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fix duration formatting

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This commit is contained in:
Andrew Kelley 2025-02-17 20:55:38 -08:00
parent 051c7af49a
commit 09af68de80
1 changed files with 6 additions and 3 deletions
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9
lib/std/io/BufferedWriter.zig
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@ -888,6 +888,7 @@ pub fn printInt(
'X' => return printIntOptions(bw, int_value, 16, .upper, options),
'o' => return printIntOptions(bw, int_value, 8, .lower, options),
'B' => return printByteSize(bw, int_value, .decimal, options),
'D' => return printDuration(bw, int_value, options),
else => invalidFmtError(fmt, value),
},
2 => {
@ -1248,7 +1249,9 @@ pub fn printDurationUnsigned(bw: *BufferedWriter, ns: u64) anyerror!void {
if (frac > 0) {
// Write up to 3 decimal places
var decimal_buf = [_]u8{ '.', 0, 0, 0 };
assert(printInt(decimal_buf[1..], frac, 10, .lower, .{ .fill = '0', .width = 3 }) == 3);
var inner: BufferedWriter = undefined;
inner.initFixed(decimal_buf[1..]);
inner.printIntOptions(frac, 10, .lower, .{ .fill = '0', .width = 3 }) catch unreachable;
var end: usize = 4;
while (end > 1) : (end -= 1) {
if (decimal_buf[end - 1] != '0') break;
@ -1272,8 +1275,8 @@ pub fn printDuration(bw: *BufferedWriter, nanoseconds: anytype, options: std.fmt
var sub_bw: BufferedWriter = undefined;
sub_bw.initFixed(&buf);
switch (@typeInfo(@TypeOf(nanoseconds)).int.signedness) {
.signed => sub_bw.printDurationSigned(nanoseconds, options) catch unreachable,
.unsigned => sub_bw.printDurationUnsigned(nanoseconds, options) catch unreachable,
.signed => sub_bw.printDurationSigned(nanoseconds) catch unreachable,
.unsigned => sub_bw.printDurationUnsigned(nanoseconds) catch unreachable,
}
return alignBufferOptions(bw, sub_bw.getWritten(), options);
}