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88 lines
2.1 KiB
88 lines
2.1 KiB
/*
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ISC License
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Copyright (c) 2017, 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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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/errno.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <unistd.h>
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namespace l
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{
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static
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int
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getpath(const int dirfd_,
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const char *path_,
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char *fullpath_)
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{
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int rv;
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struct stat st;
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rv = ::fstat(dirfd_,&st);
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if(rv == -1)
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return -1;
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if(!S_ISDIR(st.st_mode))
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return (errno=ENOTDIR,-1);
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rv = ::fcntl(dirfd_,F_GETPATH,fullpath);
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if(rv == -1)
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return -1;
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rv = ::strlcat(fullpath_,"/",MAXPATHLEN);
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if(rv > MAXPATHLEN)
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return (errno=ENAMETOOLONG,-1);
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rv = ::strlcat(fullpath_,path_,MAXPATHLEN);
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if(rv > MAXPATHLEN)
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return (errno=ENAMETOOLONG,-1);
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return 0;
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}
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}
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namespace fs
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{
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int
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futimesat(const int dirfd_,
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const char *pathname_,
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const struct timeval times_[2])
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{
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int rv;
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char fullpath[MAXPATHLEN];
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if((dirfd_ == AT_FDCWD) ||
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((pathname_ != NULL) &&
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(pathname_[0] == '/')))
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return ::utimes(pathname_,times_);
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if(dirfd_ < 0)
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return (errno=EBADF,-1);
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rv = l::getpath(dirfd_,pathname_,fullpath);
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if(rv == -1)
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return -1;
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return ::utimes(fullpath,times_);
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}
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}
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