merge

1 files changed, 39 insertions, 0 deletions

diff --git a/lout/msg.h b/lout/msg.h
new file mode 100644
index 00000000..4993c105
--- /dev/null
+++ b/lout/msg.h
@@ -0,0 +1,39 @@
+#ifndef __MSG_H__
+#define __MSG_H__
+
+#include <stdio.h>
+
+#define prefs_show_msg    1
+
+#define D_STMT_START      do
+#define D_STMT_END        while (0)
+
+/*
+ * You can disable any MSG* macro by adding the '_' prefix.
+ */
+#define _MSG(...)
+#define _MSG_WARN(...)
+#define _MSG_ERR(...)
+
+
+#define MSG(...)                                   \
+   D_STMT_START {                                  \
+      if (prefs_show_msg){                         \
+         printf(__VA_ARGS__);                      \
+         fflush (stdout);                          \
+      }                                            \
+   } D_STMT_END
+
+#define MSG_WARN(...)                              \
+   D_STMT_START {                                  \
+      if (prefs_show_msg)                          \
+         printf("** WARNING **: " __VA_ARGS__);    \
+   } D_STMT_END
+
+#define MSG_ERR(...)                               \
+   D_STMT_START {                                  \
+      if (prefs_show_msg)                          \
+         printf("** ERROR **: " __VA_ARGS__);      \
+   } D_STMT_END
+
+#endif /* __MSG_H__ */