shithub: mc

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Add writeall to std

--- a/lib/std/bld.sub

+++ b/lib/std/bld.sub

@@ -29,7 +29,7 @@

 	hassuffix.myr

 	htab.myr

 	intparse.myr

-        introspect.myr

+	introspect.myr

 	ipparse.myr

 	mk.myr

 	mkpath.myr

@@ -63,6 +63,7 @@

 	units.myr

 	utf.myr

 	varargs.myr

+	writeall.myr

 	# asm optimizations

 	memops.myr

--- /dev/null

+++ b/lib/std/writeall.myr

@@ -1,0 +1,24 @@

+use "errno.use"

+use "result.use"

+use "option.use"

+use "syswrap.use"

+use "types.use"

+

+pkg std =

+	const writeall : (fd : fd, src : byte[:] -> (size, option(errno)))

+;;

+

+const writeall = {fd, src

+	var sz

+

+	sz = src.len

+	while src.len != 0

+		match std.write(fd, src)

+		| `Ok n:

+			src = src[n:]

+		| `Fail e:

+			-> (sz - src.len, `Some e)

+		;;

+	;;

+	-> (sz, `None)

+}