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d4da4680f6
* Optimize `CratesToml::load_from_reader`: Avoid dup monomorphization * Optimize `CratesToml::write_to_writer`: Avoid dup monomophization * Optimize `create_if_not_exist`: Take `&path` to avoid dup monomorphization * Fix `CratesToml::write_to_path`: Use exclusive file lock to prevent race conditions. Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
13 lines
347 B
Rust
13 lines
347 B
Rust
use std::{fs, io, path::Path};
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/// Returned file is readable and writable.
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pub(crate) fn create_if_not_exist(path: &Path) -> io::Result<fs::File> {
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let mut options = fs::File::options();
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options.read(true).write(true);
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options
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.clone()
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.create_new(true)
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.open(path)
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.or_else(|_| options.open(path))
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}
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