b6bc9d72f6
This is step 4 of https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
27 lines
894 B
C++
27 lines
894 B
C++
//===-- Implementation of strncasecmp -------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/string/strncasecmp.h"
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#include "src/__support/common.h"
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#include "src/__support/ctype_utils.h"
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#include "src/string/memory_utils/inline_strcmp.h"
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namespace LIBC_NAMESPACE {
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LLVM_LIBC_FUNCTION(int, strncasecmp,
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(const char *left, const char *right, size_t n)) {
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auto case_cmp = [](char a, char b) {
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return LIBC_NAMESPACE::internal::tolower(a) -
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LIBC_NAMESPACE::internal::tolower(b);
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};
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return inline_strncmp(left, right, n, case_cmp);
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}
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} // namespace LIBC_NAMESPACE
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