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https://github.com/jart/cosmopolitan.git
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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
63 lines
3 KiB
C
63 lines
3 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=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/calls.h"
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#include "libc/calls/cp.internal.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/struct/fd.internal.h"
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#include "libc/calls/struct/statfs-meta.internal.h"
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#include "libc/calls/struct/statfs.internal.h"
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#include "libc/dce.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/runtime/stack.h"
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#include "libc/sysv/errfuns.h"
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/**
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* Returns information about filesystem.
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*
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* @return 0 on success, or -1 w/ errno
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* @raise ENOTSUP if /zip path
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* @cancelationpoint
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*/
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int fstatfs(int fd, struct statfs *sf) {
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#pragma GCC push_options
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#pragma GCC diagnostic ignored "-Wframe-larger-than="
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union statfs_meta m;
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CheckLargeStackAllocation(&m, sizeof(m));
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#pragma GCC pop_options
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int rc;
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BEGIN_CANCELATION_POINT;
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if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
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rc = enotsup();
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} else if (!IsWindows()) {
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if ((rc = sys_fstatfs(fd, &m)) != -1) {
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statfs2cosmo(sf, &m);
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}
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} else if (__isfdopen(fd)) {
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rc = sys_fstatfs_nt(g_fds.p[fd].handle, sf);
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} else {
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rc = ebadf();
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}
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END_CANCELATION_POINT;
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STRACE("fstatfs(%d, [%s]) → %d% m", fd, DescribeStatfs(rc, sf));
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return rc;
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}
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__weak_reference(fstatfs, fstatfs64);
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