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fix const-ness of some FFI name & doc members #3036

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merged 1 commit into from
Mar 10, 2023
Merged

fix const-ness of some FFI name & doc members #3036

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1 change: 1 addition & 0 deletions newsfragments/3036.fixed.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Correct FFI definitions `PyGetSetDef`, `PyMemberDef`, `PyStructSequence_Field` and `PyStructSequence_Desc` to have `*const c_char` members for `name` and `doc` (not `*mut c_char`).
4 changes: 2 additions & 2 deletions pyo3-ffi/src/descrobject.rs
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Expand Up @@ -11,7 +11,7 @@ pub type setter =
#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct PyGetSetDef {
pub name: *mut c_char,
pub name: *const c_char,
pub get: Option<getter>,
pub set: Option<setter>,
pub doc: *const c_char,
Expand All @@ -21,7 +21,7 @@ pub struct PyGetSetDef {
impl Default for PyGetSetDef {
fn default() -> PyGetSetDef {
PyGetSetDef {
name: ptr::null_mut(),
name: ptr::null(),
get: None,
set: None,
doc: ptr::null(),
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4 changes: 2 additions & 2 deletions pyo3-ffi/src/structmember.rs
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Expand Up @@ -6,11 +6,11 @@ use std::ptr;
#[repr(C)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct PyMemberDef {
pub name: *mut c_char,
pub name: *const c_char,
pub type_code: c_int,
pub offset: Py_ssize_t,
pub flags: c_int,
pub doc: *mut c_char,
pub doc: *const c_char,
}

impl Default for PyMemberDef {
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8 changes: 4 additions & 4 deletions pyo3-ffi/src/structseq.rs
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Expand Up @@ -6,15 +6,15 @@ use std::os::raw::{c_char, c_int};
#[repr(C)]
#[derive(Copy, Clone)]
pub struct PyStructSequence_Field {
pub name: *mut c_char,
pub doc: *mut c_char,
pub name: *const c_char,
pub doc: *const c_char,
}

#[repr(C)]
#[derive(Copy, Clone)]
pub struct PyStructSequence_Desc {
pub name: *mut c_char,
pub doc: *mut c_char,
pub name: *const c_char,
pub doc: *const c_char,
pub fields: *mut PyStructSequence_Field,
pub n_in_sequence: c_int,
}
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