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std.heap.GeneralPurposeAllocator: use for loops in leak check

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This commit is contained in:
Andrew Kelley 2025-02-05 13:21:15 -08:00
parent b14a350430
commit c8e807c44e
1 changed files with 3 additions and 6 deletions
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9
lib/std/heap/general_purpose_allocator.zig
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@ -412,12 +412,11 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {
const size_class = @as(usize, 1) << @as(Log2USize, @intCast(size_class_index));
const slot_count = slot_counts[size_class_index];
var leaks = false;
var used_bits_byte: usize = 0;
while (used_bits_byte < used_bits_count) : (used_bits_byte += 1) {
for (0..used_bits_count) |used_bits_byte| {
const used_byte = bucket.usedBits(used_bits_byte).*;
if (used_byte != 0) {
var bit_index: u3 = 0;
while (true) : (bit_index += 1) {
for (0..8) |bit_index_usize| {
const bit_index: u3 = @intCast(bit_index_usize);
const is_used = @as(u1, @truncate(used_byte >> bit_index)) != 0;
if (is_used) {
const slot_index: SlotIndex = @intCast(used_bits_byte * 8 + bit_index);
@ -427,8 +426,6 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {
log.err("memory address 0x{x} leaked: {}", .{ addr, stack_trace });
leaks = true;
}
if (bit_index == math.maxInt(u3))
break;
}
}
}