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Do not report file input rewind if nothing was read repeatedly. #22

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Feb 23, 2024
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Do not report file input rewind if nothing was read repeatedly. #22

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8 changes: 8 additions & 0 deletions libdieharder/rng_file_input.c
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,14 @@ static void file_input_set (void *vstate, unsigned long int s);
uint file_input_get_rewind_cnt(gsl_rng *rng)
{
file_input_state_t *state = (file_input_state_t *) rng->state;

/*
* End of file was reached, but nothing was read yet (repeatedly).
* Do not report file rewind yet.
*/
if (state->rewind_cnt > 0 && state->rptr == 0)
return state->rewind_cnt - 1;

return state->rewind_cnt;
}

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