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| author | kennytm <kennytm@gmail.com> | 2018-03-06 18:20:35 +0800 |
|---|---|---|
| committer | kennytm <kennytm@gmail.com> | 2018-03-06 20:52:36 +0800 |
| commit | ebc6d6e24fa28cfaebd788786f61ab01a9ffda54 (patch) | |
| tree | 27d76c1b6932a59943eba929b295653f5183b3d5 /src/libstd | |
| parent | ee9425214bf6b71692c5d79b92ca4ec20fbdcd4a (diff) | |
| parent | 5344b07addf342334470778964d863d99eec7430 (diff) | |
| download | rust-ebc6d6e24fa28cfaebd788786f61ab01a9ffda54.tar.gz rust-ebc6d6e24fa28cfaebd788786f61ab01a9ffda54.zip | |
Rollup merge of #48507 - GuillaumeGomez:cstr-note, r=steveklabnik
Add new warning for CStr::from_ptr Fixes #48401.
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/ffi/c_str.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/ffi/c_str.rs b/src/libstd/ffi/c_str.rs index 2519d830435..c88c2bc9137 100644 --- a/src/libstd/ffi/c_str.rs +++ b/src/libstd/ffi/c_str.rs @@ -875,6 +875,8 @@ impl CStr { /// `ptr`. /// * There is no guarantee that the memory pointed to by `ptr` contains a /// valid nul terminator byte at the end of the string. + /// * It is not guaranteed that the memory pointed by `ptr` won't change + /// before the `CStr` has been destroyed. /// /// > **Note**: This operation is intended to be a 0-cost cast but it is /// > currently implemented with an up-front calculation of the length of |