do not set O_TRUNC when opening destination file.

It prevents `mscp localhost:hoge ~/hoge` from truncating the source
file. See https://bugzilla.mindrot.org/show_bug.cgi?id=3431.

https://github.com/upa/mscp/issues/1

1 files changed, 5 insertions, 1 deletions

diff --git a/src/fileops.h b/src/fileops.h
index ede9c48..8dc6e5b 100644
--- a/src/fileops.h
+++ b/src/fileops.h
@@ -46,7 +46,11 @@ typedef struct mf_struct mf;
 mf *mscp_open(const char *path, int flags, mode_t mode, sftp_session sftp);
 void mscp_close(mf *f);
 int mscp_lseek(mf *f, size_t off);
-int mscp_chmod(const char *path, mode_t mode, sftp_session sftp);
+
+/* mscp_setstat() involves chmod and truncate. It executes both at
+ * once via a single SFTP command (sftp_setstat()).
+ */
+int mscp_setstat(const char *path, mode_t mode, size_t size, sftp_session sftp);
 
 /* remote glob */
 int mscp_glob(const char *pattern, int flags, glob_t *pglob, sftp_session sftp);