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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14685 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2004-07-26 16:36:55 +00:00
parent a9e8f137ad
commit 91bcdea2a2
669 changed files with 80825 additions and 0 deletions
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169
library/stat_stat.c Normal file
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/*
* $Id: stat_stat.c,v 1.1.1.1 2004-07-26 16:31:23 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2004 by Olaf Barthel <olsen@sourcery.han.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _STDLIB_NULL_POINTER_CHECK_H
#include "stdlib_null_pointer_check.h"
#endif /* _STDLIB_NULL_POINTER_CHECK_H */
/****************************************************************************/
#ifndef _STAT_HEADERS_H
#include "stat_headers.h"
#endif /* _STAT_HEADERS_H */
#ifndef _LOCALE_HEADERS_H
#include "locale_headers.h"
#endif /* _LOCALE_HEADERS_H */
/****************************************************************************/
/* The following is not part of the ISO 'C' standard. */
/****************************************************************************/
int
stat(const char * path_name, struct stat * st)
{
#if defined(UNIX_PATH_SEMANTICS)
struct name_translation_info path_name_nti;
#endif /* UNIX_PATH_SEMANTICS */
D_S(struct FileInfoBlock,fib);
struct FileLock * fl;
int result = -1;
LONG status;
BPTR file_lock = ZERO;
ENTER();
SHOWSTRING(path_name);
SHOWPOINTER(st);
assert( path_name != NULL && st != NULL );
#if defined(CHECK_FOR_NULL_POINTERS)
{
if(path_name == NULL || st == NULL)
{
SHOWMSG("invalid parameters");
errno = EFAULT;
goto out;
}
}
#endif /* CHECK_FOR_NULL_POINTERS */
if(__check_abort_enabled)
__check_abort();
#if defined(UNIX_PATH_SEMANTICS)
{
if(__unix_path_semantics)
{
if(__translate_unix_to_amiga_path_name(&path_name,&path_name_nti) != 0)
goto out;
/* The pseudo root directory is a very special case indeed.
* We make up some pseudo data for it.
*/
if(path_name_nti.is_root)
{
struct DateStamp ds;
time_t mtime;
SHOWMSG("seting up the root directory info");
memset(st,0,sizeof(*st));
PROFILE_OFF();
DateStamp(&ds);
PROFILE_ON();
mtime = UNIX_TIME_OFFSET + ds.ds_Days * 24*60*60 + ds.ds_Minute * 60 + (ds.ds_Tick / TICKS_PER_SECOND);
if(__default_locale != NULL)
mtime += 60 * __default_locale->loc_GMTOffset;
st->st_mode = S_IFDIR | S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
st->st_mtime = mtime;
st->st_atime = st->st_mtime;
st->st_ctime = st->st_mtime;
st->st_nlink = 2;
st->st_blksize = 512;
result = 0;
goto out;
}
}
}
#endif /* UNIX_PATH_SEMANTICS */
D(("trying to get a lock on '%s'",path_name));
PROFILE_OFF();
file_lock = Lock((STRPTR)path_name,SHARED_LOCK);
PROFILE_ON();
if(file_lock == ZERO)
{
SHOWMSG("that didn't work");
__translate_access_io_error_to_errno(IoErr(),&errno);
goto out;
}
PROFILE_OFF();
status = Examine(file_lock,fib);
PROFILE_ON();
if(status == DOSFALSE)
{
SHOWMSG("couldn't examine it");
__translate_io_error_to_errno(IoErr(),&errno);
goto out;
}
fl = BADDR(file_lock);
__convert_file_info_to_stat(fl->fl_Task,fib,st);
result = 0;
out:
PROFILE_OFF();
UnLock(file_lock);
PROFILE_ON();
RETURN(result);
return(result);
}