diff options
Diffstat (limited to 'win/stub16.c')
| -rw-r--r-- | win/stub16.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/win/stub16.c b/win/stub16.c deleted file mode 100644 index 70fc051..0000000 --- a/win/stub16.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * stub16.c - * - * A helper program used for running 16-bit DOS applications under - * Windows 95. - * - * Copyright (c) 1996 by Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#define STRICT - -#include <windows.h> -#include <stdio.h> - -static HANDLE CreateTempFile(void); - -/* - *--------------------------------------------------------------------------- - * - * main - * - * Entry point for the 32-bit console mode app used by Windows 95 to help - * run the 16-bit program specified on the command line. - * - * 1. EOF on a pipe that connects a detached 16-bit process and a 32-bit - * process is never seen. So, this process runs the 16-bit process - * _attached_, and then it is run detached from the calling 32-bit - * process. - * - * 2. If a 16-bit process blocks reading from or writing to a pipe, it - * never wakes up, and eventually brings the whole system down with it if - * you try to kill the process. This app simulates pipes. If any of the - * stdio handles is a pipe, this program accumulates information into - * temp files and forwards it to or from the DOS application as - * appropriate. This means that this program must receive EOF from a - * stdin pipe before it will actually start the DOS app, and the DOS app - * must finish generating stdout or stderr before the data will be sent - * to the next stage of the pipe. If the stdio handles are not pipes, no - * accumulation occurs and the data is passed straight through to and - * from the DOS application. - * - * Results: - * None. - * - * Side effects: - * The child process is created and this process waits for it to - * complete. - * - *--------------------------------------------------------------------------- - */ - -int -main(void) -{ - DWORD dwRead, dwWrite; - char *cmdLine; - HANDLE hStdInput, hStdOutput, hStdError; - HANDLE hFileInput, hFileOutput, hFileError; - STARTUPINFO si; - PROCESS_INFORMATION pi; - char buf[8192]; - DWORD result; - - hFileInput = INVALID_HANDLE_VALUE; - hFileOutput = INVALID_HANDLE_VALUE; - hFileError = INVALID_HANDLE_VALUE; - result = 1; - - /* - * Don't get command line from argc, argv, because the command line - * tokenizer will have stripped off all the escape sequences needed for - * quotes and backslashes, and then we'd have to put them all back in - * again. Get the raw command line and parse off what we want ourselves. - * The command line should be of the form: - * - * stub16.exe program arg1 arg2 ... - */ - - cmdLine = strchr(GetCommandLine(), ' '); - if (cmdLine == NULL) { - return 1; - } - cmdLine++; - - hStdInput = GetStdHandle(STD_INPUT_HANDLE); - hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); - hStdError = GetStdHandle(STD_ERROR_HANDLE); - - if (GetFileType(hStdInput) == FILE_TYPE_PIPE) { - hFileInput = CreateTempFile(); - if (hFileInput == INVALID_HANDLE_VALUE) { - goto cleanup; - } - while (ReadFile(hStdInput, buf, sizeof(buf), &dwRead, NULL) != FALSE) { - if (dwRead == 0) { - break; - } - if (WriteFile(hFileInput, buf, dwRead, &dwWrite, NULL) == FALSE) { - goto cleanup; - } - } - SetFilePointer(hFileInput, 0, 0, FILE_BEGIN); - SetStdHandle(STD_INPUT_HANDLE, hFileInput); - } - if (GetFileType(hStdOutput) == FILE_TYPE_PIPE) { - hFileOutput = CreateTempFile(); - if (hFileOutput == INVALID_HANDLE_VALUE) { - goto cleanup; - } - SetStdHandle(STD_OUTPUT_HANDLE, hFileOutput); - } - if (GetFileType(hStdError) == FILE_TYPE_PIPE) { - hFileError = CreateTempFile(); - if (hFileError == INVALID_HANDLE_VALUE) { - goto cleanup; - } - SetStdHandle(STD_ERROR_HANDLE, hFileError); - } - - ZeroMemory(&si, sizeof(si)); - si.cb = sizeof(si); - if (CreateProcess(NULL, cmdLine, NULL, NULL, TRUE, 0, NULL, NULL, &si, - &pi) == FALSE) { - goto cleanup; - } - - WaitForInputIdle(pi.hProcess, 5000); - WaitForSingleObject(pi.hProcess, INFINITE); - GetExitCodeProcess(pi.hProcess, &result); - CloseHandle(pi.hProcess); - CloseHandle(pi.hThread); - - if (hFileOutput != INVALID_HANDLE_VALUE) { - SetFilePointer(hFileOutput, 0, 0, FILE_BEGIN); - while (ReadFile(hFileOutput, buf, sizeof(buf), &dwRead, NULL) != FALSE) { - if (dwRead == 0) { - break; - } - if (WriteFile(hStdOutput, buf, dwRead, &dwWrite, NULL) == FALSE) { - break; - } - } - } - if (hFileError != INVALID_HANDLE_VALUE) { - SetFilePointer(hFileError, 0, 0, FILE_BEGIN); - while (ReadFile(hFileError, buf, sizeof(buf), &dwRead, NULL) != FALSE) { - if (dwRead == 0) { - break; - } - if (WriteFile(hStdError, buf, dwRead, &dwWrite, NULL) == FALSE) { - break; - } - } - } - - cleanup: - if (hFileInput != INVALID_HANDLE_VALUE) { - CloseHandle(hFileInput); - } - if (hFileOutput != INVALID_HANDLE_VALUE) { - CloseHandle(hFileOutput); - } - if (hFileError != INVALID_HANDLE_VALUE) { - CloseHandle(hFileError); - } - CloseHandle(hStdInput); - CloseHandle(hStdOutput); - CloseHandle(hStdError); - ExitProcess(result); - return 1; -} - -static HANDLE -CreateTempFile(void) -{ - char name[MAX_PATH]; - SECURITY_ATTRIBUTES sa; - - if (GetTempPath(sizeof(name), name) == 0) { - return INVALID_HANDLE_VALUE; - } - if (GetTempFileName(name, "tcl", 0, name) == 0) { - return INVALID_HANDLE_VALUE; - } - - sa.nLength = sizeof(sa); - sa.lpSecurityDescriptor = NULL; - sa.bInheritHandle = TRUE; - return CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, &sa, - CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE, - NULL); -} |