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wasi-libc
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wasi-libc/libc-bottom-half
Dan Gohman 870a25121b
Remove unused cloudlibc headers. (#170) 		5 years ago
..
cloudlibc Remove unused cloudlibc headers. (#170) 5 years ago
crt Use constructor functions for optional init routines. (#142) 5 years ago
headers gen-headers: Generate assertions of layout from witx (#149) 5 years ago
libpreopen Don't call `free` on paths which are about to call `_Exit`. (#161) 5 years ago
mman Use consistent style for wasi-libc C source files. (#131) 5 years ago
sources Fix environment variable init to exit successfully. (#159) 5 years ago
README.md Update to libpreopen 8835639f27fc42d32096d59d294a0bbb857dc368. 6 years ago

README.md

"WASI" the WebAssembly System Interface.

WASI libc is conceptually the lower half of a traditional libc implementation. It provides C interfaces to the low-level WASI syscalls.

This is largely based on CloudABI, cloudlibc, and libpreopen, however we use just the low-level syscall wrappers rather than all of cloudlibc and libpreopen, and we have several customizations for use in a WebAssembly sysroot.

The upstream repositories and versions used here are:

cloudlibc - https://github.com/NuxiNL/cloudlibc 8835639f27fc42d32096d59d294a0bbb857dc368 libpreopen - https://github.com/musec/libpreopen b29e9287cc75a7db7291ce3eb468a3d2bad8ceb1

Whole files which are unused are omitted. Changes to upstream code are wrapped in preprocessor directives controlled by the macro __wasilibc_unmodified_upstream, except that CloudABI names have also been renamed to WASI names without annotations.

WASI libc currently depends on the basics and dlmalloc components of reference-sysroot.