Beginning porting Emscripten's emmalloc to wasi-libc.

[wasi-libc.git] / libc-top-half / README.md

diff --git a/libc-top-half/README.md b/libc-top-half/README.md
index 0788799545083168bdfe9bae8de7d265161dc03c..c4b81b83dc9407f0ba38af76ee3f934b8f0c3447 100644 (file)
--- a/libc-top-half/README.md
+++ b/libc-top-half/README.md
@@ -1,5 +1,11 @@
+# WASI libc "top half".
+
+The WASI libc "top half" is conceptually the upper half of a traditional libc
+implementation, consisting of C standard library and other relatively
+higher-level functionality.
+
 Code in the musl directory is based on musl revision
-e97681d6f2c44bf5fa9ecdd30607cb63c780062e, which is v1.1.22, from
+040c1d16b468c50c04fc94edff521f1637708328, which is v1.2.0, from
 git://git.musl-libc.org/musl.
 
 Whole files which are unused are omitted. Changes to upstream code are wrapped
@@ -13,7 +19,6 @@ Some major known missing areas include:
  - ipc
  - termios
  - nss
- - environment variables
  - timezones
  - non-builtin locales
  - TIOCGWINSZ (because cloudabi lacks it; affects isatty, line buffering for stdout)