utime(3) [netbsd man page]

UTIME(3)						   BSD Library Functions Manual 						  UTIME(3)

NAME

     utime -- set file times

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <utime.h>

     int
     utime(const char *file, const struct utimbuf *timep);

DESCRIPTION

     This interface is obsoleted by utimes(2).

     The utime() function sets the access and modification times of the named file.

     If timep is NULL, the access and modification times are set to the current time.  The calling process must be the owner of the file or have
     permission to write the file.

     If timep is non-NULL, time is assumed to be a pointer to a utimbuf structure, as defined in <utime.h>:

	   struct utimbuf {
		   time_t actime;	   /* Access time */
		   time_t modtime;	   /* Modification time */
	   };

     The access time is set to the value of the actime member, and the modification time is set to the value of the modtime member.  The times are
     measured in seconds since 0 hours, 0 minutes, 0 seconds, January 1, 1970 Coordinated Universal Time (UTC).  The calling process must be the
     owner of the file or be the super-user.

     In either case, the inode-change-time of the file is set to the current time.

RETURN VALUES

     Upon successful completion, a value of 0 is returned.  Otherwise, a value of -1 is returned and errno is set to indicate the error.

ERRORS

     utime() will fail if:

     [EACCES]		Search permission is denied for a component of the path prefix; or the times argument is NULL and the effective user ID of
			the process does not match the owner of the file, and is not the super-user, and write access is denied.

     [EFAULT]		file or times points outside the process's allocated address space.

     [EINVAL]		The pathname contains a character with the high-order bit set.

     [EIO]		An I/O error occurred while reading or writing the affected inode.

     [ELOOP]		Too many symbolic links were encountered in translating the pathname.

     [ENAMETOOLONG]	A component of a pathname exceeded 255 characters, or an entire path name exceeded 1023 characters.

     [ENOENT]		The named file does not exist.

     [ENOTDIR]		A component of the path prefix is not a directory.

     [EPERM]		The times argument is not NULL and the calling process's effective user ID does not match the owner of the file and is not
			the super-user.

     [EROFS]		The file system containing the file is mounted read-only.

SEE ALSO

     stat(2), utimes(2)

STANDARDS

     The utime() function conforms to ISO/IEC 9945-1:1990 (``POSIX.1'').  It was however marked as legacy in the IEEE Std 1003.1-2008
     (``POSIX.1'') revision of the standard.

HISTORY

     A utime() function appeared in Version 7 AT&T UNIX.

BSD
								  April 29, 2010							       BSD

Check Out this Related Man Page

utime(3)						     Library Functions Manual							  utime(3)

Name
       utime - set file times

Syntax
       #include <sys/types.h>
       int utime (path, times)
       char *path;
       struct utimbuf *times;

Description
       The path points to a pathname naming a file.  The function sets the access and modification times of the named file.

       If  times  is  NULL, the access and modification times of the file are set to the current time.	A process must be the owner of the file or
       have write permission to use in this manner.

       If times is not NULL, times is interpreted as a pointer to a utimbuf structure and the access and modification times are set to the  values
       contained in the designated structure.  Only the owner of the file or the super-user can use this way.

       The function causes the time of the last file status change(st_ctime) to be updated with the current time.

       The times in the following structure are measured in seconds since 00:00:00 GMT, January 1, 1970.
       struct  utimbuf	{
	       time_t  actime;	  /* access time */
	       time_t  modtime;   /* modification time */
       };

Return Values
       Upon successful completion, a value of zero (0) is returned.  Otherwise, a value of -1 is returned, and errno is set to indicate the error.

Diagnostics
       The function fails, if any of the following is true:

       [EACCES]       Search permission is denied by a component of the path prefix.

       [EACCES]       The effective user ID is not super-user, not the owner of the file, times is NULL, and write access is denied.

       [EFAULT]       The times is not NULL and points outside the process's allocated address space.

       [EFAULT]       The path points outside the process's allocated address space.

       [ENOENT]       The named file does not exist or path points to an empty string and the environment defined is POSIX or SYSTEM_FIVE.

       [ENOTDIR]      A component of the path prefix is not a directory.

       [EPERM]	      The effective user ID is not a super-user, not the owner of the file, and times is not NULL.

       [EROFS]	      The file system containing the file is mounted read-only.

       [ETIMEDOUT]    A connect request or remote file operation failed, because the connected party did not respond after a period of time deter-
		      mined by the communications protocol.

See Also
       stat(2)

																	  utime(3)

Linux and UNIX Man Pages

utime(3) [netbsd man page]

Check Out this Related Man Page