/contrib/groff/src/libs/libgroff/error.cpp
https://bitbucket.org/freebsd/freebsd-head/ · C++ · 142 lines · 110 code · 13 blank · 19 comment · 12 complexity · 19d984a04bf64326041d2d0f948a9254 MD5 · raw file
- // -*- C++ -*-
- /* Copyright (C) 1989, 1990, 1991, 1992, 2003 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
- 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
- Software Foundation; either version 2, or (at your option) any later
- 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
- with groff; see the file COPYING. If not, write to the Free Software
- Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, 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,
- const char *source_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>";
- if (source_filename != 0)
- fprintf(stderr, "%s (%s):%d:", filename, source_filename, lineno);
- else
- 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_source_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, 0, 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, 0, 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, 0, lineno,
- FATAL, format, arg1, arg2, arg3);
- }