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-rw-r--r--gcc/cppmain.c104
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diff --git a/gcc/cppmain.c b/gcc/cppmain.c
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-/* CPP main program, using CPP Library.
- Copyright (C) 1995 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! */
-
-#include "cpplib.h"
-#include <stdio.h>
-
-#ifndef EMACS
-#include "config.h"
-#endif /* not EMACS */
-
-extern char *getenv ();
-
-char *progname;
-
-cpp_reader parse_in;
-cpp_options options;
-
-#ifdef abort
-/* More 'friendly' abort that prints the line and file.
- config.h can #define abort fancy_abort if you like that sort of thing. */
-
-void
-fancy_abort ()
-{
- fatal ("Internal gcc abort.");
-}
-#endif
-
-
-int
-main (argc, argv)
- int argc;
- char **argv;
-{
- char *p;
- int i;
- int argi = 1; /* Next argument to handle. */
- struct cpp_options *opts = &options;
-
- p = argv[0] + strlen (argv[0]);
- while (p != argv[0] && p[-1] != '/') --p;
- progname = p;
-
- cpp_reader_init (&parse_in);
- parse_in.data = 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);
-
- for (;;)
- {
- enum cpp_token kind;
- if (! opts->no_output)
- {
- fwrite (parse_in.token_buffer, 1, CPP_WRITTEN (&parse_in), stdout);
- }
- CPP_SET_WRITTEN (&parse_in, 0);
- kind = cpp_get_token (&parse_in);
- if (kind == CPP_EOF)
- break;
- }
-
- cpp_finish (&parse_in);
-
- if (parse_in.errors)
- exit (FATAL_EXIT_CODE);
- exit (SUCCESS_EXIT_CODE);
-}