libc/src/string/strcoll.cpp

   1 //===-- Implementation of strcoll -----------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "src/string/strcoll.h"
  10
  11 #include "src/__support/common.h"
  12
  13 namespace __llvm_libc {
  14
  15 // TODO: Add support for locales.
  16 LLVM_LIBC_FUNCTION(int, strcoll, (const char *left, const char *right)) {
  17   for (; *left && *left == *right; ++left, ++right)
  18     ;
  19   return static_cast<int>(*left) - static_cast<int>(*right);
  20 }
  21
  22 } // namespace __llvm_libc