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https://github.com/acidanthera/audk.git
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d7ce700605
Add Posix functions for porting compatibility. Fix compliance issues with ISO/IEC 9899:199409 New Functions: setenv(), fparseln(), GetFileNameFromPath(), rename(), realpath(), setprogname(), getprogname(), strlcat(), strlcpy(), strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(), mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(), writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(), bcopy(), git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/*
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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*
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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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*
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* @(#)file.h 8.3 (Berkeley) 1/9/95
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* $Id: file.h,v 1.1.1.1 2006/05/30 06:12:53 hhzhou Exp $
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*/
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#ifndef _SYS_FILE_H_
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#define _SYS_FILE_H_
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#ifndef KERNEL
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#include <sys/fcntl.h>
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#include <sys/unistd.h>
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#endif
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#ifdef KERNEL
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#include <sys/queue.h>
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struct proc;
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struct uio;
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/*
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* Kernel descriptor table.
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* One entry for each open kernel vnode and socket.
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*/
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struct file {
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LIST_ENTRY(file) f_list;/* list of active files */
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short f_flag; /* see fcntl.h */
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#define DTYPE_VNODE 1 /* file */
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#define DTYPE_SOCKET 2 /* communications endpoint */
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#define DTYPE_PIPE 3 /* pipe */
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#define DTYPE_FIFO 4 /* fifo (named pipe) */
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short f_type; /* descriptor type */
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short f_count; /* reference count */
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short f_msgcount; /* references from message queue */
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struct ucred *f_cred; /* credentials associated with descriptor */
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struct fileops {
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int (*fo_read) __P((struct file *fp, struct uio *uio,
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struct ucred *cred, int flags));
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int (*fo_write) __P((struct file *fp, struct uio *uio,
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struct ucred *cred, int flags));
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#define FOF_OFFSET 1
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int (*fo_ioctl) __P((struct file *fp, u_long com,
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caddr_t data, struct proc *p));
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int (*fo_poll) __P((struct file *fp, int events,
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struct ucred *cred, struct proc *p));
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int (*fo_close) __P((struct file *fp, struct proc *p));
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} *f_ops;
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int f_seqcount; /*
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* count of sequential accesses -- cleared
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* by most seek operations.
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*/
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off_t f_nextread; /*
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* offset of next expected read
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*/
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off_t f_offset;
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caddr_t f_data; /* vnode or socket */
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};
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_FILE);
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#endif
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LIST_HEAD(filelist, file);
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extern struct filelist filehead; /* head of list of open files */
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extern struct fileops vnops;
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extern int maxfiles; /* kernel limit on number of open files */
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extern int maxfilesperproc; /* per process limit on number of open files */
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extern int nfiles; /* actual number of open files */
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#endif /* KERNEL */
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#endif /* !SYS_FILE_H */
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