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Break cstring->String conversion out into function

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This commit is contained in:
Steve Smith 2016-06-04 15:12:40 +01:00
parent 6179b89bcc
commit 04522760f1
1 changed files with 10 additions and 6 deletions
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16
src/ls/ls.rs
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@ -16,6 +16,9 @@ use pretty_bytes::converter::convert;
#[macro_use]
extern crate uucore;
extern crate libc;
use self::libc::c_char;
use getopts::Options;
use std::fs;
use std::fs::{ReadDir, DirEntry, FileType, Metadata};
@ -23,7 +26,7 @@ use std::ffi::{OsString,CStr};
use std::path::Path;
use std::io::Write;
use std::ptr;
use uucore::c_types::getpwuid;
use uucore::c_types::{getpwuid, getgrgid};
#[derive(Copy, Clone, PartialEq)]
@ -157,15 +160,16 @@ fn display_dir_entry(entry: DirEntry, options: &getopts::Matches) {
);
}
fn cstr2string(cstr: *const c_char) -> String {
unsafe { String::from_utf8_lossy(CStr::from_ptr(cstr).to_bytes()).to_string() }
}
fn display_uname(metadata: &Metadata) -> String {
use std::os::unix::fs::MetadataExt;
let pw = unsafe { getpwuid(metadata.uid()) };
if !pw.is_null() {
let pw_name = unsafe {
String::from_utf8_lossy(CStr::from_ptr(ptr::read(pw).pw_name).to_bytes()).to_string()
};
pw_name
cstr2string(unsafe { ptr::read(pw).pw_name })
} else {
metadata.uid().to_string()
}
@ -173,7 +177,7 @@ fn display_uname(metadata: &Metadata) -> String {
fn display_group(metadata: &Metadata) -> String {
use std::os::unix::fs::MetadataExt;
metadata.gid().to_string()
metadata.uid().to_string()
}
fn display_file_size(metadata: &Metadata, options: &getopts::Matches) -> String {