diff --git a/util.c b/util.c
index 2605a3f..f228ff7 100644
--- a/util.c
+++ b/util.c
@@ -8,6 +8,7 @@
 #include <ctype.h>
 #include <errno.h>
 #include <limits.h>
+#include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
@@ -64,6 +65,41 @@
 
 const size_t log_syscalls_len = ARRAY_SIZE(log_syscalls);
 
+/* clang-format off */
+static struct logging_config_t {
+	/* The logging system to use. The default is syslog. */
+	enum logging_system_t logger;
+
+	/* File descriptor to log to. Only used when logger is LOG_TO_FD. */
+	int fd;
+
+	/* Minimum priority to log. Only used when logger is LOG_TO_FD. */
+	int min_priority;
+} logging_config = {
+	.logger = LOG_TO_SYSLOG,
+};
+/* clang-format on */
+
+void do_log(int priority, const char *format, ...)
+{
+	if (logging_config.logger == LOG_TO_SYSLOG) {
+		va_list args;
+		va_start(args, format);
+		vsyslog(priority, format, args);
+		va_end(args);
+		return;
+	}
+
+	if (logging_config.min_priority < priority)
+		return;
+
+	va_list args;
+	va_start(args, format);
+	vdprintf(logging_config.fd, format, args);
+	va_end(args);
+	dprintf(logging_config.fd, "\n");
+}
+
 int lookup_syscall(const char *name)
 {
 	const struct syscall_entry *entry = syscall_table;
@@ -298,3 +334,10 @@
 		return NULL;
 	return consumebytes(len + 1, buf, buflength);
 }
+
+void init_logging(enum logging_system_t logger, int fd, int min_priority)
+{
+	logging_config.logger = logger;
+	logging_config.fd = fd;
+	logging_config.min_priority = min_priority;
+}