rusqlite/util/
mod.rs

1// Internal utilities
2pub(crate) mod param_cache;
3mod small_cstr;
4pub(crate) use param_cache::ParamIndexCache;
5pub(crate) use small_cstr::SmallCString;
6
7// Doesn't use any modern features or vtab stuff, but is only used by them.
8mod sqlite_string;
9pub(crate) use sqlite_string::{alloc, SqliteMallocString};
10
11#[cfg(any(
12    feature = "collation",
13    feature = "functions",
14    feature = "vtab",
15    feature = "pointer"
16))]
17pub(crate) unsafe extern "C" fn free_boxed_value<T>(p: *mut std::ffi::c_void) {
18    drop(Box::from_raw(p.cast::<T>()));
19}
20
21use crate::Result;
22use std::ffi::CStr;
23
24pub enum Named<'a> {
25    Small(SmallCString),
26    C(&'a CStr),
27}
28impl std::ops::Deref for Named<'_> {
29    type Target = CStr;
30    #[inline]
31    fn deref(&self) -> &CStr {
32        match self {
33            Named::Small(s) => s.as_cstr(),
34            Named::C(s) => s,
35        }
36    }
37}
38
39/// Database, table, column, collation, function, module, vfs name
40pub trait Name: std::fmt::Debug {
41    /// As C string
42    fn as_cstr(&self) -> Result<Named<'_>>;
43}
44impl Name for &str {
45    fn as_cstr(&self) -> Result<Named<'_>> {
46        let ss = SmallCString::new(self)?;
47        Ok(Named::Small(ss))
48    }
49}
50impl Name for &CStr {
51    #[inline]
52    fn as_cstr(&self) -> Result<Named<'_>> {
53        Ok(Named::C(self))
54    }
55}
rusqlite/util/mod.rs

rusqlite/util/
mod.rs
