glibc/sysdeps/posix/pathconf.c
Ulrich Drepper 4bae556733 Update.
1998-07-08 22:18  Ulrich Drepper  <drepper@cygnus.com>

	* elf/Versions: Add _dl_mcount_wrapper_check.
	* elf/dlfcn.h (DL_CALL_FCT): Don't test _dl_profile_map, simply use
	_dl_mcount_wrapper_check.
	* iconv/skeleton.c: Use DL_CALL_FCT, not _CALL_DL_FCT.

	* elf/dl-reloc.c (_dl_relocate_object): Don't declare using
	internal_function.
	* elf/ldsodefs.h: Likewise.

	* io/fcntl.h: Define SEEK_SET, SEEK_CUR, and SEEK_END.

	* libio/stdio.h: Make sure va_list is defined for X/Open.
	Define P_tmpdir for X/Open.

	* posix/regex.h: Fix typo.

	* posix/unistd.h: Define intptr_t if not already happened.
	Add pthread_atfork prototype.
	* sysdeps/generic/bits/types.h: Define __intptr_t.
	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/mips/types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sparc/sparc64/types.h: Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/bits/types.h: Likewise.
	* sysdeps/wordsize-32/stdint.h: Don't define intptr_t if already done.
	* sysdeps/wordsize-64/stdint.h: Likewise.

	* posix/bits/posix1_lim.h: Define _POSIX_CLOCKRES_MIN.

	* signal/Makefile (headers): Add bits/sigthread.h.
	* signal/signal.h: Include bits/sigthread.h.
	* sysdeps/generic/bits/sigthread.h: New file.

	* stdlib/stdlib.h: Declare rand_r use __USE_POSIX.

	* sysdeps/generic/bits/confname.h: Define _PC_FILESIZEBITS.
	* sysdeps/posix/pathconf.c: Handle _PC_FILESIZEBITS.
	* sysdeps/unix/sysv/linux/alpha/fpathconf.c: New file.
	* sysdeps/unix/sysv/linux/alpha/pathconf.c: New file.

	* sysdeps/generic/bits/dlfcn.h: Define RTLD_LOCAL.

	* elf/rtld.c: Remove preloading and loadpath variables in SUID
	programs.
	* sysdeps/generic/dl-sysdep.c: Define unsetenv.
	* sysdeps/unix/sysv/linux/i386/dl-librecon.h: Define other envvar
	names.

	* sysdeps/unix/sysv/linux/bits/errno.h: Define ECANCELED.

	* sysdeps/unix/sysv/linux/bits/fcntl.h: Define O_RSYNC and O_DSYNC.
	Remove O_READ and O_WRITE definition.

	* sysdeps/unix/sysv/linux/bits/resource.h: Define RLIM_SAVED_MAX
	and RLIM_SAVED_CUR.

	* sysdeps/unix/sysv/linux/fstatvfs.h: Handle UFS filesystem.

1998-07-06  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules ($(common-objpfx)sysd-versions): Expect awk script in
	scripts directory.  Pass move-if-change to awk.
	(common-generated): Add $(version-maps) and sysd-versions.
	* versions.awk: Moved to...
	* scripts/versions.awk: ... here.  Use move-if-change to void
	touching unchanged files.  Print "version-maps = ..." instead of
	"all-version-maps = ..." and without $(common-objpfx).  Explain
	expected variable names.
	* Makefile (distribute): Updated.

1998-07-06  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* misc/getttyent.c (getttyent): Don't return with locked stream.
	* misc/mntent_r.c (__getmntent_r): Likewise.

1998-07-07 18:24  Ulrich Drepper  <drepper@cygnus.com>

	* libio/fileops.c (_IO_do_write): Don't shrink wwrite buffer to zero
	if stream is line buffered.
	(_io_file_overflow): Likewise.
	* libio/libio.h (_IO_putc_unlocked): Make sure that for line-buffered
	streams writing '\n' flushes the string.
1998-07-08 22:53:56 +00:00

160 lines
3.0 KiB
C

/* Copyright (C) 1991, 1995, 1996, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stddef.h>
#include <unistd.h>
#include <limits.h>
#include <fcntl.h>
#include <sys/statfs.h>
/* Get file-specific information about PATH. */
long int
__pathconf (const char *path, int name)
{
if (path[0] == '\0')
{
__set_errno (ENOENT);
return -1;
}
switch (name)
{
default:
__set_errno (EINVAL);
return -1;
case _PC_LINK_MAX:
#ifdef LINK_MAX
return LINK_MAX;
#else
return -1;
#endif
case _PC_MAX_CANON:
#ifdef MAX_CANON
return MAX_CANON;
#else
return -1;
#endif
case _PC_MAX_INPUT:
#ifdef MAX_INPUT
return MAX_INPUT;
#else
return -1;
#endif
case _PC_NAME_MAX:
#ifdef NAME_MAX
{
struct statfs buf;
int save_errno = errno;
if (__statfs (path, &buf) < 0)
{
if (errno == ENOSYS)
{
errno = save_errno;
return NAME_MAX;
}
return -1;
}
else
return buf.f_namelen;
}
#else
return -1;
#endif
case _PC_PATH_MAX:
#ifdef PATH_MAX
return PATH_MAX;
#else
return -1;
#endif
case _PC_PIPE_BUF:
#ifdef PIPE_BUF
return PIPE_BUF;
#else
return -1;
#endif
case _PC_CHOWN_RESTRICTED:
#ifdef _POSIX_CHOWN_RESTRICTED
return _POSIX_CHOWN_RESTRICTED;
#else
return -1;
#endif
case _PC_NO_TRUNC:
#ifdef _POSIX_NO_TRUNC
return _POSIX_NO_TRUNC;
#else
return -1;
#endif
case _PC_VDISABLE:
#ifdef _POSIX_VDISABLE
return _POSIX_VDISABLE;
#else
return -1;
#endif
case _PC_SYNC_IO:
#ifdef _POSIX_SYNC_IO
return _POSIX_SYNC_IO;
#else
return -1;
#endif
case _PC_ASYNC_IO:
#ifdef _POSIX_ASYNC_IO
return _POSIX_ASYNC_IO;
#else
return -1;
#endif
case _PC_PRIO_IO:
#ifdef _POSIX_PRIO_IO
return _POSIX_PRIO_IO;
#else
return -1;
#endif
case _PC_SOCK_MAXBUF:
#ifdef SOCK_MAXBUF
return SOCK_MAXBUF;
#else
return -1;
#endif
case _PC_FILESIZEBITS:
#ifdef FILESIZEBITS
return FILESIZEBITS;
#else
/* We let platforms with larger file sizes overwrite this value. */
return 32;
#endif
}
}
#undef __pathconf
weak_alias (__pathconf, pathconf)