From a1ead676e69d46df89dd0de12cf86380c5773353 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Thu, 19 Dec 2019 15:00:58 -0500
Subject: sam: report close error

---
 src/cmd/sam/io.c  | 2 +-
 src/cmd/sam/sam.h | 1 +
 src/cmd/sam/sys.c | 7 +++++++
 3 files changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/cmd/sam')

diff --git a/src/cmd/sam/io.c b/src/cmd/sam/io.c
index 8740c7ca..c112c0a1 100644
--- a/src/cmd/sam/io.c
+++ b/src/cmd/sam/io.c
@@ -166,7 +166,7 @@ writeio(File *f)
 void
 closeio(Posn p)
 {
-	close(io);
+	Close(io);
 	io = 0;
 	if(p >= 0)
 		dprint("#%lud\n", p);
diff --git a/src/cmd/sam/sam.h b/src/cmd/sam/sam.h
index c2aaa070..c11163ef 100644
--- a/src/cmd/sam/sam.h
+++ b/src/cmd/sam/sam.h
@@ -237,6 +237,7 @@ int	Read(int, void*, int);
 void	Seek(int, long, int);
 int	plan9(File*, int, String*, int);
 int	Write(int, void*, int);
+void	Close(int);
 int	bexecute(File*, Posn);
 void	cd(String*);
 void	closefiles(File*, String*);
diff --git a/src/cmd/sam/sys.c b/src/cmd/sam/sys.c
index db54d28d..7eed4c9e 100644
--- a/src/cmd/sam/sys.c
+++ b/src/cmd/sam/sys.c
@@ -58,3 +58,10 @@ Seek(int f, long n, int w)
 	if(seek(f, n, w)==-1)
 		syserror("seek");
 }
+
+void
+Close(int f)
+{
+	if(close(f) < 0)
+		syserror("close");
+}
-- 
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