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chromium / external / github.com / kripken / emscripten / refs/heads/avoid_debugging / . / system / lib / libc
tree: b4b129a014866e271eed53214d988f3e0f462091 [path history] [tgz]
  1. compat/
  2. musl/
  3. crt1.c
  4. crt1_reactor.c
  5. emscripten_asan_fcntl.c
  6. emscripten_asan_memchr.c
  7. emscripten_asan_strchrnul.c
  8. emscripten_asan_strcpy.c
  9. emscripten_asan_strlen.c
  10. emscripten_get_heap_size.c
  11. emscripten_memcpy.c
  12. emscripten_memmove.c
  13. emscripten_memset.c
  14. emscripten_pthread.c
  15. emscripten_scan_stack.c
  16. extras.c
  17. README.md
  18. wasi-helpers.c
system/lib/libc/README.md

This folder contains the musl version of libc at /musl. The upstream version can be found at http://www.musl-libc.org/. Most of the source comes from musl 1.1.15, with some exceptions listed below.

Some changes have been made to the version that was taken from upstream, including:

  • Emscripten-specific changes (from before this readme existed). These should be marked with XXX EMSCRIPTEN in the source, or ifdefed with #if __EMSCRIPTEN__. They are mostly in pthreads code and hopefully temporary.
  • Backporting an operator-precedence warning fix from 6e76e1540fc58a418494bf5eb832b556f9c5763e in the upstream version.
  • Switch to using the wasi fd_write syscall instead of writev.
  • Simplify stdout stream handling: do not support seeking, terminal handling, etc., as it just increases code size and Emscripten doesn't have those features anyhow.
  • Setting _POSIX_REALTIME_SIGNALS and _POSIX_SPAWN macros to -1, to exclude unsupported functions.

Backported src/stdio/vswprintf.c from 1.1.23 to fix #9305. Backported src/string/{memccpy,memchr,memmove,stpcpy,stpncpy,strchrnul,strlcpy,strlen}.c from 1.2.0 to fix #7279. Backported src/internal/floatscan.c to latest, see #11445.