mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
234 lines
6.9 KiB
C
234 lines
6.9 KiB
C
/*
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* $Id: wce_stat.c,v 1.2 2006/04/09 16:48:18 mloskot Exp $
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*
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* Defines stat() function.
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*
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* Created by Mateusz Loskot (mateusz@loskot.net)
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*
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* Copyright (c) 2006 Taxus SI Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
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* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* MIT License:
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* http://opensource.org/licenses/mit-license.php
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*
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* Contact:
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* Taxus SI Ltd.
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* http://www.taxussi.com.pl
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*
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*/
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#include <wce_stat.h>
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#include <wce_time.h>
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#include <wce_timesys.h>
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#include <windows.h>
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/*******************************************************************************
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* Forward declarations.
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********************************************************************************/
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/* Return mode of file. */
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static unsigned short __wceex_get_file_mode(const char* name, int attr);
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/*******************************************************************************
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* wceex_stat - Get file attributes for file and store them in buffer.
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*
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* Description:
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*
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* File times on Windows CE: Windows CE object store keeps track of only
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* one time, the time the file was last written to.
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*
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* Return value:
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*
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* Upon successful completion, 0 shall be returned.
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* Otherwise, -1 shall be returned and errno set to indicate the error.
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*
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* XXX - mloskot - errno is not yet implemented
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*
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* Reference:
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* IEEE Std 1003.1, 2004 Edition
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*
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*******************************************************************************/
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int wceex_stat(const char* filename, struct stat *buffer)
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{
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HANDLE findhandle;
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WIN32_FIND_DATA findbuf;
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wchar_t pathWCE[MAX_PATH];
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//Don't allow wildcards to be interpreted by system
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if(strpbrk(filename, "?*"))
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//if(wcspbrk(path, L"?*"))
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{
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//errno = ENOENT;
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return(-1);
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}
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//search file/dir
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mbstowcs(pathWCE, filename, strlen(filename) + 1);
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findhandle = FindFirstFile(pathWCE, &findbuf);
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if(findhandle == INVALID_HANDLE_VALUE)
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{
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//is root
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if(_stricmp(filename, ".\\")==0)
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{
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findbuf.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
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//dummy values
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findbuf.nFileSizeHigh = 0;
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findbuf.nFileSizeLow = 0;
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findbuf.cFileName[0] = '\0';
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buffer->st_mtime = wceex_local_to_time_r(1980 - TM_YEAR_BASE, 0, 1, 0, 0, 0);
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buffer->st_atime = buffer->st_mtime;
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buffer->st_ctime = buffer->st_mtime;
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}
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//treat as an error
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else
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{
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//errno = ENOENT;
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return(-1);
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}
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}
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else
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{
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/* File is found*/
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SYSTEMTIME SystemTime;
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FILETIME LocalFTime;
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//Time of last modification
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if(!FileTimeToLocalFileTime( &findbuf.ftLastWriteTime, &LocalFTime) ||
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!FileTimeToSystemTime(&LocalFTime, &SystemTime))
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{
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//errno = ::GetLastError();
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FindClose( findhandle );
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return( -1 );
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}
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buffer->st_mtime = wceex_local_to_time(&SystemTime);
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//Time od last access of file
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if(findbuf.ftLastAccessTime.dwLowDateTime || findbuf.ftLastAccessTime.dwHighDateTime)
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{
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if(!FileTimeToLocalFileTime(&findbuf.ftLastAccessTime, &LocalFTime) ||
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!FileTimeToSystemTime(&LocalFTime, &SystemTime))
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{
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//errno = ::GetLastError();
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FindClose( findhandle );
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return( -1 );
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}
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buffer->st_atime = wceex_local_to_time(&SystemTime);
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}
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else
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{
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buffer->st_atime = buffer->st_mtime;
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}
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//Time of creation of file
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if(findbuf.ftCreationTime.dwLowDateTime || findbuf.ftCreationTime.dwHighDateTime)
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{
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if(!FileTimeToLocalFileTime(&findbuf.ftCreationTime, &LocalFTime) ||
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!FileTimeToSystemTime(&LocalFTime, &SystemTime))
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{
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//errno = ::GetLastError();
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FindClose( findhandle );
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return( -1 );
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}
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buffer->st_ctime = wceex_local_to_time(&SystemTime);
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}
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else
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{
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buffer->st_ctime = buffer->st_mtime;
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}
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//close handle
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FindClose(findhandle);
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}
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//file mode
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buffer->st_mode = __wceex_get_file_mode(filename, findbuf.dwFileAttributes);
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//file size
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buffer->st_size = findbuf.nFileSizeLow;
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//drive letter 0
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buffer->st_rdev = buffer->st_dev = 0;
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//set the common fields
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buffer->st_gid = 0;
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buffer->st_ino = 0;
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buffer->st_uid = 0;
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//1 dla nlink
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buffer->st_nlink = 1;
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return 0;
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}
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/*******************************************************************************
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* Return mode of file.
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********************************************************************************/
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/* Test path for presence of slach at the end. */
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#define IS_SLASH(a) ((a) =='\\' || (a) == '/')
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#define __DOSMODE_MASK 0xff
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static unsigned short __wceex_get_file_mode(const char* filename, int attr)
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{
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unsigned short file_mode;
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unsigned mode;
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const char *p;
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mode = attr & __DOSMODE_MASK;
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/* XXX - mloskot - remove it */
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if ((p = filename)[1] == ':')
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p += 2;
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/* Check to see if this is a directory. */
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file_mode = (unsigned short)
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(((IS_SLASH(*p) && !p[1]) || (mode & FILE_ATTRIBUTE_DIRECTORY) || !*p)
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? S_IFDIR | S_IEXEC : S_IFREG);
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/* Check if attribute byte does have read-only bit, otherwise it is read-write. */
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file_mode |= (mode & FILE_ATTRIBUTE_READONLY) ? S_IREAD : (S_IREAD | S_IWRITE);
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/* See if file appears to be executable by the extension. */
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if (p = strrchr(filename, '.'))
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{
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if (!_stricmp(p, ".exe") ||
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!_stricmp(p, ".cmd") ||
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!_stricmp(p, ".bat") ||
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!_stricmp(p, ".com"))
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file_mode |= S_IEXEC;
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}
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/* Propagate user read/write/execute bits to group/other fields. */
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file_mode |= (file_mode & 0700) >> 3;
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file_mode |= (file_mode & 0700) >> 6;
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return(file_mode);
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}
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