prc1: Rework arg handling + dbg

1 files changed, 19 insertions, 0 deletions

diff --git a/src/prc1/dbg.c b/src/prc1/dbg.c
new file mode 100644
index 0000000..cf2d18c
--- /dev/null
+++ b/src/prc1/dbg.c
@@ -0,0 +1,19 @@
+#include "dbg.h"
+#include <stdarg.h>
+#include <stdio.h>
+
+int dbgen;
+
+int dbg(const char *fmt, ...)
+{
+    int n;
+    va_list ap;
+
+    if (!dbgen)
+        return 0;
+
+    va_start(ap, fmt);
+    n = vfprintf(stderr, fmt, ap);
+    va_end(ap);
+    return n;
+}