diff options
Diffstat (limited to 'win/stub16.c')
| -rw-r--r-- | win/stub16.c | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/win/stub16.c b/win/stub16.c index aa42c58..70fc051 100644 --- a/win/stub16.c +++ b/win/stub16.c @@ -1,13 +1,13 @@ -/* - * stub16.c +/* + * 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. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #define STRICT @@ -16,32 +16,31 @@ #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. + * 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. * - * 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. + * 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. @@ -54,7 +53,7 @@ static HANDLE CreateTempFile(void); */ int -main() +main(void) { DWORD dwRead, dwWrite; char *cmdLine; @@ -72,10 +71,10 @@ main() /* * 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: + * 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 ... */ @@ -123,7 +122,7 @@ main() ZeroMemory(&si, sizeof(si)); si.cb = sizeof(si); - if (CreateProcess(NULL, cmdLine, NULL, NULL, TRUE, 0, NULL, NULL, &si, + if (CreateProcess(NULL, cmdLine, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi) == FALSE) { goto cleanup; } @@ -157,7 +156,7 @@ main() } } -cleanup: + cleanup: if (hFileInput != INVALID_HANDLE_VALUE) { CloseHandle(hFileInput); } @@ -175,7 +174,7 @@ cleanup: } static HANDLE -CreateTempFile() +CreateTempFile(void) { char name[MAX_PATH]; SECURITY_ATTRIBUTES sa; @@ -190,7 +189,7 @@ CreateTempFile() sa.nLength = sizeof(sa); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = TRUE; - return CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, &sa, + return CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, &sa, CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE, NULL); } |