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45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
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/*
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ISC License
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Copyright (c) 2016, 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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#ifndef __FS_DEVID_HPP__
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#define __FS_DEVID_HPP__
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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namespace fs
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{
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static
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inline
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dev_t
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devid(const int fd)
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{
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int rv;
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struct stat st;
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rv = ::fstat(fd,&st);
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if(rv == -1)
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return -1;
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return st.st_dev;
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}
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}
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#endif
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