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-rw-r--r--src/stateful.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/stateful.c b/src/stateful.c
index 501db45..0b607bc 100644
--- a/src/stateful.c
+++ b/src/stateful.c
@@ -50,7 +50,7 @@ xtract_last_n_state *xtract_last_n_state_new(size_t N)
last_n_state->ringbuf = ringbuf_new(N * sizeof(double));
- if (last_n_state->ringbuf)
+ if (last_n_state->ringbuf == NULL)
{
perror("could not allocate memory for xtract_last_n_state->ringbuf");
}
@@ -66,7 +66,6 @@ void xtract_last_n_state_delete(xtract_last_n_state *last_n_state)
int xtract_last_n(const xtract_last_n_state *state, const double *data, const int N, const void *argv, double *result)
{
- double *current = (double *)argv;
size_t N_bytes = N * sizeof(double);
if (N_bytes != ringbuf_capacity(state->ringbuf))
@@ -75,7 +74,7 @@ int xtract_last_n(const xtract_last_n_state *state, const double *data, const in
return XTRACT_BAD_STATE;
}
- ringbuf_memcpy_into(state->ringbuf, current, sizeof(double));
+ ringbuf_memcpy_into(state->ringbuf, data, sizeof(double));
size_t used = ringbuf_bytes_used(state->ringbuf);
ringbuf_memcpy_from(result, state->ringbuf, used, false);