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93f7d7d927
When enabled if a regular file is opened which has a link count > 1 it will copy the file to a temporary file and rename over the original. Effectively breaking the link. This behavior is similar to cow-shell and other LD_PRELOAD based "CoW" solutions.
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
/*
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ISC License
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Copyright (c) 2018, Antonio SJ Musumeci <trapexit@spawn.link>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include <sys/stat.h>
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#include <sys/types.h>
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namespace fs
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{
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namespace cow
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{
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bool is_eligible(const int flags_, const struct stat &st_);
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bool is_eligible(const char *fullpath_, const int flags_);
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int break_link(const char *fullpath_);
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}
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}
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