43 lines
2.6 KiB
C
43 lines
2.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/errno.h"
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#include "libc/fmt/fmt.h"
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#include "libc/log/internal.h"
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#include "libc/log/log.h"
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#include "libc/stdio/stdio.h"
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/**
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* Handles failure of CHECK_xx() macros in -DNDEBUG mode.
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*
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* This handler (1) makes binaries smaller by not embedding source code;
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* and therefore (2) less likely to leak sensitive information. This can
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* still print backtraces with function names if the .com.dbg file is in
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* the same folder.
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*
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* @see libc/log/thunks/__check_fail_ndebug.S
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*/
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relegated void ___check_fail_ndebug(uint64_t want, uint64_t got,
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const char *opchar) {
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int lasterr = errno;
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startfatal_ndebug();
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fprintf(stderr, "%s: %#lx %s %#lx (%s)\n", "check failed", want, opchar, got,
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strerror(lasterr));
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}
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