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Fix logic for detecting zero buffer capacity in fileReadStreamingWindows/fileReadPositionalWindows

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Ryan Liptak 2025-12-20 02:01:50 -08:00 • committed by Andrew Kelley
parent eb29737d5d
commit 58f0c8cfed
1 changed files with 4 additions and 4 deletions
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8
lib/std/Io/Threaded.zig
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@ -6780,8 +6780,8 @@ fn fileReadStreamingWindows(userdata: ?*anyopaque, file: File, data: []const []u
const DWORD = windows.DWORD;
var index: usize = 0;
while (data[index].len == 0) index += 1;
if (index == 0) return 0;
while (index < data.len and data[index].len == 0) index += 1;
if (index == data.len) return 0;
const buffer = data[index];
const want_read_count: DWORD = @min(std.math.maxInt(DWORD), buffer.len);
@ -6912,8 +6912,8 @@ fn fileReadPositionalWindows(userdata: ?*anyopaque, file: File, data: []const []
const DWORD = windows.DWORD;
var index: usize = 0;
while (data[index].len == 0) index += 1;
if (index == 0) return 0;
while (index < data.len and data[index].len == 0) index += 1;
if (index == data.len) return 0;
const buffer = data[index];
const want_read_count: DWORD = @min(std.math.maxInt(DWORD), buffer.len);