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fix-tests
libc/src/string/memccpy.cpp
35 строк
1 KB
Michael Jones
[libc] apply new lint rules
07 дек 2021, 21:49
07 дек 2021, 21:49
1c92911
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//===-- Implementation of memccpy ----------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "src/string/memccpy.h" #include "src/__support/common.h" #include <stddef.h> // For size_t. namespace __llvm_libc { LLVM_LIBC_FUNCTION(void *, memccpy, (void *__restrict dest, const void *__restrict src, int c, size_t count)) { unsigned char end = static_cast<unsigned char>(c); const unsigned char *uc_src = static_cast<const unsigned char *>(src); unsigned char *uc_dest = static_cast<unsigned char *>(dest); size_t i = 0; // Copy up until end is found. for (; i < count && uc_src[i] != end; ++i) uc_dest[i] = uc_src[i]; // if i < count, then end must have been found, so copy end into dest and // return the byte after. if (i < count) { uc_dest[i] = uc_src[i]; return uc_dest + i + 1; } return nullptr; } } // namespace __llvm_libc