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std.Build: improve error for peak RSS exceeding declared value

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As well as the exact byte count, include a human-readable value so it's
clearer what the error is actually telling you. The exact byte count
might not be worth keeping, but I decided I would in case it's useful in
any scenario.
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mlugg 2025-08-15 10:29:27 +01:00 • committed by Matthew Lugg
parent f758b97bfd
commit d835a6ba9a
1 changed files with 1 additions and 1 deletions
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lib/std/Build/Step.zig
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@ -271,7 +271,7 @@ pub fn make(s: *Step, options: MakeOptions) error{ MakeFailed, MakeSkipped }!voi
}
if (s.max_rss != 0 and s.result_peak_rss > s.max_rss) {
const msg = std.fmt.allocPrint(arena, "memory usage peaked at {d} bytes, exceeding the declared upper bound of {d}", .{
const msg = std.fmt.allocPrint(arena, "memory usage peaked at {0B:.2} ({0d} bytes), exceeding the declared upper bound of {1B:.2} ({1d} bytes)", .{
s.result_peak_rss, s.max_rss,
}) catch @panic("OOM");
s.result_error_msgs.append(arena, msg) catch @panic("OOM");