libc: remove privfree(), simplify privalloc()

1 files changed, 5 insertions, 28 deletions

diff --git a/sys/src/libc/9sys/privalloc.c b/sys/src/libc/9sys/privalloc.c
index 907485e2f..3117ffc56 100644
--- a/sys/src/libc/9sys/privalloc.c
+++ b/sys/src/libc/9sys/privalloc.c
@@ -2,8 +2,6 @@
 #include <libc.h>
 
 static Lock	privlock;
-static int	privinit;
-static void	**privs;
 
 extern void	**_privates;
 extern int	_nprivates;
@@ -12,34 +10,13 @@ void **
 privalloc(void)
 {
 	void **p;
-	int i;
 
 	lock(&privlock);
-	if(!privinit){
-		privinit = 1;
-		if(_nprivates){
-			_privates[0] = 0;
-			for(i = 1; i < _nprivates; i++)
-				_privates[i] = &_privates[i - 1];
-			privs = &_privates[i - 1];
-		}
-	}
-	p = privs;
-	if(p != nil){
-		privs = *p;
-		*p = nil;
-	}
+	if(_nprivates > 0)
+		p = &_privates[--_nprivates];
+	else
+		p = nil;
 	unlock(&privlock);
-	return p;
-}
 
-void
-privfree(void **p)
-{
-	lock(&privlock);
-	if(p != nil && privinit){
-		*p = privs;
-		privs = p;
-	}
-	unlock(&privlock);
+	return p;
 }