b558974525
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@34 626c5289-ae23-0410-ae9c-e8d60b6d4f22
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*******************************************************************************
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* Simplified Wrapper and Interface Generator (SWIG)
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*
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* Author : David Beazley
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*
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* Department of Computer Science
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* University of Chicago
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* 1100 E 58th Street
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* Chicago, IL 60637
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* beazley@cs.uchicago.edu
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*
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* Please read the file LICENSE for the copyright and terms by which SWIG
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* can be used and distributed.
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*******************************************************************************/
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#include "swigcore.h"
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/*******************************************************************************
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* $Header$
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*
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* File : getopt.c
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*
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* Functions for handling command line arguments. This is a little funky because
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* the arguments are checked in multiple places.
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*******************************************************************************/
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static char **args;
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static int numargs;
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static int *marked;
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/* -----------------------------------------------------------------------------
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* void SWIG_init_args(int argc, char **argv)
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*
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* Initializes the argument list.
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* ----------------------------------------------------------------------------- */
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void
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SWIG_init_args(int argc, char **argv)
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{
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int i;
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assert(argc > 0);
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assert(argv);
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numargs = argc;
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args = argv;
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marked = (int *) malloc(numargs * sizeof(int));
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for (i = 0; i < argc; i++) {
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marked[i] = 0;
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}
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marked[0] = 1;
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}
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/* -----------------------------------------------------------------------------
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* void SWIG_mark_arg(int n)
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*
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* Marks an argument as being parsed. All modules should do this whenever they
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* parse a command line option.
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* ----------------------------------------------------------------------------- */
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void
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SWIG_mark_arg(int n) {
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assert(marked);
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assert((n >= 0) && (n < numargs));
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marked[n] = 1;
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}
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/* -----------------------------------------------------------------------------
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* void SWIG_check_options()
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*
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* Checks for unparsed command line options. If so, issues an error and exits.
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* ----------------------------------------------------------------------------- */
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void SWIG_check_options() {
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int error = 0;
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int i;
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assert(marked);
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for (i = 1; i < numargs-1; i++) {
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if (!marked[i]) {
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Printf(stderr,"swig error : Unrecognized option %s\n", args[i]);
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error=1;
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}
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}
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if (error) {
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Printf(stderr,"Use 'swig -help' for available options.\n");
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exit(1);
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}
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if (marked[numargs-1]) {
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Printf(stderr,"Must specify an input file. Use -help for available options.\n");
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exit(1);
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}
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}
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/* -----------------------------------------------------------------------------
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* void SWIG_arg_error()
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*
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* Generates a generic error message and exits.
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* ----------------------------------------------------------------------------- */
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void SWIG_arg_error() {
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Printf(stderr,"SWIG : Unable to parse command line options.\n");
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Printf(stderr,"Use 'swig -help' for available options.\n");
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exit(1);
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}
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