//===-- Implementation of strncpy -----------------------------------------===// // // 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/strncpy.h" #include "src/__support/common.h" #include // For size_t. namespace __llvm_libc { char *LLVM_LIBC_ENTRYPOINT(strncpy)(char *__restrict dest, const char *__restrict src, size_t n) { size_t i = 0; // Copy up until \0 is found. for (; i < n && src[i] != '\0'; ++i) dest[i] = src[i]; // When n>strlen(src), n-strlen(src) \0 are appended. for (; i < n; ++i) dest[i] = '\0'; return dest; } } // namespace __llvm_libc