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https://github.com/jart/cosmopolitan.git
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7e0a09feec
This change ports APE Loader to Linux AARCH64, so that Raspberry Pi users can run programs like redbean, without the executable needing to modify itself. Progress has also slipped into this change on the issue of making progress better conforming to user expectations and industry standards regarding which symbols we're allowed to declare
61 lines
3.2 KiB
C
61 lines
3.2 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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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dce.h"
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#include "libc/log/internal.h"
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#include "libc/nt/version.h"
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#include "libc/runtime/runtime.h"
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#define IsDumb(s) \
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(s[0] == 'd' && s[1] == 'u' && s[2] == 'm' && s[3] == 'b' && !s[4])
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/**
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* Indicates if ANSI terminal colors are inappropriate.
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*
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* Normally this variable should be false. We only set it to true if
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* we're running on an old version of Windows or the environment
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* variable `TERM` is set to `dumb`.
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*
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* We think colors should be the norm, since most software is usually
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* too conservative about removing them. Rather than using `isatty`
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* consider using sed for instances where color must be removed:
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*
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* sed 's/\x1b\[[;[:digit:]]*m//g' <color.txt >uncolor.txt
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*
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* For some reason, important software is configured by default in many
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* operating systems, to not only disable colors, but utf-8 too! Here's
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* an example of how a wrapper script can fix that for `less`.
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*
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* #!/bin/sh
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* LESSCHARSET=UTF-8 exec /usr/bin/less -RS "$@"
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*
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* Thank you for using colors!
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*/
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bool __nocolor;
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optimizesize textstartup dontasan void __nocolor_init(int argc, char **argv,
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char **envp,
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intptr_t *auxv) {
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char *s;
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__nocolor = (IsWindows() && !IsAtLeastWindows10()) ||
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((s = getenv("TERM")) && IsDumb(s));
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}
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const void *const __nocolor_ctor[] initarray = {
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__nocolor_init,
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};
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