mirror of https://github.com/trapexit/mergerfs.git
74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
/*
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ISC License
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Copyright (c) 2019, 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 "fs_fstat.hpp"
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#include <sys/stat.h>
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#define MODE_BITS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)
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namespace fs
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{
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static
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inline
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int
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fchmod(const int fd_,
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const mode_t mode_)
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{
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return ::fchmod(fd_,mode_);
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}
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static
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inline
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int
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fchmod(const int fd_,
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const struct stat &st_)
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{
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return ::fchmod(fd_,st_.st_mode);
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}
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static
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inline
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int
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fchmod_check_on_error(const int fd_,
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const struct stat &st_)
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{
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int rv;
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rv = fs::fchmod(fd_,st_);
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if(rv == -1)
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{
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int error;
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struct stat tmpst;
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error = errno;
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rv = fs::fstat(fd_,&tmpst);
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if(rv == -1)
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return -1;
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if((st_.st_mode & MODE_BITS) != (tmpst.st_mode & MODE_BITS))
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return (errno=error,-1);
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}
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return 0;
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}
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}
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