deezconfigs 0.17.0

Manage deez config files.
Documentation 
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// deezconfigs — Manage deez config files.
// Copyright (C) 2025  Quentin Richert
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

use std::fs::File;
use std::io::{self, Read};
use std::path::Path;

/// Read to pre-allocated `String` buffer.
///
/// Same as [`std::fs::read_to_string()`], but doesn't allocate if it
/// doesn't need to increase the buffer size (and bypasses the metadata
/// check for size-hint, since the buffer is supposed to be big enough).
///
/// # Errors
///
/// Errors if file cannot be read.
pub fn read_to_string_buffer(buffer: &mut String, path: &Path) -> io::Result<usize> {
    let mut file = File::open(path)?;
    buffer.clear();
    file.read_to_string(buffer)
}

/// Read to pre-allocated `Vec<u8>` buffer.
///
/// Same as [`std::fs::read()`], but doesn't allocate if it doesn't need
/// to increase the buffer size (and bypasses the metadata check for
/// size-hint, since the buffer is supposed to be big enough).
///
/// # Errors
///
/// Errors if file cannot be read.
pub fn read_to_bytes_buffer(buffer: &mut Vec<u8>, path: &Path) -> io::Result<usize> {
    let mut file = File::open(path)?;
    buffer.clear();
    file.read(buffer)
}