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User:Remark/dec-flipbook.c: Difference between revisions

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Line 36: Line 36:
    
    
   FILE* f = fopen(argv[1], "rb");
   FILE* f = fopen(argv[1], "rb");
   if(f == NULL)
   if(!f)
   PERR("fopen");
   PERR("fopen");
  
  
   int len = fsize(f);
   int len = fsize(f);
   char* buf = malloc(len);
   //char* buf = malloc(len);
   if(buf == NULL)
  char* buf = (char*) malloc(len);
   if(!buf)
  {
  fclose(f);
   PERR("malloc");
   PERR("malloc");
  }
    
    
   if(fread(buf,len,1,f) != 1)
   if(fread(buf,len,1,f) != 1)
  {
  fclose(f);
  free(buf);
   PERR("fread");
   PERR("fread");
  }
    
    
   int i;
   int i;
Line 54: Line 62:
    
    
   FILE* fout = fopen(argv[2], "wb+");
   FILE* fout = fopen(argv[2], "wb+");
   if(fout == NULL)  
   if(!fout)  
  {
  fclose(f);
  free(buf);
   PERR("fopen");
   PERR("fopen");
  }
  
  
   if(fwrite(buf, len, 1, fout) != 1)
   if(fwrite(buf, len, 1, fout) != 1)
  {
  fclose(f);
  free(buf);
  fclose(fout);
   PERR("fwrite");
   PERR("fwrite");
    
   }
    
    
   free(buf);
   free(buf);
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