1 files changed, 42 insertions, 0 deletions
diff --git a/extract/src/outf.c b/extract/src/outf.c
new file mode 100644
index 00000000..95575c16
--- /dev/null
+++ b/extract/src/outf.c
@@ -0,0 +1,42 @@
+#include "memento.h"
+#include "outf.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+static int s_verbose = 0;
+
+void outf_verbose_set(int verbose)
+{
+    s_verbose = verbose;
+}
+
+void (outf)(
+        int         level,
+        const char* file,
+        int         line,
+        const char* fn,
+        int         ln,
+        const char* format,
+        ...
+        )
+{
+    va_list va;
+    if (level > s_verbose) {
+        return;
+    }
+    
+    if (ln) {
+        fprintf(stderr, "%s:%i:%s: ", file, line, fn);
+    }
+    va_start(va, format);
+    vfprintf(stderr, format, va);
+    va_end(va);
+    if (ln) {
+        size_t len = strlen(format);
+        if (len == 0 || format[len-1] != '\n') {
+            fprintf(stderr, "\n");
+        }
+    }
+}