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https://github.com/fish-shell/fish-shell
synced 2024-12-27 05:13:10 +00:00
Remove additional dead code
This commit is contained in:
Peter Ammon
parent
1ed256d328
commit
6b4dbf3b05
3 changed files with 1 additions and 235 deletions
158
src/common.rs
158
src/common.rs
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@ -1084,10 +1084,6 @@ pub fn has_working_tty_timestamps() -> bool {
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/// empty string.
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pub static EMPTY_STRING: WString = WString::new();
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/// A global, empty string list. This is useful for functions which wish to return a reference
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/// to an empty string.
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pub static EMPTY_STRING_LIST: Vec<WString> = vec![];
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/// A function type to check for cancellation.
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/// Return true if execution should cancel.
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/// todo!("Maybe remove the box? It is only needed for get_bg_context.")
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@ -1279,154 +1275,6 @@ pub fn should_suppress_stderr_for_tests() -> bool {
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.unwrap_or_default()
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}
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/// Format the specified size (in bytes, kilobytes, etc.) into the specified stringbuffer.
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pub fn format_size(mut sz: i64) -> WString {
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let mut result = WString::new();
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const sz_names: [&str; 8] = ["kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
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if sz < 0 {
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result += "unknown";
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} else if sz == 0 {
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result += wgettext!("empty");
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} else if sz < 1024 {
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result += &sprintf!("%lldB", sz)[..];
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} else {
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for (i, sz_name) in sz_names.iter().enumerate() {
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if sz < (1024 * 1024) || i == sz_names.len() - 1 {
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let isz = sz / 1024;
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if isz > 9 {
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result += &sprintf!("%lld%ls", isz, *sz_name)[..];
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} else {
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result += &sprintf!("%.1f%ls", sz as f64 / 1024.0, *sz_name)[..];
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}
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break;
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}
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sz /= 1024;
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}
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}
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result
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}
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/// Version of format_size that does not allocate memory.
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pub fn format_size_safe(buff: &mut [u8; 128], mut sz: u64) {
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let buff_size = 128;
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let max_len = buff_size - 1; // need to leave room for a null terminator
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buff.fill(0);
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let mut idx = 0;
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const sz_names: [&str; 8] = ["kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
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if sz == 0 {
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let empty = "empty".as_bytes();
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buff[..empty.len()].copy_from_slice(empty);
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} else if sz < 1024 {
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append_ull(buff, &mut sz, &mut idx, max_len);
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append_str(buff, "B", &mut idx, max_len);
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} else {
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for (i, sz_name) in sz_names.iter().enumerate() {
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if sz < (1024 * 1024) || i == sz_names.len() - 1 {
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let mut isz = sz / 1024;
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append_ull(buff, &mut isz, &mut idx, max_len);
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if isz <= 9 {
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// Maybe append a single fraction digit.
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let mut remainder = sz % 1024;
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if remainder > 0 {
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let tmp = [b'.', extract_most_significant_digit(&mut remainder)];
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let tmp = std::str::from_utf8(&tmp).unwrap();
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append_str(buff, tmp, &mut idx, max_len);
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}
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}
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append_str(buff, sz_name, &mut idx, max_len);
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break;
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}
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sz /= 1024;
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}
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}
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}
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/// Writes out a long safely.
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pub fn format_llong_safe<CharT: From<u8>, I64>(buff: &mut [CharT; 64], val: I64)
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where
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i64: From<I64>,
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{
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let val = i64::from(val);
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let uval = val.unsigned_abs();
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if val >= 0 {
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format_safe_impl(buff, 64, uval);
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} else {
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buff[0] = CharT::from(b'-');
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format_safe_impl(&mut buff[1..], 63, uval);
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}
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}
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pub fn format_ullong_safe<CharT: From<u8>>(buff: &mut [CharT; 64], val: u64) {
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format_safe_impl(buff, 64, val);
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}
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fn format_safe_impl<CharT: From<u8>>(buff: &mut [CharT], size: usize, mut val: u64) {
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let mut idx = 0;
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if val == 0 {
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buff[idx] = CharT::from(b'0');
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idx += 1;
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} else {
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// Generate the string backwards, then reverse it.
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while val != 0 {
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buff[idx] = CharT::from((val % 10) as u8 + b'0');
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idx += 1;
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val /= 10;
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}
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buff[..idx].reverse();
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}
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buff[idx] = CharT::from(b'\0');
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idx += 1;
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assert!(idx <= size, "Buffer overflowed");
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}
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fn append_ull(buff: &mut [u8], val: &mut u64, inout_idx: &mut usize, max_len: usize) {
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let mut idx = *inout_idx;
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while *val > 0 && idx < max_len {
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buff[idx] = extract_most_significant_digit(val);
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idx += 1;
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}
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*inout_idx = idx;
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}
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fn append_str(buff: &mut [u8], s: &str, inout_idx: &mut usize, max_len: usize) {
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let mut idx = *inout_idx;
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let mut bytes = s.as_bytes();
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while !bytes.is_empty() && idx < max_len {
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buff[idx] = bytes[0];
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idx += 1;
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bytes = &bytes[1..];
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}
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*inout_idx = idx;
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}
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/// Crappy function to extract the most significant digit of an unsigned long long value.
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fn extract_most_significant_digit(xp: &mut u64) -> u8 {
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let mut place_value = 1;
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let mut x = *xp;
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while x >= 10 {
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x /= 10;
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place_value *= 10;
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}
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*xp -= place_value * x;
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x as u8 + b'0'
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}
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/// "Narrows" a wide character string. This just grabs any ASCII characters and truncates.
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pub fn narrow_string_safe(buff: &mut [u8; 64], s: &wstr) {
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let mut idx = 0;
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for c in s.chars() {
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if c as u32 <= 127 {
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buff[idx] = c as u8;
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idx += 1;
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if idx + 1 == 64 {
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break;
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}
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}
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}
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buff[idx] = b'\0';
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}
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/// Stored in blocks to reference the file which created the block.
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pub type FilenameRef = Arc<WString>;
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@ -2158,12 +2006,6 @@ macro_rules! fwprintf {
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};
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}
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#[allow(unused_macros)]
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#[deprecated = "use printf!"]
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pub fn fputws(_s: &wstr, _fd: RawFd) {
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panic!()
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}
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// test-only
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#[allow(unused_macros)]
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#[deprecated = "use printf!"]
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@ -2261,23 +2261,6 @@ fn expand_command_token(ctx: &OperationContext<'_>, cmd_tok: &mut WString) -> bo
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)
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}
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/// Create a new completion entry.
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///
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/// \param completions The array of completions to append to
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/// \param comp The completion string
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/// \param desc The description of the completion
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/// \param flags completion flags
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#[deprecated = "Use Vec::push()"]
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pub fn append_completion(
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completions: &mut Vec<Completion>,
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comp: WString,
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desc: WString,
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flags: CompleteFlags,
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r#match: StringFuzzyMatch,
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) {
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completions.push(Completion::new(comp, desc, r#match, flags))
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}
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/// Add an unexpanded completion "rule" to generate completions from for a command.
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///
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/// # Examples
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@ -1,7 +1,4 @@
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use crate::common::{
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cstr2wcstring, format_llong_safe, format_size_safe, scoped_push, truncate_at_nul, ScopeGuard,
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ScopeGuarding,
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};
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use crate::common::{scoped_push, truncate_at_nul, ScopeGuard, ScopeGuarding};
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use crate::wchar::prelude::*;
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#[test]
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@ -71,62 +68,6 @@ fn test_scope_guard_consume() {
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assert_eq!(obj.value, "nu");
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}
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#[test]
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fn test_format() {
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// Testing formatting functions
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struct Test {
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val: u64,
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expected: &'static str,
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}
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let tests = [
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Test {
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val: 0,
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expected: "empty",
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},
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Test {
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val: 1,
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expected: "1B",
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},
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Test {
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val: 2,
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expected: "2B",
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},
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Test {
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val: 1024,
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expected: "1kB",
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},
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Test {
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val: 1870,
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expected: "1.8kB",
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},
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Test {
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val: 4322911,
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expected: "4.1MB",
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},
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];
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for test in tests {
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let mut buff = [0_u8; 128];
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format_size_safe(&mut buff, test.val);
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assert_eq!(cstr2wcstring(&buff), WString::from_str(test.expected));
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}
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for j in -129..=129 {
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let mut buff1 = [0_u8; 64];
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let mut buff2 = [0_u8; 64];
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format_llong_safe(&mut buff1, j);
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unsafe { libc::snprintf(buff2.as_mut_ptr().cast(), 64, "%d\0".as_ptr().cast(), j) };
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assert_eq!(cstr2wcstring(&buff1), cstr2wcstring(&buff2));
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}
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let q = i64::MIN;
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let mut buff1 = [0_u8; 64];
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let mut buff2 = [0_u8; 64];
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format_llong_safe(&mut buff1, q);
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unsafe { libc::snprintf(buff2.as_mut_ptr().cast(), 64, "%lld\0".as_ptr().cast(), q) };
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assert_eq!(cstr2wcstring(&buff1), cstr2wcstring(&buff2));
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}
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#[test]
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fn test_truncate_at_nul() {
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assert_eq!(truncate_at_nul(L!("abc\0def")), L!("abc"));
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