80 lines
3.4 KiB
C
80 lines
3.4 KiB
C
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/*-*- 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/bits/bits.h"
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#include "libc/bits/safemacros.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/fmt/fmt.h"
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#include "libc/log/check.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/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/auxv.h"
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/**
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* Handles failure of CHECK_xx() macros.
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*/
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relegated void __check_fail(const char *suffix, const char *opstr,
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uint64_t want, const char *wantstr, uint64_t got,
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const char *gotstr, const char *file, int line,
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const char *fmt, ...) {
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size_t i;
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va_list va;
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char sufbuf[8];
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int lasterr = errno;
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startfatal(file, line);
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if (!memccpy(sufbuf, suffix, '\0', sizeof(sufbuf))) strcpy(sufbuf, "?");
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strtoupper(sufbuf);
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fprintf(stderr,
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"check failed\n"
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"\tCHECK_%s(%s, %s);\n"
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"\t\t → %#lx (%s)\n"
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"\t\t%s %#lx (%s)\n",
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sufbuf, wantstr, gotstr, got, gotstr, opstr, want, wantstr);
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if (!isempty(fmt)) {
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fputc('\t', stderr);
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va_start(va, fmt);
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vfprintf(stderr, fmt, va);
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va_end(va);
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fputc('\n', stderr);
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}
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fprintf(stderr, "\t%s\n\t%s%s%s%s\n", strerror(lasterr), SUBTLE,
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getauxval(AT_EXECFN), g_argc > 1 ? " \\" : "", RESET);
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for (i = 1; i < g_argc; ++i) {
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fprintf(stderr, "\t\t%s%s\n", g_argv[i], i < g_argc - 1 ? " \\" : "");
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}
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if (!IsTiny() && lasterr == ENOMEM) {
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fprintf(stderr, "\n");
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showmappings(stderr);
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}
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fflush(stderr);
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die();
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unreachable;
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}
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