| //===-- Implementation of rand --------------------------------------------===// |
| // |
| // 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/stdlib/rand.h" |
| #include "src/__support/common.h" |
| #include "src/stdlib/rand_util.h" |
| |
| namespace __llvm_libc { |
| |
| // This rand function is the example implementation from the C standard. It is |
| // not cryptographically secure. |
| LLVM_LIBC_FUNCTION(int, rand, (void)) { // RAND_MAX is assumed to be 32767 |
| rand_next = rand_next * 1103515245 + 12345; |
| return static_cast<unsigned int>((rand_next / 65536) % 32768); |
| } |
| |
| } // namespace __llvm_libc |
