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Make important improvements

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- Fix preadv() and pwritev() for old distros
- Introduce _npassert() and _unassert() macros
- Prove that file locks work properly on Windows
- Support fcntl(F_DUPFD_CLOEXEC) on more systems
This commit is contained in:
Justine Tunney 2022-09-14 21:29:50 -07:00
parent 1ad2f530f9
commit 3f49889841
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GPG key ID: BE714B4575D6E328
130 changed files with 1225 additions and 431 deletions
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49
libc/intrin/describentoverlapped.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 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/intrin/describentoverlapped.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/macros.internal.h"
const char *(DescribeNtOverlapped)(char b[128], struct NtOverlapped *o) {
int i = 0, n = 128;
bool gotsome = false;
if (!o) return "NULL";
i += ksnprintf(b + i, MAX(0, n - i), "{");
if (o->hEvent) {
if (gotsome) {
i += ksnprintf(b + i, MAX(0, n - i), ", ");
} else {
gotsome = true;
}
i += ksnprintf(b + i, MAX(0, n - i), ".hEvent = %ld", o->hEvent);
}
if (o->Pointer) {
if (gotsome) {
i += ksnprintf(b + i, MAX(0, n - i), ", ");
} else {
gotsome = true;
}
i += ksnprintf(b + i, MAX(0, n - i), ".Pointer = (void *)%p", o->Pointer);
}
i += ksnprintf(b + i, MAX(0, n - i), "}");
return b;
}