86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
/* @(#)lutimens.c 1.2 13/10/30 Copyright 2013 J. Schilling */
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/*
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* Emulate the behavior of lutimens(const char *name,
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* const struct timespec times[2])
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*
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* Copyright (c) 2013 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include <schily/unistd.h>
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#include <schily/types.h>
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#include <schily/time.h>
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#include <schily/utime.h>
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#include <schily/fcntl.h>
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#include <schily/stat.h>
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#include <schily/errno.h>
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#include <schily/standard.h>
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#include <schily/schily.h>
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#ifndef HAVE_LUTIMENS
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#ifndef HAVE_LSTAT
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#define lstat stat
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#endif
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EXPORT int
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lutimens(name, times)
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const char *name;
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const struct timespec times[2];
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{
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#ifdef HAVE_UTIMENSAT
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return (utimensat(AT_FDCWD, name, times, AT_SYMLINK_NOFOLLOW));
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#else
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#ifdef HAVE_LUTIMES
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struct timeval tv[2];
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if (times == NULL)
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return (lutimes(name, NULL));
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tv[0].tv_sec = times[0].tv_sec;
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tv[0].tv_usec = times[0].tv_nsec/1000;
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tv[1].tv_sec = times[1].tv_sec;
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tv[1].tv_usec = times[1].tv_nsec/1000;
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return (lutimes(name, tv));
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#else
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#ifdef HAVE_LUTIME
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struct utimbuf ut;
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if (times == NULL)
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return (lutime(name, NULL));
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ut.actime = times[0].tv_sec;
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ut.modtime = times[1].tv_sec;
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return (lutime(name, &ut));
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#else
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struct stat sb;
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if (lstat(name, &sb) >= 0) {
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if (!S_ISLNK(sb.st_mode))
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return (utimens(name, times));
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}
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#ifdef ENOSYS
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seterrno(ENOSYS);
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#else
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seterrno(EINVAL);
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#endif
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return (-1);
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#endif
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#endif
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#endif
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}
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#endif /* HAVE_UTIMENS */
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