pgtclAppInit.c
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:3k
- /*
- * pgtclAppInit.c
- *
- * a skeletal Tcl_AppInit that provides pgtcl initialization
- * to create a tclsh that can talk to pglite backends
- *
- * Copyright (c) 1993 The Regents of the University of California.
- * Copyright (c) 1994 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- */
- #include <tcl.h>
- #include <libpgtcl.h>
- /*
- * The following variable is a special hack that is needed in order for
- * Sun shared libraries to be used for Tcl.
- */
- #ifdef NEED_MATHERR
- extern int matherr();
- int *tclDummyMathPtr = (int *) matherr;
- #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(int argc, char **argv)
- {
- Tcl_Main(argc, argv, Tcl_AppInit);
- 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.
- *
- * Results:
- * Returns a standard Tcl completion code, and leaves an error
- * message in interp->result if an error occurs.
- *
- * Side effects:
- * Depends on the startup script.
- *
- *----------------------------------------------------------------------
- */
- int
- Tcl_AppInit(Tcl_Interp *interp)
- {
- if (Tcl_Init(interp) == TCL_ERROR)
- return TCL_ERROR;
- /*
- * 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 (Pgtcl_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.
- */
- #if (TCL_MAJOR_VERSION <= 7) && (TCL_MINOR_VERSION < 5)
- tcl_RcFileName = "~/.tclshrc";
- #else
- Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclshrc", TCL_GLOBAL_ONLY);
- #endif
- return TCL_OK;
- }