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-rw-r--r--win/tclAppInit.c286
1 files changed, 75 insertions, 211 deletions
diff --git a/win/tclAppInit.c b/win/tclAppInit.c
index 4578ea8..0edd2c3 100644
--- a/win/tclAppInit.c
+++ b/win/tclAppInit.c
@@ -2,14 +2,14 @@
* 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.
*/
#include "tcl.h"
@@ -17,24 +17,15 @@
#include <locale.h>
#ifdef TCL_TEST
-extern int Procbodytest_Init _ANSI_ARGS_((Tcl_Interp *interp));
-extern int Procbodytest_SafeInit _ANSI_ARGS_((Tcl_Interp *interp));
-extern int Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp));
-extern int TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp));
-#ifdef TCL_THREADS
-extern int TclThread_Init _ANSI_ARGS_((Tcl_Interp *interp));
-#endif
+extern Tcl_PackageInitProc Procbodytest_Init;
+extern Tcl_PackageInitProc Procbodytest_SafeInit;
+extern Tcl_PackageInitProc Tcltest_Init;
+extern Tcl_PackageInitProc TclObjTest_Init;
#endif /* TCL_TEST */
-static void setargv _ANSI_ARGS_((int *argcPtr, char ***argvPtr));
-static BOOL __stdcall sigHandler (DWORD fdwCtrlType);
-static Tcl_AsyncProc asyncExit;
-static void AppInitExitHandler(ClientData clientData);
-
-static char ** argvSave = NULL;
-static Tcl_AsyncHandler exitToken = NULL;
-static DWORD exitErrorCode = 0;
-
+#if defined(__GNUC__)
+static void setargv(int *argcPtr, char ***argvPtr);
+#endif /* __GNUC__ */
/*
*----------------------------------------------------------------------
@@ -44,8 +35,8 @@ 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.
@@ -54,21 +45,21 @@ static DWORD exitErrorCode = 0;
*/
int
-main(argc, argv)
- int argc; /* Number of command-line arguments. */
- char **argv; /* Values of command-line arguments. */
+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
#define TCL_LOCAL_APPINIT Tcl_AppInit
#endif
- extern int TCL_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp));
+ extern int TCL_LOCAL_APPINIT (Tcl_Interp *interp);
/*
* The following #if block allows you to change how Tcl finds the startup
@@ -77,32 +68,26 @@ main(argc, argv)
*/
#ifdef TCL_LOCAL_MAIN_HOOK
- extern int TCL_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv));
+ extern int TCL_LOCAL_MAIN_HOOK (int *argc, char ***argv);
#endif
- char buffer[MAX_PATH +1];
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__)
+ setargv( &argc, &argv );
+#endif
setlocale(LC_ALL, "C");
- setargv(&argc, &argv);
/*
- * Save this for later, so we can free it.
+ * Forward slashes substituted for backslashes.
*/
- argvSave = argv;
- /*
- * Replace argv[0] with full pathname of executable, and forward
- * slashes substituted for backslashes.
- */
-
- GetModuleFileName(NULL, buffer, sizeof(buffer));
- argv[0] = buffer;
- for (p = buffer; *p != '\0'; p++) {
+ for (p = argv[0]; *p != '\0'; p++) {
if (*p == '\\') {
*p = '/';
}
@@ -116,20 +101,19 @@ main(argc, argv)
return 0; /* Needed only to prevent compiler warning. */
}
-
/*
*----------------------------------------------------------------------
*
* 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.
@@ -138,50 +122,33 @@ main(argc, argv)
*/
int
-Tcl_AppInit(interp)
- Tcl_Interp *interp; /* Interpreter for application. */
+Tcl_AppInit(
+ Tcl_Interp *interp) /* Interpreter for application. */
{
if (Tcl_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
- /*
- * 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.
- */
- Tcl_CreateExitHandler(AppInitExitHandler, NULL);
-
#ifdef TCL_TEST
if (Tcltest_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
- Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init,
- (Tcl_PackageInitProc *) NULL);
+ Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init, NULL);
if (TclObjTest_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
-#ifdef TCL_THREADS
- if (TclThread_Init(interp) == TCL_ERROR) {
- return TCL_ERROR;
- }
-#endif
if (Procbodytest_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "procbodytest", Procbodytest_Init,
- Procbodytest_SafeInit);
+ Procbodytest_SafeInit);
#endif /* TCL_TEST */
-#if defined(STATIC_BUILD) && defined(TCL_USE_STATIC_PACKAGES)
+#if defined(STATIC_BUILD) && TCL_USE_STATIC_PACKAGES
{
extern Tcl_PackageInitProc Registry_Init;
extern Tcl_PackageInitProc Dde_Init;
+ extern Tcl_PackageInitProc Dde_SafeInit;
if (Registry_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
@@ -191,13 +158,13 @@ Tcl_AppInit(interp)
if (Dde_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
- Tcl_StaticPackage(interp, "dde", Dde_Init, NULL);
+ Tcl_StaticPackage(interp, "dde", Dde_Init, Dde_SafeInit);
}
#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;
@@ -207,15 +174,15 @@ 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);
@@ -223,50 +190,14 @@ Tcl_AppInit(interp)
}
/*
- *----------------------------------------------------------------------
- *
- * AppInitExitHandler --
- *
- * This function is called to cleanup the app init resources before
- * Tcl is unloaded.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Frees the saved argv and deletes the async exit handler.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-AppInitExitHandler(
- ClientData clientData)
-{
- if (argvSave != NULL) {
- ckfree((char *)argvSave);
- argvSave = NULL;
- }
-
- if (exitToken != NULL) {
- /*
- * This should be safe to do even if we
- * are in an async exit right now.
- */
- Tcl_AsyncDelete(exitToken);
- exitToken = NULL;
- }
-}
-
-/*
*-------------------------------------------------------------------------
*
* 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
@@ -276,8 +207,8 @@ 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.
@@ -285,10 +216,11 @@ AppInitExitHandler(
*--------------------------------------------------------------------------
*/
+#if defined(__GNUC__)
static void
-setargv(argcPtr, argvPtr)
- int *argcPtr; /* Filled with number of argument strings. */
- char ***argvPtr; /* Filled with argument strings (malloc'd). */
+setargv(
+ int *argcPtr, /* Filled with number of argument strings. */
+ char ***argvPtr) /* Filled with argument strings (malloc'd). */
{
char *cmdLine, *p, *arg, *argSpace;
char **argv;
@@ -297,8 +229,8 @@ 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;
@@ -346,18 +278,18 @@ 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) {
@@ -365,7 +297,7 @@ setargv(argcPtr, argvPtr)
arg++;
}
p++;
- }
+ }
*arg = '\0';
argSpace = arg + 1;
}
@@ -374,80 +306,12 @@ setargv(argcPtr, argvPtr)
*argcPtr = argc;
*argvPtr = argv;
}
+#endif /* __GNUC__ */
/*
- *----------------------------------------------------------------------
- *
- * asyncExit --
- *
- * The AsyncProc for the exitToken.
- *
- * Results:
- * doesn't actually return.
- *
- * Side effects:
- * tclsh cleanly exits.
- *
- *----------------------------------------------------------------------
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
*/
-
-int
-asyncExit (ClientData clientData, Tcl_Interp *interp, int code)
-{
- Tcl_Exit((int)exitErrorCode);
-
- /* NOTREACHED */
- return code;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * 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.
- *
- * 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.
- *
- *----------------------------------------------------------------------
- */
-
-BOOL __stdcall
-sigHandler(DWORD fdwCtrlType)
-{
- HANDLE hStdIn;
-
- if (!exitToken) {
- /* 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.
- */
- 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.
- */
- hStdIn = GetStdHandle(STD_INPUT_HANDLE);
- if (hStdIn) {
- CloseHandle(hStdIn);
- }
-
- /* indicate to the OS not to call the default terminator */
- return TRUE;
-}