1 //===-- Implementation of strrchr------------------------------------------===//
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/strrchr.h"
10 
11 #include "src/__support/common.h"
12 
13 namespace __llvm_libc {
14 
15 LLVM_LIBC_FUNCTION(char *, strrchr, (const char *src, int c)) {
16   const char ch = static_cast<char>(c);
17   char *last_occurrence = nullptr;
18   for (; *src; ++src) {
19     if (*src == ch)
20       last_occurrence = const_cast<char *>(src);
21   }
22   return last_occurrence;
23 }
24 
25 } // namespace __llvm_libc
26