1/*
2 * tclAppInit.c --
3 *
4 *	Provides a default version of the main program and Tcl_AppInit
5 *	procedure for Tcl applications (without Tk).
6 *
7 * Copyright (c) 1993 The Regents of the University of California.
8 * Copyright (c) 1994-1995 Sun Microsystems, Inc.
9 *
10 * See the file "license.terms" for information on usage and redistribution
11 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
12 *
13 * SCCS: @(#) tclAppInit.c 1.17 96/03/26 12:45:29
14 */
15
16#include "tcl.h"
17
18/*
19 * The following variable is a special hack that is needed in order for
20 * Sun shared libraries to be used for Tcl.
21 */
22
23extern int matherr();
24int *tclDummyMathPtr = (int *) matherr;
25
26#ifdef TCL_TEST
27EXTERN int		Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp));
28#endif /* TCL_TEST */
29
30/*
31 *----------------------------------------------------------------------
32 *
33 * main --
34 *
35 *	This is the main program for the application.
36 *
37 * Results:
38 *	None: Tcl_Main never returns here, so this procedure never
39 *	returns either.
40 *
41 * Side effects:
42 *	Whatever the application does.
43 *
44 *----------------------------------------------------------------------
45 */
46
47int
48main(argc, argv)
49    int argc;			/* Number of command-line arguments. */
50    char **argv;		/* Values of command-line arguments. */
51{
52#ifdef USE_TCLX
53    TclX_Main(argc, argv, Tcl_AppInit);
54#else
55    Tcl_Main(argc, argv, Tcl_AppInit);
56#endif
57    return 0;			/* Needed only to prevent compiler warning. */
58}
59
60/*
61 *----------------------------------------------------------------------
62 *
63 * Tcl_AppInit --
64 *
65 *	This procedure performs application-specific initialization.
66 *	Most applications, especially those that incorporate additional
67 *	packages, will have their own version of this procedure.
68 *
69 * Results:
70 *	Returns a standard Tcl completion code, and leaves an error
71 *	message in interp->result if an error occurs.
72 *
73 * Side effects:
74 *	Depends on the startup script.
75 *
76 *----------------------------------------------------------------------
77 */
78
79int
80Tcl_AppInit(interp)
81    Tcl_Interp *interp;		/* Interpreter for application. */
82{
83    if (Tcl_Init(interp) == TCL_ERROR) {
84	return TCL_ERROR;
85    }
86
87#ifdef USE_ITCL
88    if (Itcl_Init(interp) == TCL_ERROR) {
89	return TCL_ERROR;
90    }
91    Tcl_StaticPackage (interp, "Itcl", Itcl_Init, NULL);
92#endif
93
94#ifdef TCL_TEST
95    if (Tcltest_Init(interp) == TCL_ERROR) {
96	return TCL_ERROR;
97    }
98    Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init,
99            (Tcl_PackageInitProc *) NULL);
100#endif /* TCL_TEST */
101
102#ifdef USE_TCLX
103    if (Tclx_Init (interp) == TCL_ERROR) {
104	return TCL_ERROR;
105    }
106    Tcl_StaticPackage (interp, "Tclx", Tclx_Init, NULL);
107#endif
108
109    if (Ldaptcl_Init(interp) == TCL_ERROR) {
110	return TCL_ERROR;
111    }
112    Tcl_StaticPackage(interp, "Ldaptcl", Ldaptcl_Init,
113            (Tcl_PackageInitProc *) NULL);
114
115    /*
116     * Call the init procedures for included packages.  Each call should
117     * look like this:
118     *
119     * if (Mod_Init(interp) == TCL_ERROR) {
120     *     return TCL_ERROR;
121     * }
122     *
123     * where "Mod" is the name of the module.
124     */
125
126    /*
127     * Call Tcl_CreateCommand for application-specific commands, if
128     * they weren't already created by the init procedures called above.
129     */
130
131    /*
132     * Specify a user-specific startup file to invoke if the application
133     * is run interactively.  Typically the startup file is "~/.apprc"
134     * where "app" is the name of the application.  If this line is deleted
135     * then no user-specific startup file will be run under any conditions.
136     */
137
138    Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclshrc", TCL_GLOBAL_ONLY);
139    return TCL_OK;
140}
141