commit - f365e600d41badc64b7a13ba385eb876d381abaa
commit + 986b36bccd134726eea42f2cfabff2943d729ac4
blob - fda598ac23afb9bc730a56e8c1708c801cc5328e
blob + 600f0948939a08905f275d40bebc91cb4db6a7f4
--- include/bio.h
+++ include/bio.h
@@ -55,6 +55,7 @@ struct	Biobuf
 	(bp)->fid
 
 int	Bbuffered(Biobuf*);
+Biobuf*	Bfdopen(int, int);
 int	Bfildes(Biobuf*);
 int	Bflush(Biobuf*);
 int	Bgetc(Biobuf*);
blob - f404f2566e56268dba43006da61a7b17fb357f1b (mode 644)
blob + /dev/null
--- src/libbio/Makefile
+++ /dev/null
@@ -1,31 +0,0 @@
-PLAN9=../..
-include $(PLAN9)/src/Makehdr
-
-LIB=libbio.a
-
-OFILES=\
-	bbuffered.$O\
-	bfildes.$O\
-	bflush.$O\
-	bgetc.$O\
-	bgetd.$O\
-	binit.$O\
-	boffset.$O\
-	bprint.$O\
-	bputc.$O\
-	brdline.$O\
-	brdstr.$O\
-	bread.$O\
-	bseek.$O\
-	bwrite.$O\
-	bgetrune.$O\
-	bputrune.$O\
-
-HFILES=\
-	$(PLAN9)/include/bio.h\
-
-include $(PLAN9)/src/Makesyslib
-
-bcat: bcat.$O $(LIB)
-	$(CC) -o bcat bcat.$O -L$(PLAN9)/lib -lbio -lfmt -lutf
-
blob - d76168b7fdba8169c16f8c1c375e3c1b9a14dece
blob + 33bf581286e1e9d787c0d38e50f40e95b41910ed
--- src/libbio/binit.c
+++ src/libbio/binit.c
@@ -98,6 +98,19 @@ Binit(Biobuf *bp, int f, int mode)
 }
 
 Biobuf*
+Bfdopen(int f, int mode)
+{
+	Biobuf *bp;
+
+	bp = malloc(sizeof(Biobuf));
+	if(bp == 0)
+		return 0;
+	Binits(bp, f, mode, bp->b, sizeof(bp->b));
+	bp->flag = Bmagic;
+	return bp;
+}
+
+Biobuf*
 Bopen(char *name, int mode)
 {
 	Biobuf *bp;
@@ -119,11 +132,9 @@ Bopen(char *name, int mode)
 		if(f < 0)
 			return 0;
 	}
-	bp = malloc(sizeof(Biobuf));
+	bp = Bfdopen(f, mode);
 	if(bp == 0)
-		return 0;
-	Binits(bp, f, mode, bp->b, sizeof(bp->b));
-	bp->flag = Bmagic;
+		close(f);
 	return bp;
 }
 
blob - /dev/null
blob + 2c64b257214d8305b7d1820c557c0e802c0ac940 (mode 644)
--- /dev/null
+++ src/libbio/mkfile
@@ -0,0 +1,31 @@
+PLAN9=../..
+<$PLAN9/src/mkhdr
+
+LIB=libbio.a
+
+OFILES=\
+	bbuffered.$O\
+	bfildes.$O\
+	bflush.$O\
+	bgetc.$O\
+	bgetd.$O\
+	binit.$O\
+	boffset.$O\
+	bprint.$O\
+	bputc.$O\
+	brdline.$O\
+	brdstr.$O\
+	bread.$O\
+	bseek.$O\
+	bwrite.$O\
+	bgetrune.$O\
+	bputrune.$O\
+
+HFILES=\
+	$PLAN9/include/bio.h\
+
+<$PLAN9/src/mksyslib
+
+bcat: bcat.$O $LIB
+	$CC -o bcat bcat.$O -L$PLAN9/lib -lbio -lfmt -lutf
+