1 files changed, 27 insertions, 0 deletions
diff --git a/libs/fst/fst.c b/libs/fst/fst.c
new file mode 100644
index 0000000000..85473578d2
--- /dev/null
+++ b/libs/fst/fst.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "fst.h"
+
+
+void 
+default_fst_error_callback (const char *desc)
+{
+	fprintf(stderr, "%s\n", desc);
+}
+
+void (*fst_error_callback)(const char *desc) = &default_fst_error_callback;
+
+void 
+fst_error (const char *fmt, ...)
+{
+	va_list ap;
+	char buffer[512];
+
+	va_start (ap, fmt);
+	vsnprintf (buffer, sizeof(buffer), fmt, ap);
+	fst_error_callback (buffer);
+	va_end (ap);
+}
+
+