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/* Default error handlers for CPP Library.
 * Copyright (C) 1986, 87, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
 * Written by Per Bothner, 1994.
 * Based on CCCP program by by Paul Rubin, June 1986
 * Adapted to ANSI C, Richard Stallman, Jan 1987
 * Copyright (C) 2003-2011 Kim Woelders
 * 
 * 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, see <http://www.gnu.org/licenses/>.
 * 
 * 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!  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <Eina.h>
#include <stdio.h>
#include <stdlib.h>

#include "cpplib.h"

/* Print the file names and line numbers of the #include
 * commands which led to the current file.  */

void
cpp_print_containing_files(cpp_reader * pfile)
{
   cpp_buffer         *ip;
   int                 first = 1;

   /* If stack of files hasn't changed since we last printed
    * this info, don't repeat it.  */
   if (pfile->input_stack_listing_current)
      return;

   ip = cpp_file_buffer(pfile);

   /* Give up if we don't find a source file.  */
   if (!ip)
      return;

   /* Find the other, outer source files.  */
   while ((ip = CPP_PREV_BUFFER(ip)), ip != CPP_NULL_BUFFER(pfile))
     {
	long                line, col;

	cpp_buf_line_and_col(ip, &line, &col);
	if (ip->fname)
	  {
	     if (first)
	       {
		  first = 0;
		  fprintf(stderr, "In file included");
	       }
	     else
		fprintf(stderr, ",\n                ");
	  }
     }
   if (!first)
      fprintf(stderr, ":\n");

   /* Record we have printed the status as of this time.  */
   pfile->input_stack_listing_current = 1;
}

void
cpp_file_line_for_message(cpp_reader * pfile EINA_UNUSED, const char *filename,
			  int line, int column)
{
   if (column > 0)
     {
	fprintf(stderr, "%s:%d:%d: ", filename, line, column);
     }
   else
     {
	fprintf(stderr, "%s:%d: ", filename, line);
     }
}

/* IS_ERROR is 1 for error, 0 for warning */
void
cpp_message_v(cpp_reader * pfile, int is_error, const char *msg, va_list args)
{
   if (is_error)
      pfile->errors++;
   else
      fprintf(stderr, "warning: ");
   vfprintf(stderr, msg, args);
   fprintf(stderr, "\n");
}

void
cpp_message(cpp_reader * pfile, int is_error, const char *msg, ...)
{
   va_list             args;

   va_start(args, msg);

   cpp_message_v(pfile, is_error, msg, args);

   va_end(args);
}

static void
cpp_fatal_v(const char *msg, va_list args)
{
   fprintf(stderr, "%s: ", progname);
   vfprintf(stderr, msg, args);
   fprintf(stderr, "\n");
   exit(FATAL_EXIT_CODE);
}

void
cpp_fatal(const char *msg, ...)
{
   va_list             args;

   va_start(args, msg);

   cpp_fatal_v(msg, args);

   va_end(args);
}

void
cpp_pfatal_with_name(cpp_reader * pfile, const char *name)
{
   cpp_perror_with_name(pfile, name);
#ifdef VMS
   exit(vaxc$errno);
#else
   exit(FATAL_EXIT_CODE);
#endif
}