[all-commits] [llvm/llvm-project] 36991d: [libc] add scanf entrypoints

[michaelrj-google via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 36991d8342ca74b68cf74a148af2d1e87823159a
      https://github.com/llvm/llvm-project/commit/36991d8342ca74b68cf74a148af2d1e87823159a
  Author: Michael Jones <michaelrj at google.com>
  Date:   2022-11-17 (Thu, 17 Nov 2022)

  Changed paths:
    M libc/config/linux/x86_64/entrypoints.txt
    M libc/spec/stdc.td
    M libc/src/stdio/CMakeLists.txt
    A libc/src/stdio/fscanf.cpp
    A libc/src/stdio/fscanf.h
    A libc/src/stdio/scanf.cpp
    A libc/src/stdio/scanf.h
    M libc/src/stdio/scanf_core/CMakeLists.txt
    A libc/src/stdio/scanf_core/vfscanf_internal.cpp
    A libc/src/stdio/scanf_core/vfscanf_internal.h
    A libc/src/stdio/sscanf.cpp
    A libc/src/stdio/sscanf.h
    M libc/test/src/stdio/CMakeLists.txt
    A libc/test/src/stdio/fscanf_test.cpp
    A libc/test/src/stdio/sscanf_test.cpp

  Log Message:
  -----------
  [libc] add scanf entrypoints

This patch adds scanf, sscanf, and fscanf entrypoints. It also adds unit
tests for sscanf and a basic test to fscanf. The scanf function is
basically impossible to test in an automated fashion due to it recieving
user input.

Reviewed By: sivachandra, lntue

Differential Revision: https://reviews.llvm.org/D138076