external/bsd/openldap/dist/contrib/ldaptcl/tclAppInit.c

   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
  23 extern int matherr();
  24 int *tclDummyMathPtr = (int *) matherr;
  25
  26 #ifdef TCL_TEST
  27 EXTERN int              Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp));
  28 #endif /* TCL_TEST */
  29 \f
  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
  47 int
  48 main(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 \f
  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
  79 int
  80 Tcl_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 }