C语言 字符串操作

两个功能
1. 注释 #define USE_FILE
   执行的是字符串替换功能
2. 不注释 #define USE_FILE
   执行的是文件中的字符串解析（分割）功能
其中字符串替换 使用 void strReplace(char* source, char* sub, char* rep);

该文档留作备用

#include<stdlib.h>
#include<stdio.h>
#include <string.h>

//#define USE_FILE

#ifdef USE_FILE
#define CHILLI_CONFIG "./test.txt"
#endif
void strReplace(char* source, char* sub, char* rep)
{
    char* src = source;
    char* temp= strstr(source,sub);
    char end_result[256]="";
    char *result = NULL;

    temp = strstr(source,sub);
    if(temp)
    {
        result = malloc( sizeof(char *) * (strlen(source) + strlen(rep)) );
        strcpy(end_result,rep);
        strcpy(result,temp+strlen(sub));
        strReplace(result,sub,rep);
        strcat(end_result,result);
        source[strlen(source) - strlen(temp)] = '\0';
        strcpy(result,source);
        strcat(result,end_result);
        strcpy(source,result);
        free(result);
    }
}



int strOperate(char *str)
{
#ifdef USE_FILE
    FILE *fd;
    char seps[] = ";\n";
#else
    char seps[] = ",\n";
#endif
    char buffer[256] = {0};
    int IsFind=0;

    char name[32] = {0};
    char value[256] = {0};

    char ddd[]="*.brasiltelecom.com.br,*.fon.com,ssl.google-analytics.com,fon-en.custhelp.com,
*.telemar.com.br,maps.gstatic.com,maps.google.com,!wifi.fon.com,a4.g.akamai.net,access.skype.com,
*.paypal.com,*.paypalobjects.com,*.clickandbuy.com,mpsnare.iesnare.com,*.verisign.com,crl.comodoca.com,
*.oi.net.br,*.ezconet.com.br,*.zendesk.com,gg.google.com,mt.l.google.com,mt0.google.com,mt1.google.com,
ocsp.comodoca.com,ocsp.usertrust.com,*.oi.com.br,*.ig.com.br,*.btfon.com,*.nintendowifi.net,a248.e.akamai.net,*.wii.com,*.ss.*.com";

    char cmd[256] = "uamallowed ";



    char *token ;
    int i = 0;
#ifdef USE_FILE
    if((fd=fopen(CHILLI_CONFIG,"r"))==NULL)
    {
        return 0;
    }

    while(fgets(buffer, 256, fd))
    {
         if( strlen(buffer) > 1 )
         {
            token = strtok( buffer, seps );
#else
            token = strtok( ddd, seps );
#endif
            //printf("!^wifi.fon.com$\n");
            while( token != NULL )
            {

#ifdef USE_FILE
                sprintf(cmd,"uamallowed %s",token);
                //strcat(cmd,token);
                //strcat(cmd,"\n");
#else
                char *tempString = NULL;
                tempString = malloc(strlen(token) * sizeof(char *) );
                strcpy(tempString,token);
                strReplace( tempString , "*." , "(.*\\.)?" );
                if( tempString[0] == '!')
                {
                    sprintf(cmd,"!^%s$",tempString);
                }
                else
                {
                    sprintf(cmd,"^%s$",tempString);
                }
                free(tempString);
                i++;
#endif
                printf("%s\n",cmd);
                token = strtok( NULL, seps );
            }
#ifdef USE_FILE
         }
    }

    fclose(fd);

    printf("\n\n\n\n",CHILLI_CONFIG);
#endif
    return IsFind;
}

int main(void)
{
    char *str1="START_CHILLI=1";
    int t1=0,t2=0;
    strOperate(str1);
    return 0;
}

test.txt

213.134.44.0/23,www.paypal.com,www.paypalobjects.com;paypal.112.2o7.net;202.232.239.16/28,203.180.85.64/26,173.203.47.186;www.delta.fon.com,shop.delta.fon.com,maps.delta.fon.com;www.sandbox.paypal.com,sandbox.paypal.com,developer.paypal.com