != INVALID_HANDLE_VALUE)
{
::SetStdHandle(STD_OUTPUT_HANDLE,hNewStdout);
}
}
// Now, run the command
if (!::CreateProcess (NULL, /* Executable name */
(char *)cmd, /* Command to execute */
NULL, /* Process security attributes */
NULL, /* Thread security attributes */
FALSE, /* Inherit handles */
0, /* Creation flags */
NULL, /* Environment */
NULL, /* Current directory */
&si, /* Startup information */
&pi)) /* Process information */
return 99;
if (!Wait)
return 0;
/* Wait for the command to terminate before continuing */
::WaitForSingleObject(pi.hProcess, INFINITE);
/* Get the command exit code */
::GetExitCodeProcess(pi.hProcess, &ret);
/* Close the handles to the subprocess, so that it goes away */
::CloseHandle(pi.hThread);
::CloseHandle(pi.hProcess);
if (hNewStderr != INVALID_HANDLE_VALUE)
{
::SetStdHandle(STD_ERROR_HANDLE,hStderr);
::CloseHandle(hNewStderr);
}
if (hNewStdout != INVALID_HANDLE_VALUE)
{
::SetStdHandle(STD_OUTPUT_HANDLE,hStdout);
::CloseHandle(hNewStdout);
}
return ret;
}
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