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moving as/error.c code to lib to have the functions reusable.

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Henrik Hautakoski 2018-12-21 00:03:47 +01:00
parent 04689fc69a
commit 6422bcca8a
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GPG key ID: 839F3A7EAFAEAFAA
7 changed files with 91 additions and 24 deletions
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48
lib/error.c Normal file
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/* error.c
*
* Copyright (C) 2018 Henrik Hautakoski <henrik.hautakoski@gmail.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <stdio.h>
#include <stdarg.h>
#include "error.h"
static inline void _write(FILE *fd, const char *prefix, const char *fmt, va_list list) {
char buf[4096];
vsnprintf(buf, sizeof(buf), fmt, list);
fprintf(stderr, "%s: %s\n", prefix, buf);
}
void warn(const char *message, ...) {
va_list vl;
va_start(vl, message);
_write(stderr, "warning", message, vl);
va_end(vl);
}
int error(const char *message, ...) {
va_list vl;
va_start(vl, message);
_write(stderr, "error", message, vl);
va_end(vl);
return -1;
}

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lib/include/error.h Normal file
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/* error.h
*
* Copyright (C) 2018 Henrik Hautakoski <henrik.hautakoski@gmail.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef M16_ERROR_H
#define M16_ERROR_H
void warn(const char *message, ...);
int error(const char *message, ...);
#endif /* M16_ERROR_H */