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qcow: use std::mem::size_of_val()
Rather than manually calculate the size of the slice in bytes. This fixes a beta clippy issue. Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
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@ -66,7 +66,7 @@ impl QcowRawFile {
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non_zero_flags: u64,
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non_zero_flags: u64,
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) -> io::Result<()> {
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) -> io::Result<()> {
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self.file.seek(SeekFrom::Start(offset))?;
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self.file.seek(SeekFrom::Start(offset))?;
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let mut buffer = BufWriter::with_capacity(table.len() * size_of::<u64>(), &mut self.file);
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let mut buffer = BufWriter::with_capacity(std::mem::size_of_val(table), &mut self.file);
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for addr in table {
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for addr in table {
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let val = if *addr == 0 {
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let val = if *addr == 0 {
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0
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0
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@ -91,7 +91,8 @@ impl QcowRawFile {
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/// Writes a refcount block to the file.
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/// Writes a refcount block to the file.
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pub fn write_refcount_block(&mut self, offset: u64, table: &[u16]) -> io::Result<()> {
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pub fn write_refcount_block(&mut self, offset: u64, table: &[u16]) -> io::Result<()> {
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self.file.seek(SeekFrom::Start(offset))?;
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self.file.seek(SeekFrom::Start(offset))?;
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let mut buffer = BufWriter::with_capacity(table.len() * size_of::<u16>(), &mut self.file);
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let mut buffer = BufWriter::with_capacity(std::mem::size_of_val(table), &mut self.file);
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for count in table {
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for count in table {
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buffer.write_u16::<BigEndian>(*count)?;
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buffer.write_u16::<BigEndian>(*count)?;
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}
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}
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