diff options
-rw-r--r-- | instance.c | 2 | ||||
-rw-r--r-- | libsigrokdecode-internal.h | 3 | ||||
-rw-r--r-- | type_decoder.c | 15 | ||||
-rw-r--r-- | util.c | 4 |
4 files changed, 16 insertions, 8 deletions
@@ -895,6 +895,8 @@ static gboolean all_terms_match(const struct srd_decoder_inst *di, for (l = cond; l; l = l->next) { term = l->data; + if (term->type == SRD_TERM_ALWAYS_FALSE) + return FALSE; if (!term_matches(di, term, sample_pos)) return FALSE; } diff --git a/libsigrokdecode-internal.h b/libsigrokdecode-internal.h index d5a34a2..af245f6 100644 --- a/libsigrokdecode-internal.h +++ b/libsigrokdecode-internal.h @@ -28,6 +28,7 @@ #include "libsigrokdecode.h" enum { + SRD_TERM_ALWAYS_FALSE, SRD_TERM_HIGH, SRD_TERM_LOW, SRD_TERM_RISING_EDGE, @@ -123,7 +124,7 @@ SRD_PRIV int py_attr_as_strlist(PyObject *py_obj, const char *attr, GSList **out SRD_PRIV int py_dictitem_as_str(PyObject *py_obj, const char *key, char **outstr); SRD_PRIV int py_listitem_as_str(PyObject *py_obj, Py_ssize_t idx, char **outstr); SRD_PRIV int py_pydictitem_as_str(PyObject *py_obj, PyObject *py_key, char **outstr); -SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, uint64_t *out); +SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, int64_t *out); SRD_PRIV int py_str_as_str(PyObject *py_str, char **outstr); SRD_PRIV int py_strseq_to_char(PyObject *py_strseq, char ***out_strv); SRD_PRIV GVariant *py_obj_to_variant(PyObject *py_obj); diff --git a/type_decoder.c b/type_decoder.c index 17204f0..454e7ea 100644 --- a/type_decoder.c +++ b/type_decoder.c @@ -625,18 +625,20 @@ static PyObject *get_current_pinvalues(const struct srd_decoder_inst *di) * * If there are no terms in the condition, 'term_list' will be NULL. * + * @param di The decoder instance to use. Must not be NULL. * @param py_dict A Python dict containing terms. Must not be NULL. * @param term_list Pointer to a GSList which will be set to the newly * created list of terms. Must not be NULL. * * @return SRD_OK upon success, a negative error code otherwise. */ -static int create_term_list(PyObject *py_dict, GSList **term_list) +static int create_term_list(struct srd_decoder_inst *di, + PyObject *py_dict, GSList **term_list) { Py_ssize_t pos = 0; PyObject *py_key, *py_value; struct srd_term *term; - uint64_t num_samples_to_skip; + int64_t num_samples_to_skip; char *term_str; PyGILState_STATE gstate; @@ -653,7 +655,6 @@ static int create_term_list(PyObject *py_dict, GSList **term_list) /* Check whether the current key is a string or a number. */ if (PyLong_Check(py_key)) { /* The key is a number. */ - /* TODO: Check if the number is a valid channel. */ /* Get the value string. */ if ((py_pydictitem_as_str(py_dict, py_key, &term_str)) != SRD_OK) { srd_err("Failed to get the value."); @@ -662,10 +663,12 @@ static int create_term_list(PyObject *py_dict, GSList **term_list) term = g_malloc(sizeof(struct srd_term)); term->type = get_term_type(term_str); term->channel = PyLong_AsLong(py_key); + if (term->channel < 0 || term->channel >= di->dec_num_channels) + term->type = SRD_TERM_ALWAYS_FALSE; g_free(term_str); } else if (PyUnicode_Check(py_key)) { /* The key is a string. */ - /* TODO: Check if it's "skip". */ + /* TODO: Check if the key is "skip". */ if ((py_pydictitem_as_long(py_dict, py_key, &num_samples_to_skip)) != SRD_OK) { srd_err("Failed to get number of samples to skip."); goto err; @@ -674,6 +677,8 @@ static int create_term_list(PyObject *py_dict, GSList **term_list) term->type = SRD_TERM_SKIP; term->num_samples_to_skip = num_samples_to_skip; term->num_samples_already_skipped = 0; + if (num_samples_to_skip < 1) + term->type = SRD_TERM_ALWAYS_FALSE; } else { srd_err("Term key is neither a string nor a number."); goto err; @@ -784,7 +789,7 @@ static int set_new_condition_list(PyObject *self, PyObject *args) } /* Create the list of terms in this condition. */ - if ((ret = create_term_list(py_dict, &term_list)) < 0) + if ((ret = create_term_list(di, py_dict, &term_list)) < 0) break; /* Add the new condition to the PD instance's condition list. */ @@ -303,7 +303,7 @@ err: * * @private */ -SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, uint64_t *out) +SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, int64_t *out) { PyObject *py_value; PyGILState_STATE gstate; @@ -328,7 +328,7 @@ SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, uint64_t goto err; } - *out = PyLong_AsUnsignedLongLong(py_value); + *out = PyLong_AsLongLong(py_value); PyGILState_Release(gstate); |