NetBSD/gnu/usr.bin/groff/libgroff/error.cc

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// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
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This file is part of groff.
groff 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
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Software Foundation; either version 2, or (at your option) any later
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version.
groff 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
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "errarg.h"
#include "error.h"
extern void fatal_error_exit();
enum error_type { WARNING, ERROR, FATAL };
static void do_error_with_file_and_line(const char *filename, int lineno,
error_type type,
const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
int need_space = 0;
if (program_name) {
fprintf(stderr, "%s:", program_name);
need_space = 1;
}
if (lineno >= 0 && filename != 0) {
if (strcmp(filename, "-") == 0)
filename = "<standard input>";
fprintf(stderr, "%s:%d:", filename, lineno);
need_space = 1;
}
switch (type) {
case FATAL:
fputs("fatal error:", stderr);
need_space = 1;
break;
case ERROR:
break;
case WARNING:
fputs("warning:", stderr);
need_space = 1;
break;
}
if (need_space)
fputc(' ', stderr);
errprint(format, arg1, arg2, arg3);
fputc('\n', stderr);
fflush(stderr);
if (type == FATAL)
fatal_error_exit();
}
static void do_error(error_type type,
const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error_with_file_and_line(current_filename, current_lineno,
type, format, arg1, arg2, arg3);
}
void error(const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error(ERROR, format, arg1, arg2, arg3);
}
void warning(const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error(WARNING, format, arg1, arg2, arg3);
}
void fatal(const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error(FATAL, format, arg1, arg2, arg3);
}
void error_with_file_and_line(const char *filename,
int lineno,
const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error_with_file_and_line(filename, lineno,
ERROR, format, arg1, arg2, arg3);
}
void warning_with_file_and_line(const char *filename,
int lineno,
const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error_with_file_and_line(filename, lineno,
WARNING, format, arg1, arg2, arg3);
}
void fatal_with_file_and_line(const char *filename,
int lineno,
const char *format,
const errarg &arg1,
const errarg &arg2,
const errarg &arg3)
{
do_error_with_file_and_line(filename, lineno,
FATAL, format, arg1, arg2, arg3);
}