shithub: mc

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Allow for destroying a file without closing.

    This is useful for buffered wrappers around FDs.

--- a/bio.myr

+++ b/bio.myr

@@ -27,6 +27,7 @@

 	const dial	: (srv	: byte[:], mode : mode	-> std.option(file#))

 	const create	: (path : byte[:], mode : mode, perm : int	-> std.option(file#))

 	const close	: (f : file# -> bool)

+	const free	: (f : file# -> bool)

 	/* basic i/o. Returns sub-buffer when applicable. */

 	const write	: (f : file#, src : byte[:]	-> std.size)

@@ -129,6 +130,14 @@

 /* closes a file, flushing it to the output fd */

 const close = {f

+	var closed

+

+	closed = (std.close(f.fd) == 0)

+	free(f)

+	-> closed

+}

+

+const free = {f

 	flush(f)

 	if f.mode & Rd != 0

 		std.slfree(f.rbuf)

@@ -137,7 +146,7 @@

 	if f.mode & Wr != 0

 		std.slfree(f.wbuf)

 	;;

-	-> std.close(f.fd) == 0

+	std.free(f)

 }

 /*