| /* CPP main program, using CPP Library. |
| Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc. |
| Written by Per Bothner, 1994-95. |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published by the |
| Free Software Foundation; either version 2, or (at your option) any |
| later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| In other words, you are welcome to use, share and improve this program. |
| You are forbidden to forbid anyone else to use, share and improve |
| what you give them. Help stamp out software-hoarding! */ |
| |
| #ifndef EMACS |
| #include "config.h" |
| #include "system.h" |
| #else |
| #include <stdio.h> |
| |
| extern char *getenv (); |
| #endif /* not EMACS */ |
| |
| #include "cpplib.h" |
| #include "intl.h" |
| |
| char *progname; |
| |
| cpp_reader parse_in; |
| cpp_options options; |
| |
| |
| int |
| main (argc, argv) |
| int argc; |
| char **argv; |
| { |
| char *p; |
| int argi = 1; /* Next argument to handle. */ |
| struct cpp_options *opts = &options; |
| enum cpp_token kind; |
| |
| p = argv[0] + strlen (argv[0]); |
| while (p != argv[0] && p[-1] != '/') --p; |
| progname = p; |
| |
| #ifdef HAVE_LC_MESSAGES |
| setlocale (LC_MESSAGES, ""); |
| #endif |
| (void) bindtextdomain (PACKAGE, localedir); |
| (void) textdomain (PACKAGE); |
| |
| cpp_reader_init (&parse_in); |
| parse_in.opts = opts; |
| |
| cpp_options_init (opts); |
| |
| argi += cpp_handle_options (&parse_in, argc - argi , argv + argi); |
| if (argi < argc && ! CPP_FATAL_ERRORS (&parse_in)) |
| cpp_fatal (&parse_in, "Invalid option `%s'", argv[argi]); |
| if (CPP_FATAL_ERRORS (&parse_in)) |
| exit (FATAL_EXIT_CODE); |
| |
| parse_in.show_column = 1; |
| |
| if (! cpp_start_read (&parse_in, opts->in_fname)) |
| exit (FATAL_EXIT_CODE); |
| |
| /* Now that we know the input file is valid, open the output. */ |
| |
| if (!opts->out_fname || !strcmp (opts->out_fname, "")) |
| opts->out_fname = "stdout"; |
| else if (! freopen (opts->out_fname, "w", stdout)) |
| cpp_pfatal_with_name (&parse_in, opts->out_fname); |
| |
| do |
| { |
| kind = cpp_get_token (&parse_in); |
| if (CPP_WRITTEN (&parse_in) >= BUFSIZ || kind == CPP_EOF) |
| { |
| if (! opts->no_output) |
| { |
| size_t rem, count = CPP_WRITTEN (&parse_in); |
| |
| rem = fwrite (parse_in.token_buffer, 1, count, stdout); |
| if (rem < count) |
| /* Write error. */ |
| cpp_pfatal_with_name (&parse_in, opts->out_fname); |
| } |
| |
| CPP_SET_WRITTEN (&parse_in, 0); |
| } |
| } |
| while (kind != CPP_EOF); |
| |
| cpp_finish (&parse_in); |
| if (fwrite (parse_in.token_buffer, 1, CPP_WRITTEN (&parse_in), stdout) |
| < CPP_WRITTEN (&parse_in)) |
| cpp_pfatal_with_name (&parse_in, opts->out_fname); |
| |
| if (parse_in.errors) |
| exit (FATAL_EXIT_CODE); |
| exit (SUCCESS_EXIT_CODE); |
| } |