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authorH. Peter Anvin <hpa@zytor.com>2009-11-19 11:10:00 -0800
committerH. Peter Anvin <hpa@zytor.com>2009-11-19 11:10:00 -0800
commit709cdd1bfa7aace9c76016a15f55b3005b843cc8 (patch)
tree831bf12d78da1570976f8a01c6dc105fac1515b0 /com32/include
parenteea0f4d527b1a66fc78b0310a4dbb54ea08a4e96 (diff)
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dprintf: a generic debug-to-serial infrastructure
Actually provide real infrastructure for debug-to-serial. Very useful when debugging fullscreen applications, especially under an emulator like Qemu. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'com32/include')
-rw-r--r--com32/include/dprintf.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/com32/include/dprintf.h b/com32/include/dprintf.h
new file mode 100644
index 00000000..4c9682c0
--- /dev/null
+++ b/com32/include/dprintf.h
@@ -0,0 +1,22 @@
+/*
+ * dprintf.h
+ */
+
+#ifndef _DPRINTF_H
+#define _DPRINTF_H
+
+#ifdef DEBUG
+
+#include <stdio.h>
+
+int dprintf(const char *, ...);
+int vdprintf(const char *, va_list);
+
+#else
+
+#define dprintf(fmt, ...) ((void)(0))
+#define vdprintf(fmt, ap) ((void)(0))
+
+#endif /* DEBUG */
+
+#endif /* _DPRINTF_H */