gistfile1.c

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

int power (int m,int i)
{
  int j,sum=1;
  if(i==0)
    return 1;
  else if(i==1)
    return m;
  else
    {
      for(j=0;j<I;j++)
        sum*=m;
    }
  return sum;
}

int decimal(char *a)
{
  int i=0;sum=0;m,p;
  p=strlen(a);
  while(a[i]!=’\0’)
    { 
      if(a[i]=48 && a[i]<=57)
         m=a[i]-48;
      if(a[i]>=65 && a[i]<=70)
        m=a[i]-55;
      sum+=(m*power(16,p-1));
      p--;
      i++;
    }
  return sum;
}

void main()
{
  char a[300][3],str[100],lo[25],s[25],name1[25],name2[25],s1[25],len[25];
  int I,j,l,q,z,c=0,flag,ato,loc,..strloc..,cnt,max,space;
  FILE *f;
  for(i=0;i<300;i++)
    strcpy(a[i],”XX”);
  f=fopen(“source.txt”,”r”);
  fscanf(f,”%s”,str);
  for(j=2;j<8;j++)
    {
      if(str[j] !=’ ‘)
        name1[c++]=str[j];
    }
  name1[c]=’\0’;
  c=0;
  
  for(j=9;j<15;j++)
    s1[c++]=str[j];
  s1[c]=’\0’;
  strloc=decimal(s1); 
  c=0;
  for(j=16;j<22;j++)
    len[c++]=str[j];
  len[c]=’\0’;
  max=decimal(len);
  
  printf(“Enter the name of the program:”);
  scanf(“%s”,name2);
  printf(“Enter the available memory space:”);
  scanf(“%d”,space);
  
  if(!strcmp(name1,name2))
    { 
      do
        {
          fscanf(f,”%s”,str);
          if(str[0]==’E’)
            goto a;
          j=0;
          flag=0;
          z=1=0;
          cnt=0;
          do
            {
              if(!flag)
                {
                  flag++;
                  j=2;
                  do
                    {
                      lo[l++]=str[j];
                    }while(str[++j]!=’^’);
                  lo[1]=’\0’;
                  loc=decimal(lo);
                  cnt=loc-strloc;
                  j=12; // j is set to 12 here
                }
              
              /*
              z=0;
              do
                {
                  s[z++]=str[j];
                }while(str[++j]!=’\0’); // like this
              s[z]=’\0’;
              j++;
              */
              
              for(i=0;i<3;i++)
                {
                  a[cnt][0]=str[j++];
                  a[cnt++][1]=str[j++];
                }
            }while(str[j]!=’\0’);
        }while(!feof(f));
    a:
      printf(“\n%X\t”,strloc);
      for(i=0,c=0;i<300;++c) 
        {
          printf(“%s”,a[i]);
          if(c==4)
            {
              printf(“ “);
              c=0;
            }
            ++i;
          if(i%16==0)
            {
              strloc+=16;
              printf(“\n%X\t”,strloc);
            }
        }
      else
        printf(“CANNOT LOAD THE GIVEN FILE”);
      fclose(f);
    }

                          
Source:
-SOURCE.txt

H^SAMPLE^21^001000
T^001015^12^1C1012^0C1018^00101B^181012^0C101E
T^001032^03^454F46
E^001000


Output:

Enter the program name:SAMPLE
Enter the available memory:100
1000                XXXXXXXX        XXXXXXXX        XXXXXXXX
1010                XXXXXXXX        XX1C1012        0C101800
1020                120C101E        XXXXXXXX        XXXXXXXX
1030                XXXX454F        46