aboutsummaryrefslogtreecommitdiff
path: root/syslogd/logfile.c
diff options
context:
space:
mode:
Diffstat (limited to 'syslogd/logfile.c')
-rw-r--r--syslogd/logfile.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/syslogd/logfile.c b/syslogd/logfile.c
new file mode 100644
index 0000000..a59f7e7
--- /dev/null
+++ b/syslogd/logfile.c
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <fcntl.h>
+
+#include "logfile.h"
+
+
+logfile_t *logfile_create(const char *name)
+{
+ logfile_t *file;
+
+ file = calloc(1, sizeof(*file) + strlen(name) + 1);
+ if (file == NULL) {
+ perror("calloc");
+ return NULL;
+ }
+
+ strcpy(file->name, name);
+
+ file->fd = open(file->name, O_WRONLY | O_CREAT, 0640);
+ if (file->fd < 0)
+ goto fail;
+
+ if (lseek(file->fd, 0, SEEK_END))
+ goto fail;
+
+ return file;
+fail:
+ perror(file->name);
+ free(file);
+ return NULL;
+}
+
+void logfile_destroy(logfile_t *file)
+{
+ close(file->fd);
+ free(file);
+}
+
+void logfile_write(logfile_t *file, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vdprintf(file->fd, format, ap);
+ va_end(ap);
+
+ fsync(file->fd);
+}