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79 lines
1.8 KiB
79 lines
1.8 KiB
/*
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ISC License
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Copyright (c) 2020, 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_lstat.hpp"
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#include <string>
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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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lchmod(const char *pathname_,
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const mode_t mode_)
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{
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#if defined __linux__
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return ::chmod(pathname_,mode_);
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#else
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return ::lchmod(pathname_,mode_);
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#endif
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}
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static
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inline
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int
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lchmod(const std::string &pathname_,
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const mode_t mode_)
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{
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return fs::lchmod(pathname_.c_str(),mode_);
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}
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static
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inline
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int
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lchmod_check_on_error(const std::string &path_,
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const mode_t mode_)
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{
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int rv;
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rv = fs::lchmod(path_,mode_);
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if(rv == -1)
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{
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int error;
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struct stat st;
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error = errno;
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rv = fs::lstat(path_,&st);
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if(rv == -1)
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return -1;
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if((st.st_mode & MODE_BITS) != (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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