From c31f81ac8b402e72acf552eb9b0740a700000e8b Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 1 Mar 2005 20:56:27 +0000
Subject: open: preserve error on failed open write: handle offset correctly
 for fswrite

---
 src/lib9pclient/open.c  | 3 +++
 src/lib9pclient/write.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/lib9pclient')

diff --git a/src/lib9pclient/open.c b/src/lib9pclient/open.c
index e9fb981b..2317bbb7 100644
--- a/src/lib9pclient/open.c
+++ b/src/lib9pclient/open.c
@@ -7,6 +7,7 @@
 CFid*
 fsopen(CFsys *fs, char *name, int mode)
 {
+	char e[ERRMAX];
 	CFid *fid;
 	Fcall tx, rx;
 
@@ -16,7 +17,9 @@ fsopen(CFsys *fs, char *name, int mode)
 	tx.fid = fid->fid;
 	tx.mode = mode;
 	if(_fsrpc(fs, &tx, &rx, 0) < 0){
+		rerrstr(e, sizeof e);
 		fsclose(fid);
+		errstr(e, sizeof e);
 		return nil;
 	}
 	fid->mode = mode;
diff --git a/src/lib9pclient/write.c b/src/lib9pclient/write.c
index f4eab964..9f908589 100644
--- a/src/lib9pclient/write.c
+++ b/src/lib9pclient/write.c
@@ -53,7 +53,7 @@ fspwrite(CFid *fid, void *buf, long n, vlong offset)
 		want = n - tot;
 		if(want > msize)
 			want = msize;
-		got = _fspwrite(fid, buf, want, offset);
+		got = _fspwrite(fid, buf+tot, want, offset);
 		first = 0;
 		if(got < 0){
 			if(tot == 0)
-- 
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