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utimes.0
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1992-08-10
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133 lines
UTIMES(2) UNIX Programmer's Manual UTIMES(2)
NNAAMMEE
uuttiimmeess - set file access and modification times
SSYYNNOOPPSSIISS
##iinncclluuddee <<ssyyss//ttiimmee..hh>>
_i_n_t
uuttiimmeess(_c_o_n_s_t _c_h_a_r _*_f_i_l_e, _c_o_n_s_t _s_t_r_u_c_t _t_i_m_e_v_a_l _*_t_i_m_e_s)
DDEESSCCRRIIPPTTIIOONN
The uuttiimmeess() function sets the access and modification times of the named
file from the structures in the argument array _t_i_m_e_s.
The first structure is the access time, and the second is the modifica¡
tion time.
If the times are specified (the _t_i_m_e_s argument is non¡NULL) the caller
must be the owner of the file or be the super¡user.
If the times are not specified (the _t_i_m_e_s argument is NULL) the caller
must be the owner of the file, have permission to write the file, or be
the super¡user.
RREETTUURRNN VVAALLUUEESS
Upon successful completion, a value of 0 is returned. Otherwise, a value
of ¡1 is returned and _e_r_r_n_o is set to indicate the error.
EERRRROORRSS
UUttiimmeess() will fail if:
[EACCES] Search permission is denied for a component of the path
prefix; or the _t_i_m_e_s argument is NULL and the effective us¡
er 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 _t_i_m_e_s points outside the process's allocated ad¡
dress 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 _t_i_m_e_s 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.
SSEEEE AALLSSOO
stat(2)
HHIISSTTOORRYY
The uuttiimmeess function call appeared in 4.2BSD.
4th Berkeley Distribution April 19, 1991 2