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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/* error.c
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*
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* Copyright (C) 2018 Henrik Hautakoski <henrik.hautakoski@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include "error.h"
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static inline void _write(FILE *fd, const char *prefix, const char *fmt, va_list list) {
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char buf[4096];
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vsnprintf(buf, sizeof(buf), fmt, list);
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fprintf(stderr, "%s: %s\n", prefix, buf);
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}
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void warn(const char *message, ...) {
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va_list vl;
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va_start(vl, message);
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_write(stderr, "warning", message, vl);
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va_end(vl);
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}
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int error(const char *message, ...) {
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va_list vl;
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va_start(vl, message);
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_write(stderr, "error", message, vl);
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va_end(vl);
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return -1;
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}
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