feat(teipe): initial commit

libxkbcommonrs/ffi/logger.c

@@ -0,0 +1,17 @@
+#include "logger.h"
+
+#include <stdio.h>
+
+#define buf_size 256
+static callback_type global_callback = NULL;
+
+void log_set_callback(callback_type callback) { global_callback = callback; }
+
+void log_logger(struct xkb_context *context, enum xkb_log_level level,
+                const char *format, va_list args) {
+  if (global_callback) {
+    char buf[buf_size] = {0};
+    vsnprintf(buf, buf_size, format, args);
+    global_callback(context, level, buf);
+  }
+}

libxkbcommonrs/ffi/logger.h

@@ -0,0 +1,11 @@
+#include <stdarg.h>
+#include <xkbcommon/xkbcommon.h>
+
+typedef void (*callback_type)(struct xkb_context *context,
+                              enum xkb_log_level level, const char *message);
+
+void log_set_callback(callback_type callback);
+
+/// xkb log callback wrapper for printf formatting
+void log_logger(struct xkb_context *context, enum xkb_log_level level,
+                const char *format, va_list args);