Rollup merge of #106664 - chenyukang:yukang/fix-106597-remove-lseek, r=cuviper
Remove unnecessary lseek syscall when using std::fs::read Fixes #106597 r? ```@bjorn3```
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commit
9a820f7397
1 changed files with 6 additions and 4 deletions
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@ -249,8 +249,9 @@ pub struct DirBuilder {
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pub fn read<P: AsRef<Path>>(path: P) -> io::Result<Vec<u8>> {
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fn inner(path: &Path) -> io::Result<Vec<u8>> {
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let mut file = File::open(path)?;
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let mut bytes = Vec::new();
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file.read_to_end(&mut bytes)?;
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let size = file.metadata().map(|m| m.len()).unwrap_or(0);
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let mut bytes = Vec::with_capacity(size as usize);
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io::default_read_to_end(&mut file, &mut bytes)?;
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Ok(bytes)
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}
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inner(path.as_ref())
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@ -288,8 +289,9 @@ pub fn read<P: AsRef<Path>>(path: P) -> io::Result<Vec<u8>> {
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pub fn read_to_string<P: AsRef<Path>>(path: P) -> io::Result<String> {
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fn inner(path: &Path) -> io::Result<String> {
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let mut file = File::open(path)?;
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let mut string = String::new();
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file.read_to_string(&mut string)?;
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let size = file.metadata().map(|m| m.len()).unwrap_or(0);
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let mut string = String::with_capacity(size as usize);
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io::default_read_to_string(&mut file, &mut string)?;
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Ok(string)
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}
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inner(path.as_ref())
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