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https://github.com/jart/cosmopolitan.git
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420f889ac3
The sincosf() function is now twice as fast, thanks to ARM Limited. The same might also be true of logf() and expm1f() which have been updated.
41 lines
2.5 KiB
C
41 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 net 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/intrin/describeflags.internal.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/lock.internal.h"
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#include "libc/stdio/stdio.h"
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/**
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* Reads data from stream.
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*
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* @param stride specifies the size of individual items
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* @param count is the number of strides to fetch
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* @return count on success, [0,count) on eof, or 0 on error or count==0
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* @threadsafe
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*/
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size_t fread(void *buf, size_t stride, size_t count, FILE *f) {
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size_t rc;
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flockfile(f);
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rc = fread_unlocked(buf, stride, count, f);
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STDIOTRACE("fread(%p, %'zu, %'zu, %p) → %'zu %s", buf, stride, count, f, rc,
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DescribeStdioState(f->state));
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funlockfile(f);
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return rc;
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}
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