shithub: asif

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add small debug print wrapper

--- a/asif.h

+++ b/asif.h

@@ -91,3 +91,13 @@

 #define MAX(a,b)	((a) >= (b) ? (a) : (b))

 #define SQRT2 1.4142135623730951

+

+enum{

+	Lognone,

+	Logdebug,

+	Logtrace,

+};

+extern int debuglevel;

+

+void	dprint(char *, ...);

+#pragma	varargck	argpos	dprint	1

--- /dev/null

+++ b/dprint.c

@@ -1,0 +1,19 @@

+#include <u.h>

+#include <libc.h>

+#include "asif.h"

+

+int debuglevel;

+

+void

+dprint(char *fmt, ...)

+{

+	char s[256];

+	va_list arg;

+

+	if(debuglevel == Lognone)

+		return;

+	va_start(arg, fmt);

+	vseprint(s, s+sizeof s, fmt, arg);

+	va_end(arg);

+	fprint(2, "%s", s);

+}