diff options
| -rw-r--r-- | ChangeLog | 22 | ||||
| -rw-r--r-- | manual/filesys.texi | 51 | ||||
| -rw-r--r-- | misc/Makefile | 2 | ||||
| -rw-r--r-- | misc/Versions | 2 | ||||
| -rw-r--r-- | sysdeps/generic/futimes.c | 34 | ||||
| -rw-r--r-- | sysdeps/generic/lutimes.c | 35 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/futimes.c | 47 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/ifreq.h | 5 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/lutimes.c | 53 | ||||
| -rw-r--r-- | time/sys/time.h | 17 |
10 files changed, 260 insertions, 8 deletions
@@ -1,3 +1,25 @@ +2002-08-26 Roland McGrath <roland@redhat.com> + + * time/sys/time.h [__USE_BSD] (lutimes, futimes): Declare them. + * manual/filesys.texi (File Times): Document lutimes and futimes. + * misc/Makefile (routines): Add them. + * misc/Versions (libc: GLIBC_2.3): Likewise. + * sysdeps/generic/lutimes.c: New file. + * sysdeps/generic/futimes.c: New file. + * sysdeps/mach/hurd/lutimes.c: New file. + * sysdeps/mach/hurd/futimes.c: New file. + + * manual/filesys.texi (File Times): Add explicit note about null + pointer argument to utimes. + +2002-08-26 Roland McGrath <roland@frob.com> + + * sysdeps/mach/hurd/ifreq.h (__if_freereq): Add missing semicolon. + (__ifreq): Add a cast. Remove an unused variable. + + * hurd/hurd/threadvar.h (enum __hurd_threadvar_index): Add + _HURD_THREADVAR_LOCALE. + 2002-08-26 Jakub Jelinek <jakub@redhat.com> * posix/regexec.c (re_search_stub): Return correct match length diff --git a/manual/filesys.texi b/manual/filesys.texi index 0f12746..8aeea93 100644 --- a/manual/filesys.texi +++ b/manual/filesys.texi @@ -2722,12 +2722,61 @@ in the header file @file{sys/time.h}. This function sets the file access and modification times of the file @var{filename}. The new file access time is specified by @code{@var{tvp}[0]}, and the new modification time by -@code{@var{tvp}[1]}. This function comes from BSD. +@code{@var{tvp}[1]}. Similar to @code{utime}, if @var{tvp} is a null +pointer then the access and modification times of the file are set to +the current time. This function comes from BSD. The return values and error conditions are the same as for the @code{utime} function. @end deftypefun +@comment sys/time.h +@comment BSD +@deftypefun int lutimes (const char *@var{filename}, struct timeval @var{tvp}@t{[2]}) +This function is like @code{utimes}, except that it does not follow +symbolic links. If @var{filename} is the name of a symbolic link, +@code{lutimes} sets the file access and modification times of the +symbolic link special file itself (as seen by @code{lstat}; +@pxref{Symbolic Links}) while @code{utimes} sets the file access and +modification times of the file the symbolic link refers to. This +function comes from FreeBSD, and is not available on all platforms (if +not available, it will fail with @code{ENOSYS}). + +The return values and error conditions are the same as for the @code{utime} +function. +@end deftypefun + +@comment sys/time.h +@comment BSD +@deftypefun int futimes (int *@var{fd}, struct timeval @var{tvp}@t{[2]}) +This function is like @code{utimes}, except that it takes an open file +descriptor as an argument instead of a file name. @xref{Low-Level +I/O}. This function comes from FreeBSD, and is not available on all +platforms (if not available, it will fail with @code{ENOSYS}). + +Like @code{utimes}, @code{futimes} returns @code{0} on success and @code{-1} +on failure. The following @code{errno} error conditions are defined for +@code{futimes}: + +@table @code +@item EACCES +There is a permission problem in the case where a null pointer was +passed as the @var{times} argument. In order to update the time stamp on +the file, you must either be the owner of the file, have write +permission for the file, or be a privileged user. + +@item EBADF +The @var{filedes} argument is not a valid file descriptor. + +@item EPERM +If the @var{times} argument is not a null pointer, you must either be +the owner of the file or be a privileged user. + +@item EROFS +The file lives on a read-only file system. +@end table +@end deftypefun + @node File Size @subsection File Size diff --git a/misc/Makefile b/misc/Makefile index b9c5ee6..ce037ba 100644 --- a/misc/Makefile +++ b/misc/Makefile @@ -47,7 +47,7 @@ routines := brk sbrk sstk ioctl \ gtty stty \ ptrace \ fstab mntent mntent_r \ - utimes \ + utimes lutimes futimes \ truncate ftruncate truncate64 ftruncate64 \ chflags fchflags \ insremque getttyent getusershell getpass ttyslot \ diff --git a/misc/Versions b/misc/Versions index 477b1b0..08834ca 100644 --- a/misc/Versions +++ b/misc/Versions @@ -111,6 +111,7 @@ libc { GLIBC_2.3 { # f* fgetxattr; flistxattr; fremovexattr; fsetxattr; + futimes; # g* getxattr; @@ -118,6 +119,7 @@ libc { # l* listxattr; lgetxattr; llistxattr; lremovexattr; lsetxattr; + lutimes; # r* removexattr; diff --git a/sysdeps/generic/futimes.c b/sysdeps/generic/futimes.c new file mode 100644 index 0000000..3378dbf --- /dev/null +++ b/sysdeps/generic/futimes.c @@ -0,0 +1,34 @@ +/* futimes -- change access and modification times of open file. Stub version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/time.h> +#include <errno.h> + +/* Change the access time of FILE to TVP[0] and + the modification time of FILE to TVP[1], but do not follow symlinks. */ +int +__futimes (int fd, const struct timeval tvp[2]) +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__futimes, futimes) + +stub_warning (futimes) +#include <stub-tag.h> diff --git a/sysdeps/generic/lutimes.c b/sysdeps/generic/lutimes.c new file mode 100644 index 0000000..34fc183 --- /dev/null +++ b/sysdeps/generic/lutimes.c @@ -0,0 +1,35 @@ +/* lutimes -- change access and modification times of a symlink. Stub version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/time.h> +#include <errno.h> +#include <stddef.h> + +/* Change the access time of FILE to TVP[0] and + the modification time of FILE to TVP[1], but do not follow symlinks. */ +int +__lutimes (const char *file, const struct timeval tvp[2]) +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__lutimes, lutimes) + +stub_warning (lutimes) +#include <stub-tag.h> diff --git a/sysdeps/mach/hurd/futimes.c b/sysdeps/mach/hurd/futimes.c new file mode 100644 index 0000000..ca687b8 --- /dev/null +++ b/sysdeps/mach/hurd/futimes.c @@ -0,0 +1,47 @@ +/* futimes -- change access and modification times of open file. Hurd version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/time.h> +#include <errno.h> +#include <stddef.h> +#include <hurd.h> +#include <hurd/fd.h> + +/* Change the access time of FD to TVP[0] and + the modification time of FD to TVP[1]. */ +int +__futimes (int fd, const struct timeval tvp[2]) +{ + struct timeval timevals[2]; + error_t err; + + if (tvp == NULL) + { + /* Setting the number of microseconds to `-1' tells the + underlying filesystems to use the current time. */ + timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1; + tvp = timevals; + } + + err = HURD_DPORT_USE (fd, __file_utimes (port, + *(time_value_t *) &tvp[0], + *(time_value_t *) &tvp[1])); + return err ? __hurd_dfail (fd, err) : 0; +} +weak_alias (__futimes, futimes) diff --git a/sysdeps/mach/hurd/ifreq.h b/sysdeps/mach/hurd/ifreq.h index 737dee9..f2143d8 100644 --- a/sysdeps/mach/hurd/ifreq.h +++ b/sysdeps/mach/hurd/ifreq.h @@ -27,7 +27,6 @@ static inline void __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) { - struct ifconf ifc; file_t server; server = _hurd_socket_server (PF_INET, 0); @@ -49,7 +48,7 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) server = _hurd_socket_server (PF_INET, 1); if (server == MACH_PORT_NULL) goto out; - err = __pfinet_siocgifconf (server, -1, ifreqs, &len); + err = __pfinet_siocgifconf (server, -1, (data_t *) ifreqs, &len); } if (err) goto out; @@ -70,5 +69,5 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) static inline void __if_freereq (struct ifreq *ifreqs, int num_ifs) { - munmap (ifreqs, num_ifs * sizeof (struct ifreq)) + __munmap (ifreqs, num_ifs * sizeof (struct ifreq)); } diff --git a/sysdeps/mach/hurd/lutimes.c b/sysdeps/mach/hurd/lutimes.c new file mode 100644 index 0000000..cf89d88 --- /dev/null +++ b/sysdeps/mach/hurd/lutimes.c @@ -0,0 +1,53 @@ +/* lutimes -- change access and modification times of a symlink. Hurd version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/time.h> +#include <errno.h> +#include <stddef.h> +#include <hurd.h> +#include <fcntl.h> + +/* Change the access time of FILE to TVP[0] and + the modification time of FILE to TVP[1]. */ +int +__lutimes (const char *file, const struct timeval tvp[2]) +{ + struct timeval timevals[2]; + error_t err; + file_t port; + + if (tvp == NULL) + { + /* Setting the number of microseconds to `-1' tells the + underlying filesystems to use the current time. */ + timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1; + tvp = timevals; + } + + port = __file_name_lookup (file, O_NOLINK, 0); + if (port == MACH_PORT_NULL) + return -1; + err = __file_utimes (port, + *(time_value_t *) &tvp[0], *(time_value_t *) &tvp[1]); + __mach_port_deallocate (__mach_task_self (), port); + if (err) + return __hurd_fail (err); + return 0; +} +weak_alias (__lutimes, lutimes) diff --git a/time/sys/time.h b/time/sys/time.h index f051d58..0597551 100644 --- a/time/sys/time.h +++ b/time/sys/time.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1991-1994,96,97,98,99,2000,2001 Free Software Foundation, Inc. +/* Copyright (C) 1991-1994,96,97,98,99,2000,01,02 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -132,11 +133,21 @@ extern int setitimer (__itimer_which_t __which, __const struct itimerval *__restrict __new, struct itimerval *__restrict __old) __THROW; -/* Change the access time of FILE to TVP[0] and - the modification time of FILE to TVP[1]. */ +/* Change the access time of FILE to TVP[0] and the modification time of + FILE to TVP[1]. If TVP is a null pointer, use the current time instead. + Returns 0 on success, -1 on errors. */ extern int utimes (__const char *__file, __const struct timeval __tvp[2]) __THROW; +#ifdef __USE_BSD +/* Same as `utimes', but does not follow symbolic links. */ +extern int lutimes (__const char *__file, __const struct timeval __tvp[2]) + __THROW; + +/* Same as `utimes', but takes an open file descriptor instead of a name. */ +extern int futimes (int fd, __const struct timeval __tvp[2]) __THROW; +#endif + #ifdef __USE_BSD /* Convenience macros for operations on timevals. |