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/* werror.h
*
*/
/* lsh, an implementation of the ssh protocol
*
* Copyright (C) 1998 Niels Mller
*
* 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 of the
* License, 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef LSH_ERROR_H_INCLUDED
#define LSH_ERROR_H_INCLUDED
#include <stdarg.h>
#include "lsh_argp.h"
/* Global variables */
extern int trace_flag;
extern int debug_flag;
extern int quiet_flag;
extern int verbose_flag;
extern const struct argp werror_argp;
void set_error_stream(int fd);
void set_error_ignore(void);
void set_error_raw(int raw);
/* Tries to dup any error fd to something higher than STDERR_FILENO.
* Used to be able to print any error messages while forking a child
* process. */
int dup_error_stream(void);
#ifdef HAVE_SYSLOG
void set_error_syslog(const char *id);
#endif
/* Format specifiers:
*
* %% %-character
* %e an errno value, formated numerically and with strerror
* %i uint32_t
* %c int, interpreted as a single character to output
* %n mpz_t
* %z NUL-terminated string
* %a Insert a string containing one atom.
* %s uint32_t length, uint8_t *data
* %S lsh_string *s
* %t The type of an struct lsh_object *
*
* Modifiers:
*
* x hexadecimal output
* f Consume (and free) the input string
* p Filter out dangerous control characters
* u Input is in utf-8; convert to local charset
*/
void werror_vformat(const char *f, va_list args);
void werror(const char *format, ...);
void trace(const char *format, ...);
void debug(const char *format, ...);
void verbose(const char *format, ...);
/* Displays the string with no prefix or new-line or buffering.
* Suitable for progress indication. */
void werror_progress(const char *string);
void fatal(const char *format, ...) NORETURN;
#endif /* LSH_ERROR_H_INCLUDED */
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