diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2023-11-14 19:52:48 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2023-11-14 19:52:48 +0300 |
| commit | 324ace778f70e3e89d16c5460d2f9b4454acddb2 (patch) | |
| tree | 66eff57054b8ff0b20435e57f15d699192240f44 /winsup | |
| parent | c4008b8bc066ee101c3dc6463db7516edb7dc666 (diff) | |
Cygwin: rand(3): implement in terms of random(3)
This makes rand(3) ISO C compliant and adds locking to avoid
race conditions.
Reported-by: Bruno Haible <bruno@clisp.org>
Fixes: 8a0efa53e4491 ("import newlib-2000-02-17 snapshot")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup')
| -rw-r--r-- | winsup/cygwin/random.cc | 8 | ||||
| -rw-r--r-- | winsup/cygwin/release/3.4.10 | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/winsup/cygwin/random.cc b/winsup/cygwin/random.cc index 51f5a6e96..ddba6fb94 100644 --- a/winsup/cygwin/random.cc +++ b/winsup/cygwin/random.cc @@ -293,6 +293,8 @@ srandom(unsigned x) __random_unlock(); } +EXPORT_ALIAS (srandom, srand) + /* * initstate: * @@ -481,4 +483,10 @@ random() return (r); } +int +rand() +{ + return ((int) random()); +} + } diff --git a/winsup/cygwin/release/3.4.10 b/winsup/cygwin/release/3.4.10 index 3bbbca381..758a6e071 100644 --- a/winsup/cygwin/release/3.4.10 +++ b/winsup/cygwin/release/3.4.10 @@ -15,3 +15,6 @@ Bug Fixes - Updates to profiler and gmondump: error display mechanics, buffer sizing, and output formatting. + +- Align behaviour of rand(3) to ISO C. + Adresses: https://cygwin.com/pipermail/cygwin/2023-November/254735.html |