Fossil

/*
** Find the length of a string as long as that length does not
** exceed N bytes.  If no zero terminator is seen in the first
** N bytes then return N.  If N is negative, then this routine
** is an alias for strlen().
*/
static int StrNLen32(const char *z, int N){
  int n = 0;
  while( (N-- != 0) && *(z++)!=0 ){ n++; }
  return n;
}


/*

        bufpt = buf;
        break;
      case etPATH: {
        int i;
        int limit = flag_alternateform ? va_arg(ap,int) : -1;
        char *e = va_arg(ap,char*);
        if( e==0 ){e="";}
        length = StrNLen32(e, limit);
        zExtra = bufpt = malloc(length+1);
        for( i=0; i<length; i++ ){
          if( e[i]=='\\' ){
            bufpt[i]='/';
          }else{
            bufpt[i]=e[i];
          }
        }
        bufpt[length]='\0';
        break;
      }
      case etSTRING:
      case etDYNSTRING: {
        int limit = flag_alternateform ? va_arg(ap,int) : -1;
        bufpt = va_arg(ap,char*);
        if( bufpt==0 ){
          bufpt = "";
        }else if( xtype==etDYNSTRING ){
          zExtra = bufpt;
        }
        length = StrNLen32(bufpt, limit);
        if( precision>=0 && precision<length ) length = precision;
        break;
      }
      case etBLOB: {
        int limit = flag_alternateform ? va_arg(ap, int) : -1;
        Blob *pBlob = va_arg(ap, Blob*);
        bufpt = blob_buffer(pBlob);