FILEIO.C
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:2k
源码类别:
Windows编程
开发平台:
Visual C++
- /*
- * FILEIO.C
- *
- * Functions for low-level reading and writing of .COS files.
- *
- * Functions:
- * FCosFileRead, FCosFileWrite
- *
- * Copyright(c) Microsoft Corp. 1992-1994 All Rights Reserved
- * Win32 version, January 1994
- */
- #include <windows.h>
- #include "cosmo.h"
- /*
- * FCosFileRead
- *
- * Purpose:
- * Reads a Cos file into the POLYLINE structure pointed to by lppl.
- * Clears pGlob->fDirty on success.
- *
- * Parameters:
- * pGlob LPGLOBALS to the global variable block.
- * pszFile LPSTR of the filename to read.
- * lppl LPPOLYLINE to the structure to fill.
- *
- * Return Value:
- * BOOL TRUE if the file was successfully read,
- * FALSE otherwise.
- */
- BOOL WINAPI FCosFileRead(LPGLOBALS pGlob, LPSTR pszFile, LPPOLYLINE lppl)
- {
- int hFile;
- OFSTRUCT of;
- UINT cb;
- hFile=OpenFile(pszFile, &of, OF_READ);
- if (-1==hFile)
- return FALSE;
- cb=_lread(hFile, (LPSTR)lppl, CBPOLYLINE);
- _lclose(hFile);
- if (CBPOLYLINE==cb && VERSIONMAJOR==lppl->wVerMaj
- && VERSIONMINOR==lppl->wVerMin)
- {
- pGlob->fDirty=FALSE;
- return TRUE;
- }
- return FALSE;
- }
- /*
- * FCosFileWrite
- *
- * Purpose:
- * Writes a Cos file into the POLYLINE structure pointed to by lppl.
- * Clears pGlob->fDirty.
- *
- * Parameters:
- * pGlob LPGLOBALS to the global variable block.
- * pszFile LPSTR of the filename to read.
- * lppl LPPOLYLINE to the structure to write from.
- *
- * Return Value:
- * BOOL TRUE if the file was successfully written,
- * FALSE otherwise.
- */
- BOOL WINAPI FCosFileWrite(LPGLOBALS pGlob, LPSTR pszFile, LPPOLYLINE lppl)
- {
- int hFile;
- OFSTRUCT of;
- UINT cb;
- hFile=OpenFile(pszFile, &of, OF_CREATE | OF_WRITE);
- if (-1==hFile)
- return FALSE;
- cb=_lwrite(hFile, (LPSTR)lppl, CBPOLYLINE);
- _lclose(hFile);
- if (CBPOLYLINE==cb)
- {
- pGlob->fDirty=FALSE;
- return TRUE;
- }
- return FALSE;
- }