92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/* This file is part of libbrandt.
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* Copyright (C) 2016 GNUnet e.V.
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*
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* libbrandt is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libbrandt is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* libbrandt. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file util.c
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* @brief \todo
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "util.h"
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/**
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* xvprintf prints a formatstring with prefix "libbrandt: ". If the format
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* string ends with a ':', the strerror() from errno.h output will be appended.
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* The output is always terminated with a newline.
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*
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* @param fmt The format string
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* @param ap The inputs to the format string
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*/
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void
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xvprintf (const char *fmt, va_list ap)
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{
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/**\todo: provide other logging target than stderr */
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fputs ("libbrandt: ", stderr);
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vfprintf (stderr, fmt, ap);
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if (fmt[0] && fmt[strlen (fmt) - 1] == ':')
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{
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fputc (' ', stderr);
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perror (NULL);
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}
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else
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{
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fputc ('\n', stderr);
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}
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}
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/**
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* eprintf prints an error message and then calls abort() to terminate the
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* process.
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*
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* @param fmt The format string
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* @param ... The inputs to the format string
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*/
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void
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eprintf (const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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xvprintf (fmt, ap);
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va_end (ap);
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abort ();
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}
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/**
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* weprintf prints a warning message
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*
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* @param fmt The format string
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* @param ... The inputs to the format string
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*/
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void
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weprintf (const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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xvprintf (fmt, ap);
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va_end (ap);
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}
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