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Fix ChangesetIter::start_strm

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The input reference must still be alive after the function returns
This commit is contained in:
gwenn 2019-11-02 14:53:32 +01:00
parent b57fd14b26
commit de9f06f142
1 changed files with 6 additions and 7 deletions
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13
src/session.rs
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@ -305,14 +305,13 @@ pub struct ChangesetIter<'changeset> {
impl ChangesetIter<'_> {
/// Create an iterator on `input`
pub fn start_strm<'input>(input: &'input mut dyn Read) -> Result<ChangesetIter<'input>> {
let input_ref = &input;
pub fn start_strm<'input>(input: &&'input mut dyn Read) -> Result<ChangesetIter<'input>> {
let mut it = MaybeUninit::uninit();
check!(unsafe {
ffi::sqlite3changeset_start_strm(
it.as_mut_ptr(),
Some(x_input),
input_ref as *const &mut dyn Read as *mut c_void,
input as *const &mut dyn Read as *mut c_void,
)
});
let it: *mut ffi::sqlite3_changeset_iter = unsafe { it.assume_init() };
@ -743,7 +742,7 @@ unsafe extern "C" fn x_output(p_out: *mut c_void, data: *const c_void, len: c_in
#[cfg(test)]
mod test {
use fallible_streaming_iterator::FallibleStreamingIterator;
use std::io::Cursor;
use std::io::Read;
use std::sync::atomic::{AtomicBool, Ordering};
use super::{Changeset, ChangesetIter, ConflictAction, ConflictType, Session};
@ -809,8 +808,8 @@ mod test {
assert!(!output.is_empty());
assert_eq!(14, output.len());
let mut input = Cursor::new(output);
let mut iter = ChangesetIter::start_strm(&mut input).unwrap();
let input: &mut dyn Read = &mut output.as_slice();
let mut iter = ChangesetIter::start_strm(&input).unwrap();
let item = iter.next().unwrap();
assert!(item.is_some());
}
@ -868,7 +867,7 @@ mod test {
db.execute_batch("CREATE TABLE foo(t TEXT PRIMARY KEY NOT NULL);")
.unwrap();
let mut input = Cursor::new(output);
let mut input = output.as_slice();
db.apply_strm(
&mut input,
None::<fn(&str) -> bool>,