Linux 获取CPU和内存的大小

// BasicFunc.cpp: implementation of the CBasicFunc class. // ////////////////////////////////////////////////////////////////////// #include <stdio.h> #include <ctype.h> #include <string.h> #include <stdlib.h> #include "BasicFunc.h" ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CBasicFunc::CBasicFunc() { } CBasicFunc::~CBasicFunc() { } bool CBasicFunc::XIsGraph(char c) { return (c < 0 ||isgraph(c)); } bool CBasicFunc::XIsSectionGraph( char c ) { return (c < 0 ||(isgraph(c) && c != '[' && c != ']')); } bool CBasicFunc::IsHeadEquals(const char *lpszLeft, const char *lpszRight) { bool bRet = false; const char *szStart = strstr(lpszLeft, lpszRight); const char *szSStart = (char*)lpszLeft, *szEStart = NULL; if (szStart != NULL) { szEStart = szStart + strlen(lpszRight); for (;szSStart < szStart;szSStart ++) { if (XIsGraph(*szSStart) && *szSStart != '[') { return false; } } for (;(*szEStart) != '\0'&&(*szEStart) != '=' && (*szEStart) != ':'; szEStart ++) { if (XIsGraph(*szEStart) && *szEStart != ']') { return false; } } bRet = true; } return bRet; } bool CBasicFunc::IsHeadChar(const char *lpszLine,char cHead, char **pHead) { char *strStart = (char*)lpszLine; *pHead = NULL; for (; !XIsGraph(*strStart); strStart ++) { } if (XIsGraph(*strStart)) { *pHead = strStart; } return *strStart == cHead; } int CBasicFunc::TrimString(char *szDest, int nLen, char *szSrc) { //Remove All Invisible chars. int nRet = 0, nDestIndex = 0; char *szTempStart = szSrc, *szTempEnd = szSrc + strlen(szSrc) - 1; //forward for (;!XIsGraph(*szTempStart);szTempStart ++); //afterward for (;!XIsGraph(*szTempEnd);*szTempEnd = '\0', szTempEnd --); //take out the data if (szTempEnd >= szTempStart) { if (nLen > szTempEnd - szTempStart + 1) { nLen = szTempEnd - szTempStart + 1; }else nLen --; if (szDest != NULL) { memcpy(szDest, szTempStart, nLen); } } return nRet; } int CBasicFunc::TrimStringWithoutCopy(char *szSrc) { char *strStart = szSrc, *strEnd = szSrc + strlen(szSrc) - 1, *strTemp = szSrc; for (; !XIsGraph(*strEnd); *strEnd = '\0', strEnd--); for (; !XIsGraph(*strStart); strStart ++); for (; strStart <= strEnd; *strTemp = *strStart, strStart ++, strTemp++); for (;strTemp <= strEnd; *strTemp = '\0', strTemp ++); return 0; } unsigned long CBasicFunc::ChangeContentUnitLevel( unsigned long ulSrc, ContentUnitLevel cuSrc, ContentUnitLevel cuDest ) { if (cuSrc > cuDest) { ulSrc = ulSrc<<(cuSrc - cuDest) * 10; }else if (cuSrc < cuDest) { ulSrc = ulSrc>>(cuDest - cuSrc) * 10; } return ulSrc; } int CBasicFunc::ChangeToContent( const char *lpszSrc, Content *pContent ) { bool bHz = false, bByteLevel = false; char szUnit[10] = {0}; sscanf( lpszSrc, "%f %s", &(pContent->lSize), szUnit); TrimStringWithoutCopy(szUnit); switch(szUnit[0]) { case 'B': case 'b': pContent->culLevel = B; pContent->cutType = Byte; bByteLevel = true; break; case 'H': case 'h': pContent->culLevel = B; pContent->cutType = Hz; bByteLevel = true; bHz = true; break; case 'K': case 'k': pContent->culLevel = K; break; case 'M': case 'm': pContent->culLevel = M; break; case 'G': case 'g': pContent->culLevel = G; break; default: return -1; } if (!bByteLevel) { switch(szUnit[1]) { case 'H': case 'h': pContent->cutType = Hz; break; default: pContent->cutType = Byte; break; } } return 0; } int CBasicFunc::ChangeToString( Content *pContent, char *strDest ) { char szBuffer[32] = {0}; switch (pContent->culLevel ) { case M: if (pContent->cutType == Hz) { sprintf(strDest, "%.2f MHz", pContent->lSize); }else { sprintf(strDest, "%.2f Mb", pContent->lSize); } break; case K: if (pContent->cutType == Hz) { sprintf(strDest, "%.2f KHz", pContent->lSize); }else { sprintf(strDest, "%.2f Kb", pContent->lSize); } break; case B: if (pContent->cutType == Hz) { sprintf(strDest, "%.2f Hz", pContent->lSize); }else { sprintf(strDest, "%.2f b", pContent->lSize); } break; case G: if (pContent->cutType == Hz) { sprintf(strDest, "%.2f GHz", pContent->lSize); }else { sprintf(strDest, "%.2f Gb", pContent->lSize); } break; default: return -1; } return 0; }