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/*
* Cmdline error reporting.
*
* Copyright (c) 2009 Marko Kreen
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* @file
*
* Error printing for command-line utilities.
*/
#ifndef _USUAL_ERR_H_
#define _USUAL_ERR_H_
#include <usual/base.h>
#ifdef HAVE_ERR_H
#include <err.h>
#endif
#ifndef HAVE_ERR
/** Print formatted message and strerror(errno) to stderr and exit with given error code */
void err(int e, const char *fmt, ...) _PRINTF(2, 3);
#endif
#ifndef HAVE_ERRX
/** Print formatted message to stderr and exit with given error code */
void errx(int e, const char *fmt, ...) _PRINTF(2, 3);
#endif
#ifndef HAVE_WARN
/** Print formatted message and strerror(errno) to stderr */
void warn(const char *fmt, ...) _PRINTF(1, 2);
#endif
#ifndef HAVE_WARNX
/** Print formatted message to stderr */
void warnx(const char *fmt, ...) _PRINTF(1, 2);
#endif
#ifndef HAVE_SETPROGNAME
/** Set program name to that will printed as prefix to error messages */
void setprogname(const char *s);
#endif
#ifndef HAVE_GETPROGNAME
/** Return program name set with @ref setprogname */
const char *getprogname(void);
#endif
/** Malloc that exits on failure */
void *xmalloc(size_t len);
/** Realloc that exits on failure */
void *xrealloc(void *p, size_t len);
/** strdup that exits on failure */
char *xstrdup(const char *s);
#endif
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