[libc-commits] [PATCH] D157138: [libc] Add v variants of printf functions

[Michael Jones via Phabricator via libc-commits]

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The v variants of the printf functions take their variadic arguments as
a va_list instead of as individual arguments. They are otherwise
identical to the corresponding printf variants. This patch adds them
(vprintf, vfprintf, vsprintf, and vsnprintf) as well as tests.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D157138

Files:
  libc/config/linux/aarch64/entrypoints.txt
  libc/config/linux/riscv64/entrypoints.txt
  libc/config/linux/x86_64/entrypoints.txt
  libc/include/stdio.h.def
  libc/spec/spec.td
  libc/spec/stdc.td
  libc/src/stdio/CMakeLists.txt
  libc/src/stdio/vfprintf.cpp
  libc/src/stdio/vfprintf.h
  libc/src/stdio/vprintf.cpp
  libc/src/stdio/vprintf.h
  libc/src/stdio/vsnprintf.cpp
  libc/src/stdio/vsnprintf.h
  libc/src/stdio/vsprintf.cpp
  libc/src/stdio/vsprintf.h
  libc/test/src/stdio/CMakeLists.txt
  libc/test/src/stdio/vfprintf_test.cpp
  libc/test/src/stdio/vprintf_test.cpp
  libc/test/src/stdio/vsnprintf_test.cpp
  libc/test/src/stdio/vsprintf_test.cpp

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