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Rustfmt

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This commit is contained in:
Gwenael Treguier 2015-12-13 11:05:11 +01:00
parent 6f0f121d61
commit 888dce0d8f
1 changed files with 45 additions and 15 deletions
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48
src/blob.rs
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@ -26,15 +26,37 @@ impl Connection {
///
/// Will return `Err` if `db`/`table`/`column` cannot be converted to a C-compatible string or if the
/// underlying SQLite BLOB open call fails.
pub fn blob_open<'a>(&'a self, db: &str, table: &str, column: &str, row: i64, read_only: bool) -> Result<Blob<'a>> {
pub fn blob_open<'a>(&'a self,
db: &str,
table: &str,
column: &str,
row: i64,
read_only: bool)
-> Result<Blob<'a>> {
let mut c = self.db.borrow_mut();
let mut blob = ptr::null_mut();
let db = try!(super::str_to_cstring(db));
let table = try!(super::str_to_cstring(table));
let column = try!(super::str_to_cstring(column));
let rc = unsafe{ ffi::sqlite3_blob_open(c.db(), db.as_ptr(), table.as_ptr(), column.as_ptr(), row, if read_only { 0 } else { 1 }, &mut blob) };
let rc = unsafe {
ffi::sqlite3_blob_open(c.db(),
db.as_ptr(),
table.as_ptr(),
column.as_ptr(),
row,
if read_only {
0
} else {
1
},
&mut blob)
};
c.decode_result(rc).map(|_| {
Blob{ conn: self, blob: blob, pos: 0 }
Blob {
conn: self,
blob: blob,
pos: 0,
}
})
}
}
@ -68,7 +90,7 @@ impl<'conn> Blob<'conn> {
if buf.len() > ::std::i32::MAX as usize {
return Err(Error {
code: ffi::SQLITE_TOOBIG,
message: "buffer too long".to_string()
message: "buffer too long".to_string(),
});
}
let mut n = buf.len() as i32;
@ -79,7 +101,9 @@ impl<'conn> Blob<'conn> {
if n <= 0 {
return Ok(0);
}
let rc = unsafe { ffi::sqlite3_blob_read(self.blob, mem::transmute(buf.as_ptr()), n, self.pos) };
let rc = unsafe {
ffi::sqlite3_blob_read(self.blob, mem::transmute(buf.as_ptr()), n, self.pos)
};
self.conn.decode_result(rc).map(|_| {
self.pos += n;
n
@ -98,18 +122,23 @@ impl<'conn> Blob<'conn> {
if buf.len() > ::std::i32::MAX as usize {
return Err(Error {
code: ffi::SQLITE_TOOBIG,
message: "buffer too long".to_string()
message: "buffer too long".to_string(),
});
}
let n = buf.len() as i32;
let size = self.size();
if self.pos + n > size {
return Err(Error{code: ffi::SQLITE_MISUSE, message: format!("pos = {} + n = {} > size = {}", self.pos, n, size)});
return Err(Error {
code: ffi::SQLITE_MISUSE,
message: format!("pos = {} + n = {} > size = {}", self.pos, n, size),
});
}
if n <= 0 {
return Ok(0);
}
let rc = unsafe { ffi::sqlite3_blob_write(self.blob, mem::transmute(buf.as_ptr()), n, self.pos) };
let rc = unsafe {
ffi::sqlite3_blob_write(self.blob, mem::transmute(buf.as_ptr()), n, self.pos)
};
self.conn.decode_result(rc).map(|_| {
self.pos += n;
n
@ -121,7 +150,7 @@ impl<'conn> Blob<'conn> {
self.pos = match pos {
SeekFrom::Start(offset) => offset,
SeekFrom::Current(offset) => self.pos + offset,
SeekFrom::End(offset) => self.size() + offset
SeekFrom::End(offset) => self.size() + offset,
};
}
@ -153,6 +182,7 @@ mod test {
use Connection;
#[test]
#[cfg_attr(rustfmt, rustfmt_skip)]
fn test_blob() {
let db = Connection::open_in_memory().unwrap();
let sql = "BEGIN;