wm: glendy

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util: add dprint, only prints if client got debug on, quite handy.

--- a/util.c

+++ b/util.c

@@ -8,7 +8,6 @@

 #include "engine.h"

-

 int

 isnum(char *s, unsigned int n)

 {

@@ -94,4 +93,19 @@

 		sysfatal("parseput(): input isnt a number?");

 	return Pt(atoi(x), atoi(y));

+}

+

+int

+dprint(char *fmt, ...)

+{

+	va_list va;

+	int n;

+

+	if(!debug)

+		return 0;

+	

+	va_start(va, fmt);

+	n = vfprint(2, fmt, va);

+	va_end(va);

+	return n;

 }

\ No newline at end of file

--- a/util.h

+++ b/util.h

@@ -1,4 +1,5 @@

 int isnum(char *s, unsigned int n);

 int parsemove(char *s);

 char* dirtostr(int dir);

-Point parseput(char *x, char *y);

\ No newline at end of file

+Point parseput(char *x, char *y);

+int dprint(char *fmt, ...);