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Moves ZeroBlob from types to blob module.

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This commit is contained in:
gwenn 2016-02-01 18:13:07 +01:00
parent f488277373
commit 43613a0020
2 changed files with 16 additions and 16 deletions
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17
src/blob.rs
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@ -17,7 +17,7 @@
//! extern crate rusqlite;
//!
//! use rusqlite::{Connection, DatabaseName};
//! use rusqlite::types::ZeroBlob;
//! use rusqlite::blob::ZeroBlob;
//! use std::io::{Read, Write, Seek, SeekFrom};
//!
//! fn main() {
@ -52,8 +52,10 @@ use std::io;
use std::cmp::min;
use std::mem;
use std::ptr;
use libc::c_int;
use super::ffi;
use super::types::ToSql;
use {Result, Connection, DatabaseName};
/// Handle to an open BLOB.
@ -233,6 +235,19 @@ impl<'conn> Drop for Blob<'conn> {
}
}
/// BLOB of length N that is filled with zeroes.
/// Zeroblobs are intended to serve as placeholders for BLOBs whose content is later written using incremental BLOB I/O routines.
/// A negative value for the zeroblob results in a zero-length BLOB.
#[derive(Copy,Clone)]
pub struct ZeroBlob(pub i32);
impl ToSql for ZeroBlob {
unsafe fn bind_parameter(&self, stmt: *mut ffi::sqlite3_stmt, col: c_int) -> c_int {
let ZeroBlob(length) = *self;
ffi::sqlite3_bind_zeroblob(stmt, col, length)
}
}
#[cfg(test)]
mod test {
use std::io::{BufReader, BufRead, BufWriter, Read, Write, Seek, SeekFrom};

15
src/types.rs
View File

@ -194,21 +194,6 @@ impl ToSql for Null {
}
}
/// BLOB of length N that is filled with zeroes.
/// Zeroblobs are intended to serve as placeholders for BLOBs whose content is later written using incremental BLOB I/O routines.
/// A negative value for the zeroblob results in a zero-length BLOB.
#[cfg(feature = "blob")]
#[derive(Copy,Clone)]
pub struct ZeroBlob(pub i32);
#[cfg(feature = "blob")]
impl ToSql for ZeroBlob {
unsafe fn bind_parameter(&self, stmt: *mut sqlite3_stmt, col: c_int) -> c_int {
let ZeroBlob(length) = *self;
ffi::sqlite3_bind_zeroblob(stmt, col, length)
}
}
macro_rules! raw_from_impl(
($t:ty, $f:ident, $c:expr) => (
impl FromSql for $t {