学步园

/*<br /> #include <stdio.h><br /> #include <stdlib.h></p> <p>#ifndef SAFE_FREE<br /> #define SAFE_FREE(p) if(p) { free(p); p = NULL; }<br /> #endif</p> <p>#ifdef __cplusplus<br /> extern "C" {<br /> #endif</p> <p>int GetFileSize(const char* szFileName, unsigned long* pulFileSize);<br /> int ReadDataFromFile(const char* szFileName, unsigned char* pbData, unsigned long ulDataSize);<br /> char* ReadAllDataFromFile(const char* szFileName);<br /> char* ReadAllDataFromFileEx(const char* szFileName, int flag_sz);<br /> int WriteDataToFile(const char* szFileName, const unsigned char* pbData, unsigned long ulDataSize);</p> <p>#ifdef __cplusplus<br /> }<br /> #endif<br /> */</p> <p>//------------------------------------------------------------------------<br /> // GetFileSize()<br /> // - 获取文件的长度<br /> // szFileName - 文件名<br /> // pulFileSize - 返回的文件的长度（单位：字节）<br /> //------------------------------------------------------------------------<br /> int GetFileSize(const char* szFileName, unsigned long* pulFileSize)<br /> {<br /> FILE *fp = fopen(szFileName, "rb");<br /> if ( fp )<br /> {<br /> fseek(fp, 0, SEEK_END);<br /> *pulFileSize = ftell(fp);<br /> fclose(fp);<br /> return 0;<br /> }<br /> return -1;<br /> }</p> <p>//------------------------------------------------------------------------<br /> // ReadDataFromFile()<br /> // - 获取文件中指定长度的数据内容<br /> // szFileName - 文件名<br /> // pbData - 返回的数据内容<br /> // ulDataSize - 数据的长度（单位：字节）<br /> //------------------------------------------------------------------------<br /> int ReadDataFromFile(const char* szFileName, unsigned char* pbData, unsigned long ulDataSize)<br /> {<br /> unsigned long ulReadedSize = 0;<br /> FILE *fp = fopen(szFileName, "rb");<br /> if ( fp )<br /> {<br /> ulReadedSize = (unsigned long)fread(pbData, 1, ulDataSize, fp);<br /> fclose(fp);<br /> return ( ulReadedSize == ulDataSize ) ? 0 : -1;<br /> }<br /> return -1;<br /> }</p> <p>//------------------------------------------------------------------------<br /> // ReadAllDataFromFile()<br /> // - 获取文件中所有内容<br /> // szFileName - 文件名<br /> //------------------------------------------------------------------------<br /> char* ReadAllDataFromFile(const char* szFileName)<br /> {<br /> unsigned long ulFileSize = 0;<br /> if ( 0 == GetFileSize(szFileName, &ulFileSize) )<br /> {<br /> char* pbBuffer = (char*)malloc(ulFileSize);<br /> if ( 0 == ReadDataFromFile(szFileName, (unsigned char*)pbBuffer, ulFileSize) )<br /> {<br /> return pbBuffer;<br /> }<br /> else<br /> {<br /> free(pbBuffer);<br /> return NULL;<br /> }<br /> }<br /> return NULL;<br /> }</p> <p>#define FLAG_SZ_END_WITH_ZERO 1<br /> #define FLAG_SZ_END_WITHOUT_ZERO 0</p> <p>//------------------------------------------------------------------------<br /> // ReadAllDataFromFileEx()<br /> // - 获取文件中所有内容，并且可选择是否以'/0'结尾<br /> // szFileName - 文件名<br /> // flag_sz - 是否以'/0'结尾。0：否；1：是<br /> //------------------------------------------------------------------------<br /> char* ReadAllDataFromFileEx(const char* szFileName, int flag_sz)<br /> {<br /> unsigned long ulFileSize = 0;<br /> if ( 0 == GetFileSize(szFileName, &ulFileSize) )<br /> {<br /> char* pbBuffer = NULL;<br /> if ( 1 == flag_sz )<br /> {<br /> pbBuffer = (char*)malloc(ulFileSize+1);<br /> }<br /> else<br /> {<br /> pbBuffer = (char*)malloc(ulFileSize);<br /> }</p> <p> if ( 0 == ReadDataFromFile(szFileName, (unsigned char*)pbBuffer, ulFileSize) )<br /> {<br /> if ( 1 == flag_sz )<br /> {<br /> pbBuffer[ulFileSize] = '/0';<br /> }<br /> return pbBuffer;<br /> }<br /> else<br /> {<br /> free(pbBuffer);<br /> return NULL;<br /> }<br /> }<br /> return NULL;<br /> }</p> <p>//------------------------------------------------------------------------<br /> // WriteDataToFile()<br /> // - 保存数据到文件<br /> // szFileName - 文件名<br /> // pbData - 要保存的数据<br /> // ulDataSize - 数据的长度（单位：字节）<br /> //------------------------------------------------------------------------<br /> int WriteDataToFile(const char* szFileName, const unsigned char* pbData, unsigned long ulDataSize)<br /> {<br /> unsigned long ulWritedSize = 0;<br /> FILE *fp = fopen(szFileName, "wb");<br /> if ( fp )<br /> {<br /> ulWritedSize = (unsigned long)fwrite(pbData, 1, ulDataSize, fp);<br /> fclose(fp);<br /> return ( ulWritedSize == ulDataSize ) ? 0 : -1;<br /> }<br /> return -1;<br /> }<br />

//------------------------------------------------------------------------<br /> // PutTextToClipbrd()<br /> // - 放入文本内容到剪贴板<br /> // strText - 文本内容<br /> //------------------------------------------------------------------------<br /> HRESULT PutTextToClipbrd(CString strText)<br /> {<br /> HGLOBAL hGlobal=NULL;<br /> char *szBuf=NULL;</p> <p> if( OpenClipboard(NULL) )<br /> {<br /> EmptyClipboard();<br /> hGlobal = GlobalAlloc(GHND, strText.GetLength()+1);<br /> szBuf = (char*)GlobalLock(hGlobal);<br /> strcpy(szBuf, LPCSTR(strText));<br /> GlobalUnlock(hGlobal);<br /> SetClipboardData(CF_TEXT, hGlobal);<br /> CloseClipboard();<br /> return S_OK;<br /> }<br /> return E_FAIL;<br /> }</p> <p>//------------------------------------------------------------------------<br /> // GetTextFromClipbrd()<br /> // - 获取剪贴板中的文本<br /> // strText - 返回的文本内容<br /> //------------------------------------------------------------------------<br /> HRESULT GetTextFromClipbrd(CString& strText)<br /> {<br /> if ( OpenClipboard(NULL) )<br /> {<br /> HANDLE hData = GetClipboardData(CF_TEXT);<br /> char* szBuf = (char*)GlobalLock(hData);<br /> strText = szBuf;<br /> GlobalUnlock(hData);<br /> CloseClipboard();<br /> return S_OK;<br /> }<br /> return E_FAIL;<br /> }<br />