From 04d031d33d6722988ea3db6fce917ababd75a5a7 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Fri, 13 Feb 1987 12:44:33 +0000
Subject: [PATCH] Added some buffering for writes

---
 mach/proto/as/comm4.c |  1 +
 mach/proto/as/comm6.c | 85 +++++++++++++++++++++++++++++++++++--------
 2 files changed, 70 insertions(+), 16 deletions(-)

diff --git a/mach/proto/as/comm4.c b/mach/proto/as/comm4.c
index 3bfec2bc8..db522c06d 100644
--- a/mach/proto/as/comm4.c
+++ b/mach/proto/as/comm4.c
@@ -109,6 +109,7 @@ char **argv;
 	pass_23(PASS_2);
 #endif
 	pass_23(PASS_3);
+	oflush();
 	wr_close();
 	stop();
 }
diff --git a/mach/proto/as/comm6.c b/mach/proto/as/comm6.c
index 347f7b92f..6b2efc877 100644
--- a/mach/proto/as/comm6.c
+++ b/mach/proto/as/comm6.c
@@ -236,10 +236,23 @@ valu_t bytes;
 }
 
 #ifdef RELOCATION
+static int nrelo;
+static struct outrelo relobuf[100];
+
+struct outrelo *
+neworelo()
+{
+	if (nrelo == 100) {
+		wr_relo(relobuf, 100);
+		nrelo = 0;
+	}
+	return &relobuf[nrelo++];
+}
+
 newrelo(s, n)
 short s;
 {
-	struct outrelo outrelo;
+	register struct outrelo *outrelo;
 	int	iscomm;
 
 	if (rflag == 0)
@@ -271,12 +284,13 @@ short s;
 		return;
 	}
 	s &= ~S_VAR;
-	outrelo.or_type = (char)n;
-	outrelo.or_sect = (char)DOTTYP;
+	outrelo = neworelo();
+	outrelo->or_type = (char)n;
+	outrelo->or_sect = (char)DOTTYP;
 #ifndef ASLD
 	if (s == S_UND || iscomm) {
 		assert(relonami != 0);
-		outrelo.or_nami = relonami-1;
+		outrelo->or_nami = relonami-1;
 		relonami = 0;
 	} else
 #endif
@@ -285,28 +299,58 @@ short s;
 		/*
 		 * use first non existing entry (argh)
 		 */
-		outrelo.or_nami = outhead.oh_nname;
+		outrelo->or_nami = outhead.oh_nname;
 	} else {
 		/*
 		 * section symbols are at the end
 		 */
-		outrelo.or_nami = outhead.oh_nname
+		outrelo->or_nami = outhead.oh_nname
 				- outhead.oh_nsect
 				+ (s - S_MIN)
 				;
 	}
-	outrelo.or_addr = (long)DOTVAL;
-	wr_relo(&outrelo, 1);
+	outrelo->or_addr = (long)DOTVAL;
 }
 #endif
 
+static char sbuf[1024];
+static char *psbuf = sbuf;
+
+mwr_string(nm,len)
+	register char *nm;
+{
+	register char *q = psbuf;
+
+	while (len--) {
+		*q++ = *nm++;
+		if (q == &sbuf[1024]) {
+			wr_string(sbuf,1024L);
+			q = sbuf;
+		}
+	}
+	psbuf = q;
+}
+
+static struct outname obuf[100];
+static int nnames;
+
+static struct outname *
+newoname()
+{
+	if (nnames == 100) {
+		wr_name(obuf,100);
+		nnames = 0;
+	}
+	return &obuf[nnames++];
+}
+
 newsymb(name, type, desc, valu)
 register char *name;
 short type;
 short desc;
 valu_t valu;
 {
-	struct outname outname;
+	register struct outname *outname;
 
 	if (name && *name == 0)
 		name = 0;
@@ -318,18 +362,27 @@ valu_t valu;
 		return;
 	}
 	nname++;
+	outname = newoname();
 	if (name) {
 		int len = strlen(name) + 1;
 
-		wr_string(name, len);
-		outname.on_foff = outhead.oh_nchar;
+		mwr_string(name, len);
+		outname->on_foff = outhead.oh_nchar;
 		outhead.oh_nchar += len;
 	} else
-		outname.on_foff = 0;
-	outname.on_type = type;
-	outname.on_desc = desc;
-	outname.on_valu = valu & ~((0xFFFFFFFF)<<(8*sizeof(valu_t)));
-	wr_name(&outname, 1);
+		outname->on_foff = 0;
+	outname->on_type = type;
+	outname->on_desc = desc;
+	outname->on_valu = valu & ~((0xFFFFFFFF)<<(8*sizeof(valu_t)));
+}
+
+oflush()
+{
+#ifdef RELOCATION
+	if (nrelo)	wr_relo(relobuf,nrelo);
+#endif
+	if (nnames)	wr_name(obuf,nnames);
+	if (psbuf > sbuf) wr_string(sbuf, (long) (psbuf - sbuf));
 }
 
 new_common(ip)
-- 
2.34.1