stk/Tk/unix/tkUnixInit.c

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/*
* tkUnixInit.c --
*
* This file contains Unix-specific interpreter initialization
* functions.
*
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* Copyright (c) 1995-1997 Sun Microsystems, Inc.
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*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
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* SCCS: @(#) tkUnixInit.c 1.24 97/07/24 14:46:09
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*/
#include "tkInt.h"
#include "tkUnixInt.h"
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#ifndef SCM_CODE
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/*
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* The Init script (common to Windows and Unix platforms) is
* defined in tkInitScript.h
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*/
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#include "tkInitScript.h"
#endif
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/*
*----------------------------------------------------------------------
*
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* TkpInit --
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*
* Performs Unix-specific interpreter initialization related to the
* tk_library variable.
*
* Results:
* Returns a standard Tcl result. Leaves an error message or result
* in interp->result.
*
* Side effects:
* Sets "tk_library" Tcl variable, runs "tk.tcl" script.
*
*----------------------------------------------------------------------
*/
int
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TkpInit(interp)
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Tcl_Interp *interp;
{
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TkCreateXEventSource();
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#ifdef SCM_CODE
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return TCL_OK;
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#else
return Tcl_Eval(interp, initScript);
#endif
}
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#ifndef SCM_CODE
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/*
*----------------------------------------------------------------------
*
* TkpGetAppName --
*
* Retrieves the name of the current application from a platform
* specific location. For Unix, the application name is the tail
* of the path contained in the tcl variable argv0.
*
* Results:
* Returns the application name in the given Tcl_DString.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
TkpGetAppName(interp, namePtr)
Tcl_Interp *interp;
Tcl_DString *namePtr; /* A previously initialized Tcl_DString. */
{
char *p, *name;
name = Tcl_GetVar(interp, "argv0", TCL_GLOBAL_ONLY);
if ((name == NULL) || (*name == 0)) {
name = "tk";
} else {
p = strrchr(name, '/');
if (p != NULL) {
name = p+1;
}
}
Tcl_DStringAppend(namePtr, name, -1);
}
/*
*----------------------------------------------------------------------
*
* TkpDisplayWarning --
*
* This routines is called from Tk_Main to display warning
* messages that occur during startup.
*
* Results:
* None.
*
* Side effects:
* Generates messages on stdout.
*
*----------------------------------------------------------------------
*/
void
TkpDisplayWarning(msg, title)
char *msg; /* Message to be displayed. */
char *title; /* Title of warning. */
{
Tcl_Channel errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_Write(errChannel, title, -1);
Tcl_Write(errChannel, ": ", 2);
Tcl_Write(errChannel, msg, -1);
Tcl_Write(errChannel, "\n", 1);
}
}
#endif