{"id":227,"date":"2009-10-12T12:13:44","date_gmt":"2009-10-12T04:13:44","guid":{"rendered":"http:\/\/115.29.108.60\/?p=227"},"modified":"2011-09-26T21:39:40","modified_gmt":"2011-09-26T13:39:40","slug":"%e6%8e%a8%e8%8d%90%e7%9a%84%e5%ad%97%e7%ac%a6%e5%92%8c%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%a4%84%e7%90%86%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/115.29.108.60\/?p=227","title":{"rendered":"\u63a8\u8350\u7684\u5b57\u7b26\u548c\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u5f0f"},"content":{"rendered":"

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\u5f00\u59cb\u5c06\u6587\u672c\u5b57\u7b26\u4e32\u60f3\u8c61\u4e3a\u5b57\u7b26\u7684\u6570\u7ec4\uff0c\u800c\u4e0d\u662fchar\u6216\u5b57\u8282\u7684\u6570\u7ec4\u3002<\/p>\n

\u4e3a\u6587\u672c\u5b57\u7b26\u548c\u5b57\u7b26\u4e32\u4f7f\u7528\u6cdb\u578b\uff08\u6bd4\u5982TCHAR\/PTSTR\uff09\u3002<\/p>\n

\u4e3a\u5b57\u8282\u3001\u5b57\u8282\u6307\u9488\u548c\u6570\u636e\u7f13\u51b2\u533a\u4f7f\u7528\u663e\u5f0f\u6570\u636e\u7c7b\u578b\uff08BYTE\u548cPBYTE\uff09 \u3002<\/p>\n

\u4e3aliteral\u5b57\u7b26\u548c\u5b57\u7b26\u4e32\u4f7f\u7528TEXT\u6216_T\u5b8f\uff0c\u4f46\u4e3a\u4e86\u4fdd\u6301\u4e00\u81f4\u6027\u548c\u66f4\u597d\u7684\u53ef\u8bfb\u6027\uff0c\u8bf7\u907f\u514d\u4e24\u8005\u6df7\u7528\u3002<\/p>\n

\u6267\u884c\u5168\u5c40\u66ff\u6362\u3002\uff08\u4f8b\u5982\uff0c\u7528PTSTR\u66ff\u6362PSTR\uff09\u3002<\/p>\n

\u4fee\u6539\u5b57\u7b26\u4e32\u7b97\u672f\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u51fd\u6570\u7ecf\u5e38\u5e0c\u671b\u4f60\u4f20\u7ed9\u5b83\u7f13\u51b2\u533a\u7684\u5b57\u7b26\u6570\uff0c\u800c\u4e0d\u662f\u5b57\u8282\u6570\u3002\u8fd9\u610f\u5473\u7740\u4f60\u5e94\u8be5\u4f20\u5165_countof(szBuffer)\uff0c\u800c\u4e0d\u662fsizeof(szBuffer)\u3002\u800c\u4e14\uff0c\u5982\u679c\u9700\u8981\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5206\u914d\u4e00\u4e2a\u5185\u5b58\u5757\uff0c\u800c\u4e14\u77e5\u9053\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u6570\uff0c\u90a3\u4e48\u8bb0\u4f4f\u5185\u5b58\u662f\u4ee5\u5b57\u8282\u6765\u5206\u914d\u7684\u3002\u8fd9\u610f\u5473\u7740\u4f60\u5fc5\u987b\u8c03\u7528malloc(nCharacters * sizeof(TCHAR))\uff0c\u800c\u4e0d\u662f\u8c03\u7528malloc(nCharacters)\u3002\u5728\u524d\u9762\u5217\u51fa\u7684\u6240\u6709\u57fa\u672c\u51c6\u5219\u4e2d\uff0c\u8fd9\u662f\u6700\u96be\u8bb0\u4f4f\u7684\u4e00\u6761\uff0c\u800c\u4e14\u5982\u679c\u51fa\u9519\uff0c\u7f16\u8bd1\u5668\u4e0d\u4f1a\u63d0\u4f9b\u4efb\u4f55\u8b66\u544a\u6216\u9519\u8bef\u4fe1\u606f\u3002\u6240\u4ee5\uff0c\u6700\u597d\u5b9a\u4e49\u4e00\u4e2a\u5b8f\u6765\u907f\u514d\u72af\u9519\uff1a<\/p>\n

#define chmalloc(nCharacters) (TCHAR*)malloc(nCharacters * sizeof(TCHAR)).<\/p>\n

\u907f\u514d\u4f7f\u7528printf\u7cfb\u7684\u51fd\u6570\uff0c\u5c24\u5176\u662f\u4e0d\u8981\u7528%s\u548c%S\u5b57\u6bb5\u7c7b\u578b\u6765\u8fdb\u884cANSI\u4e0e\u5b57\u7b26\u4e32\u7684\u76f8\u4e92\u8f6c\u6362\u3002\u6b63\u786e\u7684\u505a\u6cd5\u662f\u4f7f\u7528MultiByteToWideChar\u548cWideCharToMultiByte\u51fd\u6570\uff0c\u8be6\u60c5\u53c2\u89c1\u540e\u9762\u7684\u201cUnicode\u4e0eANSI\u5b57\u7b26\u4e32\u8f6c\u6362\u201d\u4e00\u8282\u3002<\/p>\n

UNICODE\u548c_UNICODE\u7b26\u53f7\u8981\u4e48\u90fd\u6307\u5b9a\uff0c\u8981\u4e48\u4e00\u4e2a\u90fd\u4e0d\u6307\u5b9a\u3002<\/p>\n

\u5bf9\u4e8e\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\uff0c\u5e94\u8be5\u9075\u5faa\u4ee5\u4e0b\u57fa\u672c\u51c6\u5219\uff1a<\/p>\n

\u59cb\u7ec8\u4f7f\u7528\u5b89\u5168\u7684\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\uff0c\u6bd4\u5982\u90a3\u4e9b\u540e\u7f00\u4e3a_s\u7684\uff0c\u6216\u8005\u524d\u7f00\u4e3aStringCch\u7684\u3002\u540e\u8005\u4e3b\u8981\u5728\u4f60\u60f3\u660e\u786e\u63a7\u5236\u622a\u65ad\u7684\u65f6\u5019\u4f7f\u7528\uff1b\u5982\u679c\u4e0d\u60f3\u660e\u786e\u63a7\u5236\u622a\u65ad\uff0c\u5219\u9996\u9009\u524d\u8005\u3002<\/p>\n

\u4e0d\u8981\u4f7f\u7528\u4e0d\u5b89\u5168\u7684C\u8fd0\u884c\u5e93\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\uff08\u53c2\u89c1\u524d\u9762\u7684\u5efa\u8bae\uff09\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4f60\u4f7f\u7528\u6216\u5b9e\u73b0\u7684\u4efb\u4f55\u7f13\u51b2\u533a\u5904\u7406\u4f8b\u7a0b\u90fd\u5fc5\u987b\u83b7\u53d6\u76ee\u6807\u7f13\u51b2\u533a\u7684\u957f\u5ea6\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u6570\u3002C\u8fd0\u884c\u5e93\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7f13\u51b2\u533a\u5904\u7406\u66ff\u4ee3\u51fd\u6570\uff0c\u6bd4\u5982memcpy_s\uff0cmemmove_s\uff0cwmemcpy_s\u6216wmemmove_s\u3002\u53ea\u8981\u5b9a\u4e49\u4e86__STDC_WANT_SECURE_LIB__\u7b26\u53f7\uff0c\u6240\u6709\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u662f\u53ef\u7528\u7684\uff1bCrtDefs.h\u9ed8\u8ba4\u5b9a\u4e49\u4e86\u6b64\u7b26\u53f7\u3002\u6240\u4ee5\uff0c\u4e0d\u8981\u5bf9_STDC_WANT_SECURE_LIB__\u8fdb\u884cundef\u3002<\/p>\n

\u5229\u7528\/GS (http:\/\/msdn2.microsoft.com\/en-us\/library\/aa290051(VS.71).aspx<\/a>)\u548c\/RTCs\u7f16\u8bd1\u5668\u6807\u5fd7\u6765\u81ea\u52a8\u68c0\u6d4b\u7f13\u51b2\u533a\u6ea2\u51fa\u3002<\/p>\n

\u4e0d\u8981\u7528Kernel32\u65b9\u6cd5\u6765\u8fdb\u884c\u5b57\u7b26\u4e32\u5904\u7406\uff0c\u6bd4\u5982lstrcat\u548clstrcpy\u3002<\/p>\n

\u5728\u6211\u4eec\u7684\u4ee3\u7801\u4e2d\uff0c\u9700\u8981\u8981\u6bd4\u8f83\u4e24\u79cd\u5b57\u7b26\u4e32\u3002\u5176\u4e2d\uff0c\u7f16\u7a0b\u7c7b\u7684\u5b57\u7b26\u4e32\u5305\u62ec\u6587\u4ef6\u540d\u3001\u8def\u5f84\u3001XML\u5143\u7d20\/\u5c5e\u6027\u4ee5\u53ca\u6ce8\u518c\u8868\u9879\/\u503c\u7b49\u7b49\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u5b57\u7b26\u4e32\uff0c\u5e94\u4f7f\u7528CompareStringOrdinal\u6765\u8fdb\u884c\u6bd4\u8f83\u3002\u56e0\u4e3a\u5b83\u975e\u5e38\u5feb\uff0c\u800c\u4e14\u4e0d\u4f1a\u8003\u8651\u7528\u6237\u7684\u533a\u57df\u8bbe\u7f6e\u3002\u8fd9\u662f\u5b8c\u5168\u5408\u7406\u7684\uff0c\u56e0\u4e3a\u4e0d\u7ba1\u7a0b\u5e8f\u5728\u4e16\u754c\u4e0a\u7684\u4ec0\u4e48\u5730\u65b9\u8fd0\u884c\uff0c\u8fd9\u79cd\u5b57\u7b26\u4e32\u90fd\u662f\u4e0d\u53d8\u7684\u3002\u7528\u6237\u5b57\u7b26\u4e32\u5219\u4e00\u822c\u8981\u5728\u7528\u6237\u754c\u9762\u4e0a\u663e\u793a\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u5b57\u7b26\u4e32\uff0c\u5e94\u4f7f\u7528CompareString(Ex)\u6765\u6bd4\u8f83\uff0c\u56e0\u4e3a\u5728\u6bd4\u8f83\u5b57\u7b26\u4e32\u7684\u65f6\u5019\uff0c\u5b83\u4f1a\u8003\u8651\u7528\u6237\u7684\u533a\u57df\u8bbe\u7f6e\u3002<\/p>\n

\u4f60\u522b\u65e0\u9009\u62e9\uff1a\u4f5c\u4e3a\u4e13\u4e1a\u5f00\u53d1\u4eba\u5458\uff0c\u57fa\u4e8e\u4e0d\u5b89\u5168\u7684\u7f13\u51b2\u533a\u5904\u7406\u51fd\u6570\u6765\u5199\u4ee3\u7801\u662f\u4e0d\u5141\u8bb8\u7684\u3002\u6b63\u662f\u8fd9\u4e2a\u539f\u56e0\uff0c\u672c\u4e66\u6240\u6709\u4ee3\u7801\u90fd\u662f\u4f7f\u7528C\u8fd0\u884c\u5e93\u4e2d\u7684\u8fd9\u4e9b\u66f4\u5b89\u5168\u7684\u51fd\u6570\u6765\u5199\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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