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Do work on curl/mbedtls/zstd

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This change fixes stderr to be unbuffered. Added hardware AES on ARM64
to help safeguard against timing attacks. The curl.com command will be
somewhat more pleasant to use.
This commit is contained in:
Justine Tunney 2023-07-07 10:00:49 -07:00
parent a186143f62
commit 0d3c1c8b1a
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GPG key ID: BE714B4575D6E328
37 changed files with 1565 additions and 290 deletions
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37
libc/intrin/strerror.c Normal file
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/*-*- mode:c; indent-tabs-mode:nil; tab-width:2; coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/str/str.h"
/**
* Converts errno value to string non-reentrantly.
* @see strerror_r()
*/
char *strerror(int err) {
if (IsTiny()) {
return firstnonnull(_strerrno(err), "EUNKNOWN");
} else {
_Alignas(1) static char buf[512];
strerror_r(err, buf, sizeof(buf));
return buf;
}
}