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https://github.com/jart/cosmopolitan.git
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2db2f40a98
This change gets GNU grep working. What caused it to not work, is it wouldn't write to an output file descriptor when its dev/ino equaled /dev/null's. So now we invent special dev/ino values for these files
61 lines
2.9 KiB
C
61 lines
2.9 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 2022 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/calls/internal.h"
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#include "libc/calls/state.internal.h"
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#include "libc/calls/struct/fd.internal.h"
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#include "libc/intrin/describeflags.internal.h"
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#include "libc/intrin/kprintf.h"
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static const char *__fdkind2str(int x) {
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switch (x) {
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case kFdEmpty:
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return "kFdEmpty";
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case kFdFile:
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return "kFdFile";
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case kFdSocket:
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return "kFdSocket";
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case kFdConsole:
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return "kFdConsole";
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case kFdDevNull:
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return "kFdDevNull";
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case kFdSerial:
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return "kFdSerial";
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case kFdZip:
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return "kFdZip";
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case kFdEpoll:
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return "kFdEpoll";
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default:
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return "kFdWut";
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}
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}
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void __printfds(struct Fd *fds, size_t fdslen) {
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int i;
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char buf[128];
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for (i = 0; i < fdslen; ++i) {
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if (!fds[i].kind) continue;
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kprintf("%3d %s", i, __fdkind2str(fds[i].kind));
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if (fds[i].flags) {
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kprintf(" flags=%s", (DescribeOpenFlags)(buf, fds[i].flags));
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}
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if (fds[i].mode) kprintf(" mode=%#o", fds[i].mode);
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if (fds[i].handle) kprintf(" handle=%ld", fds[i].handle);
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kprintf("\n");
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}
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}
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