root/TclMagick/generic/TclMagickAppInit.c

DEFINITIONS

1. main
2. TclMagick_AppInit

/* 
 * tclAppInit.c --
 *
 *      Provides a default version of the main program and Tcl_AppInit
 *      procedure for Tcl applications (without Tk).
 *
 * Copyright (c) 1993 The Regents of the University of California.
 * Copyright (c) 1994-1997 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.
 *
 * RCS: @(#) $Id: TclMagickAppInit.c,v 1.1 2003/12/29 21:56:27 davidw Exp $
 */

#include "tcl.h"

#define TCL_LOCAL_APPINIT TclMagick_AppInit

#ifdef TCL_TEST

#include "tclInt.h"

extern int              Procbodytest_Init _ANSI_ARGS_((Tcl_Interp *interp));
extern int              Procbodytest_SafeInit _ANSI_ARGS_((Tcl_Interp *interp));
extern int              TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp));
extern int              Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp));
#ifdef TCL_THREADS
extern int              TclThread_Init _ANSI_ARGS_((Tcl_Interp *interp));
#endif

#endif /* TCL_TEST */

#ifdef TCL_XT_TEST
extern void             XtToolkitInitialize _ANSI_ARGS_((void));
extern int              Tclxttest_Init _ANSI_ARGS_((Tcl_Interp *interp));
#endif

/*
 *----------------------------------------------------------------------
 *
 * main --
 *
 *      This is the main program for the application.
 *
 * Results:
 *      None: Tcl_Main never returns here, so this procedure never
 *      returns either.
 *
 * Side effects:
 *      Whatever the application does.
 *
 *----------------------------------------------------------------------
 */

int
main(argc, argv)
    int argc;                   /* Number of command-line arguments. */
    char **argv;                /* Values of command-line arguments. */
{
    /*
     * 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));

    /*
     * The following #if block allows you to change how Tcl finds the startup
     * script, prime the library or encoding paths, fiddle with the argv,
     * etc., without needing to rewrite Tcl_Main()
     */

#ifdef TCL_LOCAL_MAIN_HOOK
    extern int TCL_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv));
#endif

#ifdef TCL_XT_TEST
    XtToolkitInitialize();
#endif

#ifdef TCL_LOCAL_MAIN_HOOK
    TCL_LOCAL_MAIN_HOOK(&argc, &argv);
#endif

    Tcl_Main(argc, argv, TCL_LOCAL_APPINIT);

    return 0;                   /* Needed only to prevent compiler warning. */
}

/*
 *----------------------------------------------------------------------
 *
 * TclMagick_AppInit --
 *
 *      This procedure performs application-specific initialization.
 *      Most applications, especially those that incorporate additional
 *      packages, will have their own version of this procedure.
 *
 * Results:
 *      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.
 *
 *----------------------------------------------------------------------
 */

int
TclMagick_AppInit(interp)
    Tcl_Interp *interp;         /* Interpreter for application. */
{
    if (Tcl_Init(interp) == TCL_ERROR) {
        return TCL_ERROR;
    }

#ifdef TCL_TEST
#ifdef TCL_XT_TEST
     if (Tclxttest_Init(interp) == TCL_ERROR) {
         return TCL_ERROR;
     }
#endif
    if (Tcltest_Init(interp) == TCL_ERROR) {
        return TCL_ERROR;
    }
    Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init,
            (Tcl_PackageInitProc *) 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);
#endif /* TCL_TEST */

    /*
     * Call the init procedures for included packages.  Each call should
     * look like this:
     *
     * if (Mod_Init(interp) == TCL_ERROR) {
     *     return TCL_ERROR;
     * }
     *
     * where "Mod" is the name of the module.
     */

    if (Tclmagick_Init(interp) == TCL_ERROR) {
      return TCL_ERROR;
    }

    /*
     * Call Tcl_CreateCommand for application-specific commands, if
     * they weren't already created by the init procedures 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.
     */

#ifdef DJGPP
    Tcl_SetVar(interp, "tcl_rcFileName", "~/tclsh.rc", TCL_GLOBAL_ONLY);
#else
    Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclshrc", TCL_GLOBAL_ONLY);
#endif
    return TCL_OK;
}