file.c

自己近期写的一个串口通信的小程序

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

void test()
{

FILE *stream;
int numread,numwritten,k,mark1;

char buf[100]="set 192.168.1.105:255.255.255.0,192.168.2.105:255.255.255.0,0";
char wbuf[200];
char *bp;
char *wp;

char para[100];
char gpara[200];
char *pa;
char *gp;

char temp[20];

char writ1[]="[network1]";
char writ2[]="\n[network2]";
char writ3[]="\n[canconfig]";
char show1[]="\n ip = ";
char show2[]="\n mask = ";
char show3[]="\n id = ";

char writ0[]="answer ";

	/*if( NULL != (ini  = fopen( "boot.ini", "r" )) )
    {
  printf( "File  opened\n" ); 
fclose(ini);
}
else
{
	printf( "File could not be opened\n" );
}*/

if( NULL != (stream  = fopen( "boot.ini", "r" )) )
{
     printf( "File(read)  opened\n" ); 
     
     numread=fread(gpara,sizeof(char),180,stream);
     printf( "Number of items read = %d\n", numread );
     printf( "Contents of buffer = %.125s\n", gpara );



     /*格式转换*/
     /*  [network1]
          ip = 192.168.24.105
          mask = 255.255.255.0
         [network2]
          ip = 192.168.25.105
          mask = 255.255.255.0
         [canconfig]
          id = 0

		  answer 192.168.1.105:255.255.255.0,192.168.2.105:255.255.0,1\0
	 */
       fclose( stream );
}
else
     printf( "File could not be opened\n" );




if((stream = fopen( "boot.ini", "w" )) != NULL)
{
	    printf( "File(write)  opened\n" ); 
		//write格式处理
		bp=buf;
		wp=wbuf;
        
		bp=bp+3;
    	while((*bp)==' ')
			bp++;
		if((*bp)!=' ')
	    {
			strcpy(wp,writ1);
			//get network1 ip
			k=0;
			while((*bp)!=':')
			{
				temp[k]=*bp;
				k++;
				bp++;
			}
			bp++;
			temp[k]='\0';
			k=0;
			strcat(wp,show1);
			strcat(wp,temp);

            //get network1 mask
            while((*bp)!=',')
            {
				temp[k]=*bp;
				k++;
				bp++;
			}
			bp++;
			temp[k]='\0';
			k=0;
			strcat(wp,show2);
            strcat(wp,temp);

            strcat(wp,writ2);
			//get network2 ip
			while((*bp)!=':')
			{
				temp[k]=*bp;
				k++;
				bp++;
			}
			bp++;
			temp[k]='\0';
			k=0;
            strcat(wp,show1);
			strcat(wp,temp);

            //get network2 mask
            while((*bp)!=',')
            {
				temp[k]=*bp;
				k++;
				bp++;
			}
			bp++;
			temp[k]='\0';
			k=0;
			strcat(wp,show2);
            strcat(wp,temp);

            strcat(wp,writ3);
			//get canconfig id
			while((*bp)!='\0')
			{
				temp[k]=*bp;
				k++;
				bp++;
			}
			temp[k]=*bp;
			temp[k]='\0';
			k=0;
			strcat(wp,show3);
            strcat(wp,temp);         

		}	
		
		numwritten = fwrite( wbuf, sizeof( char ), 180, stream );
        printf( "Wrote %d items\n", numwritten );
      // set 192.168.1.105:255.255.255.0,192.168.2.105:255.255.0,0 
        

        fclose( stream );

}
else
       printf( "Problem opening the file\n" );




if( NULL != (stream  = fopen( "boot.ini", "r" )) )
{
     printf( "read the writed file\n" ); 
     
     numread=fread(gpara,sizeof(char),180,stream);
     printf( "Number of items read = %d\n", numread );
     printf( "Contents of buffer = %.150s\n", gpara );

	 /*read 格式处理*/
     pa=para;
	 gp=gpara;
	 strcpy(pa,writ0);
     k=0;
	 mark1=0;
	 while((*gp)!='\0')
	 {
		 gp++;
		 if((*gp)=='.')
		 {
			 temp[k]=*gp;
			 k++;
		 }

		 if(mark1==1)
		 {
			 if((*gp)>='0'&&(*gp)<='9')
			 {
			 temp[k]=*gp;
			 k++;
		     }

		 }

		 if(*gp=='m')
		 {
             temp[k]=':';
			 temp[k+1]='\0';
			 strcat(pa,temp);
			 k=0;
		 }

		 if(*gp=='=')
			 mark1=1;

		 if(*gp=='[')
		 {
			 temp[k]=',';
			 temp[k+1]='\0';
			 strcat(pa,temp);
			 k=0;
			 mark1=0;
		 }

	 }
	 temp[k]=*gp;
	 strcat(pa,temp);

	 printf( "Contents of final  = %s\n", para );

     /*格式转换*/
     /*  [network1]
          ip = 192.168.24.105
          mask = 255.255.255.0
         [network2]
          ip = 192.168.25.105
          mask = 255.255.255.0
         [canconfig]
          id = 0
	 */
       fclose( stream );
}
else
     printf( "File could not be opened\n" );



}