--- margi2/ringbuffy.c	2000/12/03 22:41:04	1.1
+++ margi2/ringbuffy.c	2001/03/29 23:12:01	1.2
@@ -88,6 +88,39 @@ int ring_write(ringbuffy *rbuf, const ch
 }
 
 
+int ring_writek(ringbuffy *rbuf, const char *data, int count)
+{
+
+	long diff, free, pos, rest;
+
+      
+	if (count <=0 || !rbuf->buffy) return 0;
+       	pos  = rbuf->write_pos;
+	rest = rbuf->size - pos;
+	diff = rbuf->read_pos - pos;
+	free = (diff > 0) ? diff-4 : rbuf->size+diff-4;
+
+	if ( free <= 0 ) return 0;
+	if ( free < count ) count = free;
+	
+	if (count >= rest){
+		if(memcpy(rbuf->buffy+pos, data, rest))
+		  return -EFAULT;
+		if (count - rest)
+			if(memcpy(rbuf->buffy, data+rest, 
+					  count - rest))
+			  return -EFAULT;
+		rbuf->write_pos = count - rest;
+	} else {
+		memcpy(rbuf->buffy+pos, data, count);
+		rbuf->write_pos += count;
+	}
+
+	return count;
+}
+
+
+
 
 int ring_read(ringbuffy *rbuf, char *data, int count)
 {
@@ -147,11 +180,10 @@ int ring_read_direct(ringbuffy *rbuf, in
 
 
 long ring_read_rest(ringbuffy *rbuf){
-       	long diff, free, pos, rest;
+       	long diff, free, pos;
 
 	if (!rbuf->buffy) return 0;
 	pos  = rbuf->read_pos;
-	rest = rbuf->size - pos;
 	diff = rbuf->write_pos - pos;
 	free = (diff >= 0) ? diff : rbuf->size+diff;
 	
@@ -159,11 +191,10 @@ long ring_read_rest(ringbuffy *rbuf){
 }
 
 long ring_write_rest(ringbuffy *rbuf){
-       	long diff, free, pos, rest;
+       	long diff, free, pos;
 
 	if (!rbuf->buffy) return 0;
        	pos  = rbuf->write_pos;
-	rest = rbuf->size - pos;
 	diff = rbuf->read_pos - pos;
 	free = (diff > 0) ? diff-4 : rbuf->size+diff-4;