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Add a wrapper for strings allocated on sqlite heap

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This commit is contained in:
Thom Chiovoloni
2020-04-16 07:24:03 -07:00
committed by Thom Chiovoloni
parent ca3583e1df
commit 418ef10af2
5 changed files with 242 additions and 35 deletions
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12
src/raw_statement.rs
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@@ -1,6 +1,8 @@
use super::ffi;
use super::unlock_notify;
use super::StatementStatus;
#[cfg(feature = "modern_sqlite")]
use crate::util::SqliteMallocString;
use std::ffi::CStr;
use std::os::raw::c_int;
use std::ptr;
@@ -124,15 +126,9 @@ impl RawStatement {
unsafe { ffi::sqlite3_stmt_readonly(self.0) != 0 }
}
/// `CStr` must be freed
#[cfg(feature = "modern_sqlite")] // 3.14.0
pub unsafe fn expanded_sql(&self) -> Option<&CStr> {
let ptr = ffi::sqlite3_expanded_sql(self.0);
if ptr.is_null() {
None
} else {
Some(CStr::from_ptr(ptr))
}
pub(crate) fn expanded_sql(&self) -> Option<SqliteMallocString> {
unsafe { SqliteMallocString::from_raw(ffi::sqlite3_expanded_sql(self.0)) }
}
pub fn get_status(&self, status: StatementStatus, reset: bool) -> i32 {