From c67cf9b98b9056d30261199774d6062eb68cda2f Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Thu, 5 May 2005 11:33:39 +0000 Subject: fix --- sshfs.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) (limited to 'sshfs.c') diff --git a/sshfs.c b/sshfs.c index 1f11e43..92b3c43 100644 --- a/sshfs.c +++ b/sshfs.c @@ -1108,9 +1108,28 @@ static int sshfs_truncate(const char *path, off_t size) struct buffer buf; buf_init(&buf, 0); buf_add_path(&buf, path); - buf_add_uint32(&buf, SSH_FILEXFER_ATTR_SIZE); - buf_add_uint64(&buf, size); - err = sftp_request(SSH_FXP_SETSTAT, &buf, SSH_FXP_STATUS, NULL); + if (size == 0) { + /* If size is zero, use open(..., O_TRUNC), to work around + broken sftp servers */ + struct buffer handle; + buf_add_uint32(&buf, SSH_FXF_WRITE | SSH_FXF_TRUNC); + buf_add_uint32(&buf, 0); + err = sftp_request(SSH_FXP_OPEN, &buf, SSH_FXP_HANDLE, &handle); + if (!err) { + int err2; + buf_finish(&handle); + err2 = sftp_request(SSH_FXP_CLOSE, &handle, 0, NULL); + if (!err) + err = err2; + buf_free(&handle); + } + } else { + buf_init(&buf, 0); + buf_add_path(&buf, path); + buf_add_uint32(&buf, SSH_FILEXFER_ATTR_SIZE); + buf_add_uint64(&buf, size); + err = sftp_request(SSH_FXP_SETSTAT, &buf, SSH_FXP_STATUS, NULL); + } buf_free(&buf); return err; } -- cgit v1.2.3