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70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* Copyright (C) 2018 - David Oberhollenzer
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include "logfile.h"
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logfile_t *logfile_create(const char *name, int facility)
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{
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logfile_t *file;
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file = calloc(1, sizeof(*file) + strlen(name) + 1);
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if (file == NULL) {
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perror("calloc");
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return NULL;
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}
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strcpy(file->name, name);
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file->facility = facility;
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file->fd = open(file->name, O_WRONLY | O_CREAT, 0640);
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if (file->fd < 0)
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goto fail;
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if (lseek(file->fd, 0, SEEK_END))
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goto fail;
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return file;
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fail:
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perror(file->name);
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free(file);
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return NULL;
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}
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void logfile_destroy(logfile_t *file)
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{
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close(file->fd);
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free(file);
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}
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void logfile_write(logfile_t *file, const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vdprintf(file->fd, format, ap);
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va_end(ap);
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fsync(file->fd);
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}
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