updatetime.c

查找替换字符并加入修改时间

/*================================================================
/*@This program is for find the key_word,and then get the system time     
/*@paste the system at the end of the key_word                                             
/*@the params needed are the SRCfilename,Objfilename,and the key_word
==================================================================*/
/*head files*/  
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define DEFSETING 0
#define USRSETING 1
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>  //C head files 


//int argc,char *argv[]

int main( )

{

	/*values define*/
	FILE *fpSRC=NULL;

	FILE *fpOBJ=NULL;
	FILE *fpparam = NULL;

	int param = 0;
	int linenum=0;
	int num = 0;
	int keystr_len;
	int i = 0;
	 char linestr[256] = {0};
	 char wtmp[256] = {0};
	 char *timestr;	 
	 //char *replacestr = NULL;
	 char *linetmp = NULL;
	 char SRCfilename[64];
	 char Objfilename[64];
	 char key_word[64];
	char line[64];
	 char *pfind = NULL;
	char *pnext = NULL;
	 char *timetmp = NULL;
	// char *params[3] = {NULL};

	 
	 
	/*======================get currunt time begin===========================*/
	
	printf("version mamager:\n");
	time_t timep;
	struct tm *p;
	time(&timep);
	p=localtime(&timep); /*ȡ�õ���ʱ��*/
	printf("%d.%d.%d ", (1900+p->tm_year),(1+p->tm_mon), p->tm_mday);
	printf("%d:%d:%d\n",p->tm_hour, p->tm_min, p->tm_sec);

	time_t now;    //ʵ����time_t�ṹ
	struct tm  *timenow;    //ʵ����tm�ṹָ��
	time(&now);//time������ȡ���ڵ�ʱ��(���ʱ�׼ʱ���DZ���ʱ��)��Ȼ����ֵ��now
	timenow = localtime(&now);//localtime�����Ѵ�timeȡ�õ�ʱ��now�������������е�ʱ��(���������õĵ���)
	printf("Local time is %s\n",asctime(timenow));//�Ͼ���asctime������ʱ��ת�����ַ���ͨ��printf()��������
	timestr = asctime(timenow);

	/*======================get currunt time end===========================*/
	
	
	
	/*======================read the params from user==================*/
	

	
	printf("checking user config...\n");
if((fpparam=fopen("params.txt","r"))!=NULL)
	while(fgets(line,100,fpparam))
	{
			line[strlen(line)-1]='\0';//add a flag of string end
			if(!memcmp("SRCfilename",line,strlen("SRCfilename")))//if find username
			{
			
			//memcpy(SRCfilename, (line+sizeof("SRCfilename")+1),(sizeof(SRCfilename)-2));
			strcpy(SRCfilename,(line+sizeof("SRCfilename")+1));
			SRCfilename[strlen(SRCfilename)-1] = '\0';
			printf("source file name is:%s\n",SRCfilename);
			continue;
			}
			if(!memcmp("Objfilename",line,strlen("Objfilename")))
			{
			//memcpy(Objfilename,(line+sizeof("Objfilename")+1),sizeof(Objfilename));
			strcpy(Objfilename,(line+sizeof("Objfilename")+1));
			Objfilename[strlen(Objfilename)-1] = '\0';
			printf("objece file name is: %s\n",Objfilename);
			continue;
			}
			if(!memcmp("key_word",line,strlen("key_word")))
			{
			memcpy(key_word,(line+sizeof("key_word")+1),sizeof(key_word));
			printf("key_word is :%s\n",key_word);
			break;
			}
	}

fclose(fpparam);

		/*========================configure demo sample=========================

    SRCfilename="d:\\updatetime.c";
	
	Objfilename = "d:\\updatetimeN.c";	

	key_word="#define USRSETING ";

	

	/*========================configure the params end=========================*/	
	
	

	if((fpOBJ=fopen(Objfilename,"wr"))==NULL)//���ó�׷��������ʽ����

	{
		printf("open file error!\n");
		return 0;
	}

	else
	{	
		printf("open Objfilename file succed!\n");
	}



	if((fpSRC=fopen(SRCfilename,"rw"))==NULL)

	{
		printf("open Source file error!\n"); 
		return 0;
	}
	
	else
	{
		while (!feof(fpSRC))
			{
  			   fgets(linestr,256,fpSRC);

			  // printf("read a line \n%s\n",linestr);
					linenum+=1; //��������
					linetmp = linestr;
				
				
         /*============find the sting in this line ,and deal with it if there is the keyword preset existed== begin=======*/

	       keystr_len = strlen (key_word);
		   timetmp = timestr;
	
		pfind = strstr (linetmp,key_word);
		
		if(pfind!=NULL)
	    
		{
           		 pnext = pfind + keystr_len;
		
			*pnext='(';
			pnext++;
			strcpy(pnext,timetmp);
			pnext[strlen(timetmp)-1]=')';
			pnext[strlen(timetmp)]='\n';
			pnext[strlen(timetmp)+1]='\0';
         }
		 
		 
               /*============find the sting in this line ,and deal with it if there is the keyword preset existed== end========*/
		 


                /*============write the new line to the tmp file========*/
              
                   	 fputs(linetmp,fpOBJ);
                 	fflush(fpOBJ);
					
			}

			printf ("total line is%d\n",linenum);

	}

fclose(fpSRC);
fclose(fpOBJ);
//system("pause");
return 0;

}