1 //===-- Implementation of qsort_r -----------------------------------------===// 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/stdlib/qsort_r.h" 10 #include "src/__support/common.h" 11 #include "src/__support/macros/config.h" 12 #include "src/stdlib/qsort_util.h" 13 14 #include <stdint.h> 15 16 namespace LIBC_NAMESPACE_DECL { 17 18 LLVM_LIBC_FUNCTION(void, qsort_r, 19 (void *array, size_t array_size, size_t elem_size, 20 int (*compare)(const void *, const void *, void *), 21 void *arg)) { 22 if (array == nullptr || array_size == 0 || elem_size == 0) 23 return; 24 internal::Comparator c(compare, arg); 25 auto arr = internal::Array(reinterpret_cast<uint8_t *>(array), array_size, 26 elem_size, c); 27 28 internal::sort(arr); 29 } 30 31 } // namespace LIBC_NAMESPACE_DECL 32