从日志中得到http开头的网址
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简单的一个版本：
#include "windows.h"#include "string.h"#include "stdio.h"//void Query_http_From_File(char * filename);int main(){ HANDLE hFile1,hFile2; char * logfile = "f39937634fd1190448bf74ccef2bf59e.log"; char * log = "log.log"; if(( hFile1= CreateFile(logfile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL)) == INVALID_HANDLE_VALUE) { printf( "文件1打开失败！/n" ); return 0; }/* if(( hFile2= CreateFile(log, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_FLAG_WRITE_THROUGH, NULL)) == INVALID_HANDLE_VALUE) { printf( "文件2打开失败！/n" ); return 0; }*/ int filesize = GetFileSize(hFile1,NULL); char * pBuffer; DWORD RSize; DWORD WSize;// char aaa[500000];// char * aaa; pBuffer = (char *)malloc(filesize); ReadFile(hFile1,pBuffer,filesize,&RSize,NULL); // char * HttpHead = "http:\\\\"; for(int i=0; i<filesize-10;i++){ if(*pBuffer==104 && *(pBuffer+1)==116 && *(pBuffer+2)==116 && *(pBuffer+3)==112 && *(pBuffer+4)==58 && *(pBuffer+5)==47 && *(pBuffer+6)==47 && *(pBuffer+7)>96 && *(pBuffer+7)<123){// strchr(pBuffer,' ');// strcpy(aaa,pBuffer);// strncpy(aaa,pBuffer,strchr(pBuffer,' ')-pBuffer);// stpcpy(aaa,pBuffer);// int j = strlen(aaa); hFile2= CreateFile(log, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if(hFile2 != INVALID_HANDLE_VALUE){ SetFilePointer(hFile2,0, NULL, FILE_END); // DWORD j = DWORD(strchr(pBuffer,' '))-DWORD(pBuffer);// (void*)strchr(pBuffer,' ') - (void*)pBuffer// Sleep(10);//对比下，指针相减的问题// WriteFile(hFile2,pBuffer,strchr(pBuffer,' ') - pBuffer,&WSize,NULL); WriteFile(hFile2,pBuffer,(strchr(pBuffer,' ') - pBuffer)/sizeof(byte),&WSize,NULL); SetFilePointer(hFile2,0, NULL, FILE_END); const char * line = "\n"; WriteFile(hFile2,line,1,&WSize,NULL); FlushFileBuffers(hFile2); CloseHandle(hFile2); } } pBuffer += 1; } CloseHandle(hFile1);// CloseHandle(hFile2); return 1;}/*参考CreateFile用法和例子http://blog.csdn.net/cocolovelove/article/details/3481958字符串函数http://www.cnljh.com/clib/string/strcpy.html*/改进1：（调用函数，关于插入一个换行加Enter字符还没弄好）
#include "windows.h"#include "string.h"#include "stdio.h"int Query_http_From_File(char * filename1,char * filename2);int main(){char * logfile = "f39937634fd1190448bf74ccef2bf59e.log";char * log = "log.log";Query_http_From_File(logfile,log);return 1;}int Query_http_From_File(char * logfile,char * log){HANDLE hFile1,hFile2;if((hFile1= CreateFile(logfile,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_FLAG_SEQUENTIAL_SCAN,NULL)) == INVALID_HANDLE_VALUE){printf( "文件1打开失败！/n" );return 0;}int filesize = GetFileSize(hFile1,NULL);char * pBuffer;DWORD RSize;DWORD WSize;pBuffer = (char *)malloc(filesize);ReadFile(hFile1,pBuffer,filesize,&RSize,NULL);for(int i=0; i<filesize-10;i++){if(*pBuffer==104 && *(pBuffer+1)==116 && *(pBuffer+2)==116 && *(pBuffer+3)==112 && *(pBuffer+4)==58 && *(pBuffer+5)==47&& *(pBuffer+6)==47&& *(pBuffer+7)>96&& *(pBuffer+7)<123){hFile2= CreateFile(log,GENERIC_WRITE,FILE_SHARE_WRITE,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);if(hFile2 != INVALID_HANDLE_VALUE){SetFilePointer(hFile2,0, NULL, FILE_END); WriteFile(hFile2,pBuffer,(strchr(pBuffer,' ') - pBuffer)/sizeof(byte),&WSize,NULL); SetFilePointer(hFile2,0, NULL, FILE_END); const char * line = "\n";WriteFile(hFile2,line,1,&WSize,NULL);FlushFileBuffers(hFile2);CloseHandle(hFile2);}}pBuffer += 1;}CloseHandle(hFile1);return 1;}/*参考CreateFile用法和例子http://blog.csdn.net/cocolovelove/article/details/3481958字符串函数http://www.cnljh.com/clib/string/strcpy.html*/改进二 （换行 \n 回车\r 00表示NULL 20表示空格 关注内存指针的减）
#include "windows.h"#include "string.h"#include "stdio.h"void Query_http_From_File(char * filename1,char * filename2);int main(){ char * logfile = "007c98cf854e7117f368caaea3ef2506.log"; char * log = "log.txt"; Query_http_From_File(logfile,log); return 1;}void Query_http_From_File(char * logfile,char * log){ HANDLE hFile1,hFile2; if(( hFile1= CreateFile(logfile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL)) == INVALID_HANDLE_VALUE) { printf( "文件1打开失败！/n" );// return 0; } int filesize = GetFileSize(hFile1,NULL); char * pBuffer; DWORD RSize; DWORD WSize; pBuffer = (char *)malloc(filesize); ReadFile(hFile1,pBuffer,filesize,&RSize,NULL); for(int i=0; i<filesize-10;i++){ if(*pBuffer==104 && *(pBuffer+1)==116 && *(pBuffer+2)==116 && *(pBuffer+3)==112 && *(pBuffer+4)==58 && *(pBuffer+5)==47 && *(pBuffer+6)==47 && *(pBuffer+7)>96 && *(pBuffer+7)<123){ hFile2= CreateFile(log, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if(hFile2 != INVALID_HANDLE_VALUE){ SetFilePointer(hFile2,0, NULL, FILE_END); // WriteFile(hFile2,pBuffer,(strchr(pBuffer,' ') - pBuffer),&WSize,NULL); // WriteFile(hFile2,pBuffer,(strchr(pBuffer,' ') - (char *)pBuffer)/sizeof(byte),&WSize,NULL); // WriteFile(hFile2,pBuffer,(strchr(pBuffer,NULL) - (char *)pBuffer)/sizeof(byte),&WSize,NULL); //此处注意 WriteFile(hFile2,pBuffer,(strchr(pBuffer,NULL) - pBuffer)/sizeof(byte),&WSize,NULL); SetFilePointer(hFile2,0, NULL, FILE_END); const char * line = "\r\n"; WriteFile(hFile2,line,2,&WSize,NULL); FlushFileBuffers(hFile2); CloseHandle(hFile2); } } pBuffer += 1; } CloseHandle(hFile1);// return 1;}/*参考CreateFile用法和例子http://blog.csdn.net/cocolovelove/article/details/3481958字符串函数http://www.cnljh.com/clib/string/strcpy.html*/- 从日志中得到http开头的网址
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