smbsstring.c

一个用于银行视频联播网中客户端广告机的网络通信部分

#include "SmBsString.h"

  int SubStringV3(const char * OriString,const char * StartToken, const char * EndToken, const int MaxNewStringfLenth,char NewString[])
 {
      char * BeginIndex;
      char * EndIndex;
      char * tempIndex;
      int TotalLength,NewStringLength,StartTokenLength,EndTokenLength; 
      int i;
      
      *NewString = '\0';
      /*Check total length*/
      TotalLength = strlen(OriString );
      if ( TotalLength == 0 ) return ERROR_LENGTHISZERO;
      
      /*Check start token length*/
      StartTokenLength = strlen(StartToken );
      if ( StartTokenLength == 0 ) return ERROR_LENGTHISZERO;
      
      /*Check endtoken length*/
      EndTokenLength = strlen(EndToken );
      if ( EndTokenLength == 0 ) return ERROR_LENGTHISZERO;
      
      
      /*Check exist of the token*/
      BeginIndex =   strstr(OriString, StartToken);
      if ( BeginIndex == NULL )   return ERROR_LENGTHISZERO;
      
       /*Check exist of the token*/
       tempIndex =  (char *)(BeginIndex + StartTokenLength);
      EndIndex =   strstr(tempIndex, EndToken);
      if ( EndIndex == NULL ) return ERROR_LENGTHISZERO;
     
      /*Check exist of the token*/
      
      /*printf( " BeginIndex = %u\r\n",BeginIndex);
            printf( " EndIndex = %u\r\n",EndIndex);
                  printf( " TotalLength = %d\r\n",TotalLength);
                        printf( " EndIndex - BeginIndex = %u\r\n",EndIndex - BeginIndex);*/
     if(! ( BeginIndex < EndIndex && EndIndex - BeginIndex <  TotalLength  ) )return ERROR_LENGTHINVALID;

     /*check the maxium of the buffer*/
     NewStringLength =   EndIndex -   BeginIndex - StartTokenLength ; 
     if ( NewStringLength + 1 >   MaxNewStringfLenth ) return  ERROR_EXCESSMAXLENGTH;
     
    /*Copy new string*/
     for ( i =  0; i < NewStringLength; i ++)
     {
          NewString[i] =   *(BeginIndex  + StartTokenLength + i );
     } 
     
     NewString[i] =   '\0';                                                                          
     
     return 0;        
     
 } 
 
 
 
 
 
 void strLeftTrim( char buffer[] )
 {             
     char * ori, * des;
     ori = buffer;
     des = buffer;         
     
     /*Find pre blank*/
     while ( *ori != '\0' )
     {
         if ( *ori != ' ')  break;         
         ori ++;
   }
     
     /*Copy the left chars*/
    while ( *ori != '\0' )
     {    
         *des = * ori;
         des++;
         ori ++;
   }
   *des = '\0';   
 }
 
  void strRightTrim( char buffer[] )
 {
          
     char * ori, *des;
     int length;
     
     ori = buffer;
     des = buffer;
     /*Move to the finnal */
     length = strlen( buffer );
     ori = buffer +   length - 1;
         
     while ( ori >= des )
     {
         if ( *ori != ' ')  break;         
         ori --;
   }
     
    if ( (int) ori > (int)buffer )
     {    
        *(ori + 1) = '\0';
   }
   else
   {
       *buffer = '\0';        
   }
   return;
 }
 
 void strTrim(char buffer[])
 {
     char * bori,*eori, *des;
     int length,count;
     
     bori = buffer;
     while ( *bori != '\0' )
     {
         if ( *bori != ' ')  break;         
         bori ++;
     }
   
     /*Move to the finnal */
     length = strlen( buffer );
     eori = buffer +   length - 1;
         
     while ( eori >= bori )
     {
         if ( *eori != ' ')  break;         
         eori --;
     }
    
     count = 0; 
     while ( eori >= bori )
     {
         buffer[count++] = *bori;    
         bori ++;
     }
   buffer[count] ='\0';
 }
  
void BsItoa(const int value,char Buffer[])
{
int count ;
int i;
char temp[20];
char zero;
int curvalue;
curvalue =  value;
zero = '0';
count = 0;
if(value==0)
{
	Buffer[0]='0';
       Buffer[1]='\0';
}
while ( curvalue > 0 )
{       
i =  curvalue % 10    ;
curvalue = ( curvalue - i )/10;
temp[count++] = zero + i;    
}

for ( i = 0; i < count ; i ++)
{ 
Buffer[i] = temp[count - i -1];    
}
   
Buffer[count] = '\0';
return; 
}

int BsAtoU(char * ValueString)
{
int count ;
int length;
char zero,nine;
char tempchar[128];
int rtv;
int right ;
int i;

zero = '0';
nine = '9';

length = strlen(ValueString);
strcpy(tempchar,ValueString);

strLeftTrim(tempchar);
strRightTrim(tempchar);
length = strlen(tempchar);

rtv = 0;
right = 10;
for ( i = 0; i < length ; i ++)
{ 
 if ( tempchar[i] < zero ||  tempchar[i] > nine ) return -1;  
 rtv = rtv * right + tempchar[i] - zero;  
}
 
 return rtv;
}
  /*把字串转换成整形*/
int Str_to_int(const char * ValueString)
{
int count ;
int length;
char zero,nine;
char tempchar[128];
int rtv;
int right ;
int i;

zero = '0';
nine = '9';

length = strlen(ValueString);
strcpy(tempchar,ValueString);

strLeftTrim(tempchar);
strRightTrim(tempchar);

length = strlen(tempchar);

rtv = 0;
right = 10;
for ( i = 0; i < length ; i ++)
{ 
 if ( tempchar[i] < zero ||  tempchar[i] > nine ) return -1;  
 rtv = rtv * right + tempchar[i] - zero;  
}
 
 return rtv;
}
int my_strchr(char str[],char str1[],char ch)
{
 int i,count=0,len=0;
memset(str1,0,sizeof(str1));
 while(*str==(char*)NULL)
 	return (-1);
 while(*str&&*str!=ch)
 	{
 	*str1++=*str++;
	count++;
 	}
  *str1='\0';
  return count;
}

int getmark(char buf[],char ch)
{
  int count=0,len=0;
  while(*buf==(char*)NULL)
  	return;
  len=strlen(buf);
  while(len>0)
  	{
	 if(*buf==ch)
	 	count++;
	  *buf++;
	 len--;
  	}
  return count;
}
void Copy_String(char buf1[],char buf2[],int len)
{
 strcpy(buf2,(buf1+len+1));
 memset(buf1,0,sizeof(buf1));
 strcpy(buf1,buf2);
 memset(buf2,0,sizeof(buf2));
 return;
}
void Read_to_File( char *filename,char buf[],int mode)
{
  FILE *fp=NULL;
  if(mode==0){
  	if((fp=fopen(filename,"wb+"))==NULL){
		perror("file0 open!");
  		}
 }else if(mode==1){
       if((fp=fopen(filename,"ab+"))==NULL)
	   	perror("file1 open!");
  	fprintf(fp,"%s,",buf);
  	}
 else if(mode==2){
      if((fp=fopen(filename,"ab+"))==NULL)
	  	perror("file2 open!");
	 fprintf(fp,"<%s>\r\n",buf);
 }
 else if(mode==3){
   if((fp=fopen(filename,"wb+"))==NULL)
   	 perror("file3 open!");
        fprintf(fp,"%s",buf);
 }
 else if(mode==4){
    if((fp=fopen(filename,"ab+"))==NULL)
	perror("file4 open!");
    fprintf(fp,"%s\r\n",buf);
 }
 else if(mode==5){
if((fp=fopen(filename,"ab+"))==NULL)
	perror("file5 open!");
fprintf(fp,"[%s]",buf);
 }
  fclose(fp);
  return ;
}
void getpath(char buff[],int maxnum,char pathname[])
{
strTrimlf(buff);
pathname[0]='/';
pathname[1]=buff[0];
pathname[2]=buff[1];
pathname[3]=buff[2];
pathname[4]=buff[3];
pathname[5]='/';
pathname[6]=buff[4];
pathname[7]=buff[5];
pathname[8]='/';
pathname[9]='\0';
strcat(pathname,buff);
if(maxnum<strlen(pathname))
	return;
return;
}
#if 1
 void strTrimlf(char buffer[])
 {
     char * bori,*eori, *des;
     int length,count;
     
     bori = buffer;
     while ( *bori != '\0' )
     {
         if ( *bori != ' ')  break;         
         bori ++;
     }
   
     /*Move to the finnal */
     length = strlen( buffer );
     eori = buffer +   length - 1;
         
     while ( eori >= bori )
     {
         if ( *eori != ' ')  break;         
         eori --;
     }
    
     count = 0; 
     while ( eori >= bori )
     {
         buffer[count++] = *bori;    
         bori ++;
     }
   buffer[count] ='\0';
 }
 #endif
    int  FileGetLine(FILE *fp, char *buffer, int maxlen)
    {
	int  i, j; 
	char ch1; 
	
	for(i = 0, j = 0; i < maxlen; j++) 
	{ 
		if(fread(&ch1, sizeof(char), 1, fp) != 1) 
		{ 
			if(feof(fp) != 0) 
			{ 
				if(j == 0) return -1;    
				else break; 
			} 
			if(ferror(fp) != 0) return -2;       
			return -2; 
		} 
		else 
		{ 
			if(ch1 == '\n' || ch1 == 0x00) break; 
			if(ch1 == '\f' || ch1 == 0x1A)       
			{ 
				buffer[i++] = ch1; 
				break; 
			} 
			if(ch1 != '\r') buffer[i++] = ch1;  
		} 
	} 
	buffer[i] = '\0'; 
	return i; 
}