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  1. int List::backup()    {
  2.     FILE *fp;
  3.  
  4.     if( (fp = fopen(FILE_NAME, "wb") ) == NULL )
  5.         return 1;
  6.  
  7.     int i;
  8.     Node *dummy;
  9.  
  10.     fwrite(&members, sizeof(members), 1, fp);
  11.     for(i = 0, dummy = list; i < members; i++, dummy = dummy->next)
  12.         fwrite(dummy, sizeof(Node), 1, fp);
  13.  
  14.     fclose(fp);
  15.     return 0;
  16. }
  17.  
  18. int List::load()   {
  19.     FILE *fp;
  20.  
  21.     if( (fp = fopen(FILE_NAME, "rb")) == NULL )
  22.         return 1;
  23.  
  24.     int i;
  25.     Node *dummy;
  26.  
  27.     fread(&members, sizeof(members), 1, fp);
  28.     list = dummy;
  29.  
  30.     for(i = 0; i < members; i++, dummy = dummy->next)   {
  31.         dummy = new Node;
  32.         fread(dummy, sizeof(Node), 1, fp);
  33.     }
  34.  
  35.     return 0;
  36. }
  37.  
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https://ideone.com/zPzvy
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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