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-rw-r--r--win/tclAppInit.c159
1 files changed, 88 insertions, 71 deletions
diff --git a/win/tclAppInit.c b/win/tclAppInit.c
index b7bcc30..6b20dce 100644
--- a/win/tclAppInit.c
+++ b/win/tclAppInit.c
@@ -2,16 +2,16 @@
* tclAppInit.c --
*
* Provides a default version of the main program and Tcl_AppInit
- * procedure for Tcl applications (without Tk). Note that this
- * program must be built in Win32 console mode to work properly.
+ * function for Tcl applications (without Tk). Note that this program
+ * must be built in Win32 console mode to work properly.
*
* Copyright (c) 1996-1997 by Sun Microsystems, Inc.
* Copyright (c) 1998-1999 by Scriptics Corporation.
*
- * 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.
*
- * RCS: @(#) $Id: tclAppInit.c,v 1.21 2004/10/28 04:53:42 davygrvy Exp $
+ * RCS: @(#) $Id: tclAppInit.c,v 1.22 2005/07/24 22:56:45 dkf Exp $
*/
#include "tcl.h"
@@ -26,14 +26,14 @@ extern Tcl_PackageInitProc TclObjTest_Init;
#endif /* TCL_TEST */
#if defined(__GNUC__)
-static void setargv _ANSI_ARGS_((int *argcPtr, char ***argvPtr));
+static void setargv(int *argcPtr, char ***argvPtr);
#endif /* __GNUC__ */
-static BOOL WINAPI sigHandler (DWORD fdwCtrlType);
+static BOOL WINAPI sigHandler(DWORD fdwCtrlType);
static Tcl_AsyncProc asyncExit;
static void AppInitExitHandler(ClientData clientData);
static Tcl_AsyncHandler exitToken = NULL;
-static DWORD exitErrorCode = 0;
+static DWORD exitErrorCode = 0;
/*
@@ -44,8 +44,8 @@ static DWORD exitErrorCode = 0;
* This is the main program for the application.
*
* Results:
- * None: Tcl_Main never returns here, so this procedure never
- * returns either.
+ * None: Tcl_Main never returns here, so this function never returns
+ * either.
*
* Side effects:
* Whatever the application does.
@@ -54,13 +54,13 @@ static DWORD exitErrorCode = 0;
*/
int
-main (int argc, char *argv[])
+main(int argc, char *argv[])
{
/*
- * The following #if block allows you to change the AppInit
- * function by using a #define of TCL_LOCAL_APPINIT instead
- * of rewriting this entire file. The #if checks for that
- * #define and uses Tcl_AppInit if it doesn't exist.
+ * The following #if block allows you to change the AppInit function by
+ * using a #define of TCL_LOCAL_APPINIT instead of rewriting this entire
+ * file. The #if checks for that #define and uses Tcl_AppInit if it
+ * doesn't exist.
*/
#ifndef TCL_LOCAL_APPINIT
@@ -81,8 +81,8 @@ main (int argc, char *argv[])
char *p;
/*
- * Set up the default locale to be standard "C" locale so parsing
- * is performed correctly.
+ * Set up the default locale to be standard "C" locale so parsing is
+ * performed correctly.
*/
#if defined(__GNUC__)
@@ -114,13 +114,13 @@ main (int argc, char *argv[])
*
* Tcl_AppInit --
*
- * This procedure performs application-specific initialization.
- * Most applications, especially those that incorporate additional
- * packages, will have their own version of this procedure.
+ * This function performs application-specific initialization. Most
+ * applications, especially those that incorporate additional packages,
+ * will have their own version of this function.
*
* Results:
- * Returns a standard Tcl completion code, and leaves an error
- * message in the interp's result if an error occurs.
+ * Returns a standard Tcl completion code, and leaves an error message in
+ * the interp's result if an error occurs.
*
* Side effects:
* Depends on the startup script.
@@ -139,13 +139,15 @@ Tcl_AppInit(interp)
/*
* Install a signal handler to the win32 console tclsh is running in.
*/
+
SetConsoleCtrlHandler(sigHandler, TRUE);
exitToken = Tcl_AsyncCreate(asyncExit, NULL);
/*
- * This exit handler will be used to free the
- * resources allocated in this file.
+ * This exit handler will be used to free the resources allocated in this
+ * file.
*/
+
Tcl_CreateExitHandler(AppInitExitHandler, NULL);
#ifdef TCL_TEST
@@ -160,7 +162,7 @@ Tcl_AppInit(interp)
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "procbodytest", Procbodytest_Init,
- Procbodytest_SafeInit);
+ Procbodytest_SafeInit);
#endif /* TCL_TEST */
#if defined(STATIC_BUILD) && TCL_USE_STATIC_PACKAGES
@@ -182,8 +184,8 @@ Tcl_AppInit(interp)
#endif
/*
- * Call the init procedures for included packages. Each call should
- * look like this:
+ * Call the init functions for included packages. Each call should look
+ * like this:
*
* if (Mod_Init(interp) == TCL_ERROR) {
* return TCL_ERROR;
@@ -193,15 +195,15 @@ Tcl_AppInit(interp)
*/
/*
- * Call Tcl_CreateCommand for application-specific commands, if
- * they weren't already created by the init procedures called above.
+ * Call Tcl_CreateCommand for application-specific commands, if they
+ * weren't already created by the init functions called above.
*/
/*
- * Specify a user-specific startup file to invoke if the application
- * is run interactively. Typically the startup file is "~/.apprc"
- * where "app" is the name of the application. If this line is deleted
- * then no user-specific startup file will be run under any conditions.
+ * Specify a user-specific startup file to invoke if the application is
+ * run interactively. Typically the startup file is "~/.apprc" where "app"
+ * is the name of the application. If this line is deleted then no
+ * user-specific startup file will be run under any conditions.
*/
Tcl_SetVar(interp, "tcl_rcFileName", "~/tclshrc.tcl", TCL_GLOBAL_ONLY);
@@ -213,8 +215,8 @@ Tcl_AppInit(interp)
*
* AppInitExitHandler --
*
- * This function is called to cleanup the app init resources before
- * Tcl is unloaded.
+ * This function is called to cleanup the app init resources before Tcl
+ * is unloaded.
*
* Results:
* None.
@@ -230,12 +232,13 @@ AppInitExitHandler(
ClientData clientData) /* Not Used. */
{
if (exitToken != NULL) {
- /*
- * This should be safe to do even if we
- * are in an async exit right now.
- */
- Tcl_AsyncDelete(exitToken);
- exitToken = NULL;
+ /*
+ * This should be safe to do even if we are in an async exit right
+ * now.
+ */
+
+ Tcl_AsyncDelete(exitToken);
+ exitToken = NULL;
}
}
@@ -244,10 +247,10 @@ AppInitExitHandler(
*
* setargv --
*
- * Parse the Windows command line string into argc/argv. Done here
- * because we don't trust the builtin argument parser in crt0.
- * Windows applications are responsible for breaking their command
- * line into arguments.
+ * Parse the Windows command line string into argc/argv. Done here
+ * because we don't trust the builtin argument parser in crt0. Windows
+ * applications are responsible for breaking their command line into
+ * arguments.
*
* 2N backslashes + quote -> N backslashes + begin quoted string
* 2N + 1 backslashes + quote -> literal
@@ -257,8 +260,8 @@ AppInitExitHandler(
* quote -> begin quoted string
*
* Results:
- * Fills argcPtr with the number of arguments and argvPtr with the
- * array of arguments.
+ * Fills argcPtr with the number of arguments and argvPtr with the array
+ * of arguments.
*
* Side effects:
* Memory allocated.
@@ -279,8 +282,8 @@ setargv(argcPtr, argvPtr)
cmdLine = GetCommandLine(); /* INTL: BUG */
/*
- * Precompute an overly pessimistic guess at the number of arguments
- * in the command line by counting non-space spans.
+ * Precompute an overly pessimistic guess at the number of arguments in
+ * the command line by counting non-space spans.
*/
size = 2;
@@ -328,18 +331,18 @@ setargv(argcPtr, argvPtr)
} else {
inquote = !inquote;
}
- }
- slashes >>= 1;
- }
+ }
+ slashes >>= 1;
+ }
- while (slashes) {
+ while (slashes) {
*arg = '\\';
arg++;
slashes--;
}
- if ((*p == '\0')
- || (!inquote && ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */
+ if ((*p == '\0') || (!inquote &&
+ ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */
break;
}
if (copy != 0) {
@@ -347,7 +350,7 @@ setargv(argcPtr, argvPtr)
arg++;
}
p++;
- }
+ }
*arg = '\0';
argSpace = arg + 1;
}
@@ -375,7 +378,7 @@ setargv(argcPtr, argvPtr)
*/
int
-asyncExit (
+asyncExit(
ClientData clientData, /* Not Used. */
Tcl_Interp *interp, /* interp in context, if any. */
int code) /* result of last command, if any. */
@@ -391,17 +394,17 @@ asyncExit (
*
* sigHandler --
*
- * Signal handler for the Win32 OS. Catches Ctrl+C, Ctrl+Break and
- * other exits. This is needed so tclsh can do it's real clean-up
- * and not an unclean crash terminate.
+ * Signal handler for the Win32 OS. Catches Ctrl+C, Ctrl+Break and other
+ * exits. This is needed so tclsh can do it's real clean-up and not an
+ * unclean crash terminate.
*
* Results:
* TRUE.
*
* Side effects:
- * Effects the way the app exits from a signal. This is an
- * operating system supplied thread and unsafe to call ANY
- * Tcl commands except for Tcl_AsyncMark.
+ * Effects the way the app exits from a signal. This is an operating
+ * system supplied thread and unsafe to call ANY Tcl commands except for
+ * Tcl_AsyncMark.
*
*----------------------------------------------------------------------
*/
@@ -413,28 +416,42 @@ sigHandler(
HANDLE hStdIn;
if (!exitToken) {
- /* Async token must have been destroyed, punt gracefully. */
+ /*
+ * Async token must have been destroyed, punt gracefully.
+ */
return FALSE;
}
/*
- * If Tcl is currently executing some bytecode or in the eventloop,
- * this will cause Tcl to enter asyncExit at the next command
- * boundry.
+ * If Tcl is currently executing some bytecode or in the eventloop, this
+ * will cause Tcl to enter asyncExit at the next command boundry.
*/
+
exitErrorCode = fdwCtrlType;
Tcl_AsyncMark(exitToken);
/*
- * This will cause Tcl_Gets in Tcl_Main() to drop-out with an <EOF>
- * should it be blocked on input and our Tcl_AsyncMark didn't grab
- * the attention of the interpreter.
+ * This will cause Tcl_Gets in Tcl_Main() to drop-out with an <EOF> should
+ * it be blocked on input and our Tcl_AsyncMark didn't grab the attention
+ * of the interpreter.
*/
+
hStdIn = GetStdHandle(STD_INPUT_HANDLE);
if (hStdIn) {
CloseHandle(hStdIn);
}
- /* indicate to the OS not to call the default terminator. */
+ /*
+ * Indicate to the OS not to call the default terminator.
+ */
+
return TRUE;
}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */