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45 lines
2.5 KiB
C
45 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=8 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/calls/struct/stat.h"
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#include "libc/stdio/internal.h"
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#include "libc/sysv/consts/fileno.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/s.h"
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#include "libc/thread/thread.h"
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static FILE __stdin = {
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.fd = STDIN_FILENO,
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.iomode = O_RDONLY,
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.bufmode = _IOFBF,
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.buf = __stdin.mem,
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.size = sizeof(stdin->mem),
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.lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP,
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};
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/**
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* Pointer to standard input stream.
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*/
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FILE *stdin = &__stdin;
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__attribute__((__constructor__(60))) static textstartup void initin(void) {
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struct stat st;
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if (fstat(STDIN_FILENO, &st) || !S_ISREG(st.st_mode))
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stdin->bufmode = _IONBF;
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__fflush_register(stdin);
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}
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