Jorijn van der Graaf
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Canonical LGPL-3.0-only text, GPL-3.0 companion, SPDX headers on all first-party sources, MIT for examples/. Vendored lib/ untouched. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
33 lines
1.2 KiB
C++
33 lines
1.2 KiB
C++
//SPDX-License-Identifier: LGPL-3.0-only
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//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
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#include <cstdio>
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#if defined(_WIN32)
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#include <io.h>
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#ifndef STDOUT_FILENO
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#define STDOUT_FILENO _fileno(stdout)
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#endif
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#define CRAFTER_MAIN_ISATTY _isatty
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#else
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#include <unistd.h>
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#define CRAFTER_MAIN_ISATTY isatty
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#endif
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import std;
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import Crafter.Build;
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int main(int argc, char** argv) {
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// Line-buffer stdout when it is not a terminal. Must run before any stdout
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// write. When stdout is a regular file or pipe the C runtime defaults to
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// full (block) buffering, so the append-only progress lines ("[N/M]") and
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// the trailing "Built … steps" / "listening on port …" lines would sit in
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// the buffer and never reach a redirected log — fatal for tooling that
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// polls the log for a readiness marker, and worst under -r where the
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// process blocks in its serve loop and never returns to flush. A TTY is
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// already line-buffered and its in-place redraw path flushes explicitly, so
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// only adjust when redirected.
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if (CRAFTER_MAIN_ISATTY(STDOUT_FILENO) == 0) {
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std::setvbuf(stdout, nullptr, _IOLBF, 0);
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}
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return Crafter::Run(argc, argv);
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}
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