[kaffe] kwrite usage

[Alexander Boettcher]

Hi,

is it useful/possible to use "kwrite" instead of "write" in the 
kaffe/kaffevm/debug.c ? (see diff).

I use it when stderr(2) is not opened or another filedescriptor is used 
for the output. Then the implementation of the syscall interface can 
change the behavior.

I use it for Kaffe with our DROPS. Kaffe now runs as a native 
application, ;-) , on our microkernel Fiasco and the L4 environment. 
(http://wwwos.inf.tu-dresden.de/drops). I plan to update my  cvs state 
of kaffe (february) with the current one and therefore I submit this 
proposal/patch, which could be useful for you (and for me ;-) ).

Thx,

Alexander Böttcher.
-------------- next part --------------
Index: debug.c
===================================================================
RCS file: /cvs/kaffe/kaffe/kaffe/kaffevm/debug.c,v
retrieving revision 1.55
diff -u -r1.55 debug.c
--- debug.c	2 Aug 2004 10:44:56 -0000	1.55
+++ debug.c	26 Aug 2004 16:26:46 -0000
@@ -36,6 +36,7 @@
 #include "gtypes.h"
 #include "gc.h"
 #include "debug.h"
+#include "jsyscall.h"
 
 /* Default debugging mask to use (if debug is enabled) */
 #define DEFAULT_DEBUG_MASK	DBG_NONE
@@ -388,6 +389,7 @@
 	int n;
 	int max;
 	va_list args;
+	ssize_t w = 0;
 
 	va_start(args, fmt);
 	if (!debugBuffer)
@@ -417,9 +419,10 @@
 		 */
 		max = 0;
 		while (max < n) {
-			int w =  write(2,
-				       debugBuffer + max,
-				       (size_t)(n - max));
+                        KWRITE(2,
+                                       debugBuffer + max,
+                                       (size_t)n - max,&w);
+
 			if (w >= 0)
 				/* ignore errors */
 				max += w;