一段切割文件的源码，一段重写的日志记录源码 继续散分
先贴切割文件的
cutfile.h:

C/C++ code

//cutfile.h#ifndef __CUT_FILE_H__#define __CUT_FILE_H__#include <stdio.h>#include <stdlib.h>#include <string.h>//#define EXPORT __declspec(dllexport)#define SIZE_4M 1024*4096#define MAXBUF 32767typedef struct _cfhead{    unsigned int count;    unsigned int blocklen;    char filename[MAXBUF];} cfhead;extern size_t getfilesize(FILE *f);extern int cutfile(char *filename,unsigned int len);extern int pastefile(char *filename,char *nname);#endif

cutfile.c

C/C++ code

#include "cutfile.h"#define __DEBUG__size_t getfilesize(FILE *f){    size_t oldpos;    size_t newpos;    if(f == NULL)    {        perror("f is NULL\r\n");        return -1;    }    oldpos = ftell(f);    fseek ( f , 0 , SEEK_END );    newpos = ftell(f);    fseek(f,oldpos,SEEK_SET);        return newpos;}int cutfile(char *filename,unsigned int len){    FILE *src;    FILE *dst;    FILE *inf;    size_t size;    int ret;    char tmp[16];    char newfile[MAXBUF];    char *pbuff;    int i;    cfhead head;        src = fopen(filename,"rb");    size = getfilesize(src);    i = 1;    pbuff = (char*)malloc(len);    while(1)    {        strcpy(newfile,filename);        strcat(newfile,".part.");        strcat(newfile,itoa(i,tmp,10));        ret = fread(pbuff,1,len,src);        if(ret == 0)        {            break;        }        dst = fopen(newfile,"wb+");        fwrite(pbuff,1,ret,dst);        fclose(dst);        i++;    }    head.count = i;    head.blocklen = len;    memset(head.filename,0,MAXBUF);    strcpy(head.filename,filename);        strcpy(newfile,filename);    strcat(newfile,".fni");        inf = fopen(newfile,"wb+");    fwrite(&head,1,sizeof(head),inf);    fclose(inf);        free(pbuff);    fclose(src);            return 0;}int pastefile(char *filename,char *nname){    FILE *f;    FILE *ff;    cfhead head;    size_t i;    unsigned int len;    char newfile[MAXBUF];    char *pbuff;    size_t ret;    char tmp[16];        f = fopen(filename,"rb");    ff = fopen(nname,"wb+");    fread(&head,1,sizeof(cfhead),f);    fclose(f);        pbuff = (char*)malloc(head.blocklen);    memset(pbuff,0,head.blocklen);    for(i = 1; i < head.count; i++)    {        strcpy(newfile,head.filename);        strcat(newfile,".part.");        strcat(newfile,itoa(i,tmp,10));        f = fopen(newfile,"rb");        ret = fread(pbuff,sizeof(char),head.blocklen,f);        fclose(f);        if(ret == 0)        {            break;        }        fwrite(pbuff,1,ret,ff);    }        free(pbuff);    fclose(ff);    return 0;}int main(int argc,char **argv){    if(argc != 2)    {        printf("args error!\r\n");        return -1;    }    cutfile(argv[1],SIZE_4M);    pastefile(strcat(argv[1],".fni"),"newfile");    return 0;}

代码经过VC2008、gcc测试均无问题

再贴改良过的simlog:

C/C++ code

//simlog.h#ifndef __SIMLOG_H__#define __SIMLOG_H__#include <stdio.h>#include <string.h>#include <stdlib.h>#include <time.h>#define MAXBUF 256#define BLOCKLEN 32#define TIMELEN 32typedef struct _simblock{    char leave[BLOCKLEN];    char value[BLOCKLEN];    char time[BLOCKLEN];} simblock;typedef struct _simlog{    int pos;    int max;    simblock **blocks;    char path[256];} simlog;extern simlog* createlog(char *path,unsigned int m);extern int add2log(simlog *sl,simblock *block);extern int compareline(char *line,simblock *block);extern simlog* loadlog(char *path);extern int savelog(simlog *log);extern void freelog(simlog *log);#endif 
 

C/C++ code

//simlog.c#include "simlog.h"simlog* createlog(char *path,unsigned int m){    simlog *log;    log = (simlog*)malloc(sizeof(simlog));    log->max = m == 0? 255 : m;    log->pos = 0;    strcpy(log->path,path);    log->blocks = (simblock**)malloc(log->max * sizeof(simblock*));        return log;}simblock* createblock(){    simblock *b;    b = (simblock*)malloc(sizeof(simblock));    memset(b,0,sizeof(simblock));    return b;}//char * trim(char * src)//{//         int i = 0;//         char *begin = src;//         while(src[i] != '\0'){//                if(src[i] != ' '){//                      break;//                }else{//                      begin++;//                }//               i++;//         }//          for(i = strlen(src)-1; i >= 0;  i--){//                        if(src[i] != ' '){//                      break;//                }else{//                      src[i] = '\0';//                }//         }//         return begin;//}char *trim(const char *str){        static char line[MAXBUF];        const char *pbegin;        char *p,*pend;        pbegin=str;        while (*pbegin==' ')                pbegin++;               p=line;        while (*p=*pbegin){                if ((*p==' ')&&(*(p-1)!=' '))                        pend=p;                p++;pbegin++;               }        if (*(p-1)!=' ') pend=p;        *pend=0;        return line;}int getnow(char *timestr){    static time_t rawtime;    static struct tm * timeinfo;    static size_t len;        if(timestr == NULL)    {        return -1;    }    time ( &rawtime );    timeinfo = (struct tm*)localtime ( &rawtime );    strcpy(timestr,asctime(timeinfo));    timestr[strlen(timestr) - 1] = '\0';    //len = strlen(timestr) + 1;    //timestr[len - 2] = 0;    return 0;}int compareline(char *line,simblock *block){    char *pch;    if(line == NULL || block == NULL)    {        return -1;    }    pch = strtok (line,"[]");    strcpy(block->leave,pch);    pch = strtok (NULL, "[]");    strcpy(block->value,pch);    strcpy(block->value,trim(block->value));    pch = strtok (NULL, "[]");    strcpy(block->time,pch);        return 0;}int add2log(simlog *sl,simblock *block){        if(sl == NULL || block == NULL)    {        perror("sl is NULL or block is NULL");        return -1;    }        if(sl->pos >= (sl->max - 2))    {        sl->max *= 2;        sl->blocks = realloc(sl->blocks,sl->max * sizeof(char *));    }        sl->blocks[sl->pos++] = block;        return 0;}simlog* loadlog(char *path){    FILE *f;        char str[MAXBUF];    int i;    int count;    simlog *sl;    simblock *block;    f = fopen(path,"rb");    fscanf(f,"%*s %d%*s\r\n",&count);    sl = createlog(path,count * 2);    for(i = 0; i < count; i++)    {        memset(str,0,MAXBUF);        fgets(str,MAXBUF,f);        block = createblock();        compareline(str,block);        add2log(sl,block);    }    return sl;    //f    return 0;}int savelog(simlog *sl){    FILE *f;    int i;    f = fopen(sl->path,"wb+");    fprintf(f,"[LOGS %d]\r\n",sl->pos);    for(i = 0; i < sl->pos; i++)    {        fprintf(f,"[%s] %s [%s]\r\n",                                sl->blocks[i]->leave,                                sl->blocks[i]->value,                                sl->blocks[i]->time);    }    fclose(f);    return 0;}void freelog(simlog *sl){    int i;    if(sl == NULL)    {        return ;    }        for(i = 0; i < sl->pos; i++)    {        free(sl->blocks[i]);            }        free(sl);    sl = NULL;    return ;}int main(){//    char buff[32];    int i;    simblock *block;    simlog *mylog;// = createlog("mytest.log",255);    simlog *mylog2;    //创建    mylog = createlog("mytest.log",255);    for(i = 0; i < 500; i++)    {        //添加500条记录        block = createblock();        getnow(block->time);        strcpy(block->leave,"SYSLOG");        strcpy(block->value,"testlog");        add2log(mylog,block);    }//    mylog = loadlog("mytest.log");//    strcpy(mylog->path,"c");    //保存和析构    savelog(mylog);    freelog(mylog);        mylog2 = loadlog("mytest.log");    strcpy(mylog2->path,"myc.log");    savelog(mylog2);    freelog(mylog2);    return 0;} 
 

[解决办法]
没事闲来接分
[解决办法]
厉害。。mark
[解决办法]
怎么啦？
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还是apache的logrotate写的好啊
[解决办法]
楼主加油 。不错。
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好高啊！

楼主多给我点分行吗？我要到3个小三角了。
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接分
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路过接分
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学习，接点分
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楼主多给我点分
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接楼主的银子
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没太仔细看代码，

切割文件有没有这些功能：
有的文件有头信息，
切割的时候，
给每个部分都加上自己的头，比如切bmp文件，
[解决办法]
jf
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接分。
实现的功能算比较简单。
[解决办法]
jf
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jf 顺便帮忙顶一下
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呵呵~~来接分……
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jf~~~