0c1992fbcc
Include/ctype.h: Function declaration and Macro definition of isDirSep
Include/unistd.h: Declarations added from EfiSysCall.h
Include/utime.h: New file. For the Posix utime() function.
Include/sys/_ctype.h: Update character class bit maps.
Include/sys/EfiSysCall.h: Move declarations to unistd.h
Include/sys/fcntl.h: Improve comments. Add UEFI-specific macros.
Include/sys/filio.h: Remove declarations for unsupported file ioctls.
Include/sys/stat.h: Fix flags. Add macros and declarations.
Include/sys/time.h: Add declarations for new functions Tm2Efi() and Time2Efi().
Include/sys/types.h: Use EFI-specific instead of BSD-specific definitions for typedefs.
Include/sys/unistd.h: Delete inappropriate content. Guard macro definitions.
LibC/Locale/setlocale.c
LibC/Stdio/{fdopen.c, findfp.c, fopen.c, freopen.c, gettemp.c, makebuf.c, mktemp.c,
remove.c, stdio.c, tempnam.c, tmpfile.c, tmpnam.c}
LibC/Time/{itimer.c, ZoneProc.c}
LibC/Uefi/SysCalls.c
LibC/Uefi/Devices/Console/daConsole.c
LibC/Uefi/Devices/UefiShell/daShell.c
PosixLib/Gen/readdir.c
Include unistd.h instead of EfiSysCall.h
LibC/Ctype/CClass.c: Character classification function implementation for isDirSep.
LibC/Ctype/iCtype.c: Update character classification and case conversion tables.
LibC/Time/TimeEfi.c: Improve comments. Implement new functions Tm2Efi() and Time2Efi().
LibC/Uefi/StubFunctions.c: Add missing include. Cosmetic changes to declarations.
LibC/Uefi/SysCalls.c: Add support function for utime().
LibC/Uefi/Uefi.inf: Add LibGen library class dependency.
LibC/Uefi/Xform.c: Enhance Omode2EFI().
LibC/Uefi/Devices/UefiShell/daShell.c: Enhance da_ShellMkdir. Implement da_ShellIoctl to set file times.
PosixLib/Gen/access.c: New file. Implement the access() function.
PosixLib/Gen/dirname.c: Enhance to use isDirSep and differentiate between the device, path, and filename components of UEFI Shell-style paths.
PosixLib/Gen/utime.c: New file. Implement the utime() function.
PosixLib/Gen/LibGen.inf: Change MODULE_TYPE. Add new files.
Signed-off-by: darylm503
Reviewed-by: geekboy15a
Reviewed-by: jljusten
Reviewed-by: Rahul Khana
Reviewed-by: leegrosenbaum
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12800 6f19259b-4bc3-4df7-8a09-765794883524
137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
/** @file
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Get next entry in a directory.
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Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Copyright (c) 1983, 1993
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The Regents of the University of California. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the University nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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NetBSD: readdir.c,v 1.24 2008/05/04 18:53:26 tonnerre Exp
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readdir.c 8.3 (Berkeley) 9/29/94
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*/
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#include <sys/cdefs.h>
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#include <namespace.h>
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#include <reentrant.h>
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#include <extern.h>
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#include <sys/param.h>
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#include <sys/stdint.h>
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#include <stdio.h>
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#include <dirent.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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/*
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* get next entry in a directory.
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*/
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struct dirent *
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_readdir_unlocked(DIR *dirp, int skipdeleted)
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{
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struct dirent *dp;
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for (;;) {
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if (dirp->dd_loc >= dirp->dd_size) {
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if (dirp->dd_flags & __DTF_READALL)
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return (NULL);
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dirp->dd_loc = 0;
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}
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if (dirp->dd_loc == 0 && !(dirp->dd_flags & __DTF_READALL)) {
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dirp->dd_size = (long)read(dirp->dd_fd, dirp->dd_buf, (size_t)dirp->dd_len);
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if (dirp->dd_size <= 0)
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return (NULL);
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}
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dp = (struct dirent *) (void *)(dirp->dd_buf + (size_t)dirp->dd_loc);
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if ((intptr_t)dp & _DIRENT_ALIGN(dp))/* bogus pointer check */
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return (NULL);
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dirp->dd_loc += (long)dp->Size;
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if ((dp->Attribute & DT_HIDDEN) && (dirp->dd_flags & DTF_HIDEW))
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continue;
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return (dp);
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}
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}
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struct dirent *
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readdir(DIR *dirp)
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{
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struct dirent *dp;
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#ifdef _REENTRANT
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if (__isthreaded) {
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mutex_lock((mutex_t *)dirp->dd_lock);
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dp = _readdir_unlocked(dirp, 1);
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mutex_unlock((mutex_t *)dirp->dd_lock);
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}
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else
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#endif
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dp = _readdir_unlocked(dirp, 1);
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return (dp);
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}
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int
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readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
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{
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struct dirent *dp;
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int saved_errno;
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saved_errno = errno;
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errno = 0;
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#ifdef _REENTRANT
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if (__isthreaded) {
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mutex_lock((mutex_t *)dirp->dd_lock);
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if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
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memcpy(entry, dp, (size_t)_DIRENT_SIZE(dp));
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mutex_unlock((mutex_t *)dirp->dd_lock);
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}
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else
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#endif
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if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
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memcpy(entry, dp, (size_t)_DIRENT_SIZE(dp));
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if (errno != 0) {
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if (dp == NULL)
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return (errno);
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} else
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errno = saved_errno;
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if (dp != NULL)
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*result = entry;
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else
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*result = NULL;
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return (0);
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}
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