mirrors/coreutils
0
0
Fork 0
mirror of https://github.com/coreutils/coreutils.git synced 2025-01-21 15:43:30 +08:00
Code Issues Packages Projects Releases Wiki Activity

(ENOSYS): Define if not already defined.

Browse Source 
(ftimens): Support having a null PATH if the file descriptor
is nonnegative.
This commit is contained in:
Paul Eggert 2005-09-25 06:08:45 +00:00
parent add931ac28
commit 4f001e7a13
1 changed files with 40 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
lib/utimens.c
View File

@ -41,6 +41,16 @@ struct utimbuf
};
#endif
/* Some systems don't have ENOSYS. */
#ifndef ENOSYS
# ifdef ENOTSUP
# define ENOSYS ENOTSUP
# else
/* Some systems don't have ENOTSUP either. */
# define ENOSYS EINVAL
# endif
#endif
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
# define __attribute__(x)
#endif
@ -53,7 +63,11 @@ struct utimbuf
TIMESPEC[0] and TIMESPEC[1], respectively.
FD must be either negative -- in which case it is ignored --
or a file descriptor that is open on FILE.
If TIMESPEC is null, set the time stamps to the current time. */
If FD is nonnegative, then FILE can be NULL, which means
use just futimes (or equivalent) instead of utimes (or equivalent),
and fail if on an old system without futimes (or equivalent).
If TIMESPEC is null, set the time stamps to the current time.
Return 0 on success, -1 (setting errno) on failure. */
int
futimens (int fd ATTRIBUTE_UNUSED,
@ -78,8 +92,7 @@ futimens (int fd ATTRIBUTE_UNUSED,
# if HAVE_FUTIMESAT
return fd < 0 ? futimesat (AT_FDCWD, file, t) : futimesat (fd, NULL, t);
# else
# if HAVE_FUTIMES
# elif HAVE_FUTIMES
if (0 <= fd)
{
if (futimes (fd, t) == 0)
@ -97,23 +110,35 @@ futimens (int fd ATTRIBUTE_UNUSED,
return -1;
}
}
# endif
return utimes (file, t);
# endif
#endif
#else
#if ! HAVE_FUTIMES_AT
struct utimbuf utimbuf;
struct utimbuf const *t;
if (timespec)
if (!file)
{
utimbuf.actime = timespec[0].tv_sec;
utimbuf.modtime = timespec[1].tv_sec;
t = &utimbuf;
errno = ENOSYS;
return -1;
}
else
t = NULL;
return utime (file, t);
# if HAVE_WORKING_UTIMES
return utimes (file, t);
# else
{
struct utimbuf utimbuf;
struct utimbuf const *ut;
if (timespec)
{
utimbuf.actime = timespec[0].tv_sec;
utimbuf.modtime = timespec[1].tv_sec;
ut = &utimbuf;
}
else
ut = NULL;
return utime (file, ut);
}
# endif
#endif
}