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  1. #include <stdio.h>
  2. #include <stdarg.h>
  3.  
  4. int varfun(int i, ...);
  5.  
  6. int main()
  7. {
  8. 		printf("Expected=2; answer=%d\n", varfun(1,2));
  9.         printf("Expected=5; answer=%d\n", varfun(1,2,3,4,5));
  10.         printf("Expected=5; answer=%d <--- it's broken\n", varfun(1,2,-3,4,5));
  11.         return 0;
  12. }
  13.  
  14. int varfun(int n_args, ...)
  15. {
  16.         va_list ap;
  17.         int i, t, k;
  18.         k = 1;
  19.         va_start(ap, n_args);
  20.         for(i=0;i <= va_arg(ap, int);i++){
  21.                k+=1;
  22.         }
  23.         va_end(ap);
  24.         return k;
  25. }
Success #stdin #stdout 0s 2156KB
comments (?)
stdin
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Standard input is empty
stdout
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Expected=2; answer=2
Expected=5; answer=5
Expected=5; answer=2 <--- it's broken
https://ideone.com/C0u2kB
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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