File: utime.2

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.\" -*- nroff -*-
.\"
.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\" 
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\" 
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified by Michael Haardt <michael@moria.de>
.\" Modified Sat Jul 24 13:03:05 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified 10 June 1995 by Andries Brouwer <aeb@cwi.nl>
.\"
.TH UTIME 2 "10/06/1995" "Linux" "Manual do Programador Linux"
.SH NOME
utime, utimes \- altera a data de acesso ou modificao de um inode
.SH SINOPSE
.B #include <sys/types.h>
.br
.B #include <utime.h>
.sp
.BI "int utime(const char *" filename ", struct utimbuf *" buf );
.sp 2
.B #include <sys/time.h>
.sp
.BI "int utimes(char *" filename ", struct timeval *" tvp );
.SH DESCRIO
.B utime
altera a data de acessou modificao de um inode especificado por
.I filename
para os respectivos campos
.IR actime " e " modtime
do
.I buf
. Se
.I buf

.BR NULL ,
ento a data de acesso e modificao dos arquivos so modificadas para a data
atual. A estrutura
.I utimbuf
:

.RS
.nf
struct utimbuf {
        time_t actime;  /* access time */
        time_t modtime; /* modification time */
};
.fi
.RE

Nas bibliotecas DLL 4.4.1 do Linux,
.B utimes
 justamente uma capa para
.BR utime :
.IR tvp [0]. tv_sec

.IR actime ,
e
.IR tvp [1]. tv_sec

.IR modtime .
A estrutura
.I timeval
:

.RS
.nf
struct timeval {
        long    tv_sec;         /* seconds */
        long    tv_usec;        /* microseconds */
};
.fi
.RE
.SH "VALORES RETORNADOS"
Em caso de sucesso, zero  retornado. Caso contrrio, \-1  retornado, e
.I errno
 selecionado adequadamente.
.SH ERRORS
Outros erros podem ocorrer.

.TP
.B EACCES
A permisso para escrever no arquivo  negada.
.TP
.B ENOENT
.I filename
no existe.
.SH "DE ACORDO COM"
.BR utime :
SVr4, SVID, POSIX. Na documentao SVr4 condies de erros adicionais EFAULT,
EINTR, ELOOP, EMULTIHOP, ENAMETOOLONG, ENOLINK, ENOTDIR,
ENOLINK, ENOTDIR, EPERM, EROFS.
.br
.BR utimes :
BSD 4.3
.SH "VEJA TAMBM"
.BR stat (2)
.SH TRADUZIDO POR LDP-BR em 21/08/2000.
\&\fR\&\f(CWAndr L. Fassone Canova <lonelywolf@blv.com.br> (traduo)\fR
\&\fR\&\f(CWxxxxxxxxxxxxxxxxxxxxxxxxx <xxx@xxxxxx.xxx.xx> (reviso)\fR