Allocate buffers as static data structures.

This cuts down quite a lot of malloc, since in actual use,
buffer usage is mostly static.

1 files changed, 9 insertions, 10 deletions

diff --git a/usr.bin/make/for.c b/usr.bin/make/for.c
index f2541465003..ff1cab7099b 100644
--- a/usr.bin/make/for.c
+++ b/usr.bin/make/for.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: for.c,v 1.9 1999/12/16 16:41:41 espie Exp $	*/
+/*	$OpenBSD: for.c,v 1.10 1999/12/16 17:02:45 espie Exp $	*/
 /*	$NetBSD: for.c,v 1.4 1996/11/06 17:59:05 christos Exp $	*/
 
 /*
@@ -65,7 +65,7 @@
 #if 0
 static char sccsid[] = "@(#)for.c	8.1 (Berkeley) 6/6/93";
 #else
-static char rcsid[] = "$OpenBSD: for.c,v 1.9 1999/12/16 16:41:41 espie Exp $";
+static char rcsid[] = "$OpenBSD: for.c,v 1.10 1999/12/16 17:02:45 espie Exp $";
 #endif
 #endif /* not lint */
 
@@ -101,7 +101,7 @@ static char rcsid[] = "$OpenBSD: for.c,v 1.9 1999/12/16 16:41:41 espie Exp $";
 
 static int  	  forLevel = 0;  	/* Nesting level	     */
 static char	 *forVar;		/* Iteration variable	     */
-static Buffer	  forBuf;		/* Commands in loop	     */
+static BUFFER	  forBuf;		/* Commands in loop	     */
 static Lst	  forLst;		/* List of items	     */
 static unsigned long forLineno;		/* Line at beginning of loop */
 
@@ -219,7 +219,7 @@ For_Eval (line)
 	build_words_list(forLst, sub);
 	free(sub);
 	forLineno = Parse_Getlineno();
-	forBuf = Buf_Init(0);
+	Buf_Init(&forBuf, 0);
 	forLevel++;
 	return 1;
     }
@@ -246,8 +246,8 @@ For_Eval (line)
     }
 
     if (forLevel != 0) {
-	Buf_AddString(forBuf, line);
-	Buf_AddChar(forBuf, '\n');
+	Buf_AddString(&forBuf, line);
+	Buf_AddChar(&forBuf, '\n');
 	return 1;
     }
     else {
@@ -304,19 +304,18 @@ For_Run()
 {
     For arg;
 
-    if (forVar == NULL || forBuf == NULL || forLst == NULL)
+    if (forVar == NULL || forLst == NULL)
 	return;
     arg.var = forVar;
-    arg.buf = forBuf;
+    arg.buf = &forBuf;
     arg.lst = forLst;
     arg.lineno = forLineno;
     forVar = NULL;
-    forBuf = NULL;
     forLst = NULL;
 
     Lst_ForEach(arg.lst, ForExec, (ClientData) &arg);
 
     free((Address)arg.var);
     Lst_Destroy(arg.lst, (void (*) __P((ClientData))) free);
-    Buf_Destroy(arg.buf, TRUE);
+    Buf_Destroy(arg.buf);
 }