45 struct	upload {  struct
46 	enum uploadst	    state;  argument
47 	char		   *buf; /* if not NULL, pending upload */  argument
48 	size_t		    bufsz; /* size of buf */
49 	size_t		    bufmax; /* maximum size of buf */
50 	size_t		    bufpos; /* position in buf */
51 	size_t		    idx; /* current transfer index */
52 	mode_t		    oumask; /* umask for creating files */
53 	char		   *root; /* destination directory path */
54 	int		    rootfd; /* destination directory */
55 	size_t		    csumlen; /* checksum length */
56 	int		    fdout; /* write descriptor to sender */
57 	const struct flist *fl; /* file list */
58 	size_t		    flsz; /* size of file list */
59 	int		   *newdir; /* non-zero if mkdir'd */