mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/* 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);
|
||
}
|