| File: | alsaaudio.c |
| Function: | alsacard_list |
| Error: | ob_refcnt of '*result' is 1 too high |
114 static PyObject *
115 alsacard_list(PyObject *self, PyObject *args)
116 {
117 int rc;
118 int card = -1;
119 snd_ctl_card_info_t *info;
120 snd_ctl_t *handle;
121 PyObject *result = NULL;
122
123 if (!PyArg_ParseTuple(args,":cards"))
when PyArg_ParseTuple() succeeds
taking False path
124 return NULL;
125
126 snd_ctl_card_info_alloca(&info);
127 result = PyList_New(0);
when PyList_New() succeeds
PyListObject allocated at: result = PyList_New(0);
ob_refcnt is now refs: 1 + N where N >= 0
128
129 for (rc = snd_card_next(&card); !rc && (card >= 0);
when considering value == (int)0 from alsaaudio.c:129
taking True path
when taking True path
130 rc = snd_card_next(&card))
131 {
132 char name[32];
133 int err;
134 PyObject *item;
135
136 /* One would be tempted to think that snd_card_get_name returns a name
137 that is actually meaningful for any further operations.
138
139 Not in ALSA land. Here we need the id, not the name */
140
141 sprintf(name, "hw:%d", card);
142 if ((err = snd_ctl_open(&handle, name, 0)) < 0) {
when considering range: -0x80000000 <= value <= -1
taking True path
143 PyErr_SetString(ALSAAudioError,snd_strerror(err));
calling PyErr_SetString()
144 return NULL;
145 }
146 if ((err = snd_ctl_card_info(handle, info)) < 0) {
147 PyErr_SetString(ALSAAudioError,snd_strerror(err));
148 snd_ctl_close(handle);
149 Py_DECREF(result);
150 return NULL;
151 }
152
153 item = PyUnicode_FromString(snd_ctl_card_info_get_id(info));
154 PyList_Append(result, item);
155 Py_DECREF(item);
156
157 snd_ctl_close(handle);
158 }
159
160 return result;
161 }
ob_refcnt of '*result' is 1 too high
was expecting final ob_refcnt to be N + 0 (for some unknown N)
but final ob_refcnt is N + 1
| File: | alsaaudio.c |
| Function: | alsacard_list |
| Error: | dereferencing NULL (item->ob_refcnt) at alsaaudio.c:155 |
114 static PyObject *
115 alsacard_list(PyObject *self, PyObject *args)
116 {
117 int rc;
118 int card = -1;
119 snd_ctl_card_info_t *info;
120 snd_ctl_t *handle;
121 PyObject *result = NULL;
122
123 if (!PyArg_ParseTuple(args,":cards"))
when PyArg_ParseTuple() succeeds
taking False path
124 return NULL;
125
126 snd_ctl_card_info_alloca(&info);
127 result = PyList_New(0);
when PyList_New() succeeds
128
129 for (rc = snd_card_next(&card); !rc && (card >= 0);
when considering value == (int)0 from alsaaudio.c:129
taking True path
when taking True path
130 rc = snd_card_next(&card))
131 {
132 char name[32];
133 int err;
134 PyObject *item;
135
136 /* One would be tempted to think that snd_card_get_name returns a name
137 that is actually meaningful for any further operations.
138
139 Not in ALSA land. Here we need the id, not the name */
140
141 sprintf(name, "hw:%d", card);
142 if ((err = snd_ctl_open(&handle, name, 0)) < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
143 PyErr_SetString(ALSAAudioError,snd_strerror(err));
144 return NULL;
145 }
146 if ((err = snd_ctl_card_info(handle, info)) < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
147 PyErr_SetString(ALSAAudioError,snd_strerror(err));
148 snd_ctl_close(handle);
149 Py_DECREF(result);
150 return NULL;
151 }
152
153 item = PyUnicode_FromString(snd_ctl_card_info_get_id(info));
when PyUnicodeUCS4_FromString() fails
154 PyList_Append(result, item);
returning -1 from PyList_Append() due to NULL item
155 Py_DECREF(item);
dereferencing NULL (item->ob_refcnt) at alsaaudio.c:155
156
157 snd_ctl_close(handle);
158 }
159
160 return result;
161 }
| File: | alsaaudio.c |
| Function: | alsacard_list |
| Error: | dereferencing NULL (result->ob_refcnt) at alsaaudio.c:149 |
114 static PyObject *
115 alsacard_list(PyObject *self, PyObject *args)
116 {
117 int rc;
118 int card = -1;
119 snd_ctl_card_info_t *info;
120 snd_ctl_t *handle;
121 PyObject *result = NULL;
122
123 if (!PyArg_ParseTuple(args,":cards"))
when PyArg_ParseTuple() succeeds
taking False path
124 return NULL;
125
126 snd_ctl_card_info_alloca(&info);
127 result = PyList_New(0);
when PyList_New() fails
128
129 for (rc = snd_card_next(&card); !rc && (card >= 0);
when considering value == (int)0 from alsaaudio.c:129
taking True path
when taking True path
130 rc = snd_card_next(&card))
131 {
132 char name[32];
133 int err;
134 PyObject *item;
135
136 /* One would be tempted to think that snd_card_get_name returns a name
137 that is actually meaningful for any further operations.
138
139 Not in ALSA land. Here we need the id, not the name */
140
141 sprintf(name, "hw:%d", card);
142 if ((err = snd_ctl_open(&handle, name, 0)) < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
143 PyErr_SetString(ALSAAudioError,snd_strerror(err));
144 return NULL;
145 }
146 if ((err = snd_ctl_card_info(handle, info)) < 0) {
when considering range: -0x80000000 <= value <= -1
taking True path
147 PyErr_SetString(ALSAAudioError,snd_strerror(err));
calling PyErr_SetString()
148 snd_ctl_close(handle);
149 Py_DECREF(result);
dereferencing NULL (result->ob_refcnt) at alsaaudio.c:149
150 return NULL;
151 }
152
153 item = PyUnicode_FromString(snd_ctl_card_info_get_id(info));
154 PyList_Append(result, item);
155 Py_DECREF(item);
156
157 snd_ctl_close(handle);
158 }
159
160 return result;
161 }
| File: | alsaaudio.c |
| Function: | alsacard_list |
| Error: | calling PyList_Append with NULL as argument 1 (result) at alsaaudio.c:154 |
114 static PyObject *
115 alsacard_list(PyObject *self, PyObject *args)
116 {
117 int rc;
118 int card = -1;
119 snd_ctl_card_info_t *info;
120 snd_ctl_t *handle;
121 PyObject *result = NULL;
122
123 if (!PyArg_ParseTuple(args,":cards"))
when PyArg_ParseTuple() succeeds
taking False path
124 return NULL;
125
126 snd_ctl_card_info_alloca(&info);
127 result = PyList_New(0);
when PyList_New() fails
128
129 for (rc = snd_card_next(&card); !rc && (card >= 0);
when considering value == (int)0 from alsaaudio.c:129
taking True path
when taking True path
130 rc = snd_card_next(&card))
131 {
132 char name[32];
133 int err;
134 PyObject *item;
135
136 /* One would be tempted to think that snd_card_get_name returns a name
137 that is actually meaningful for any further operations.
138
139 Not in ALSA land. Here we need the id, not the name */
140
141 sprintf(name, "hw:%d", card);
142 if ((err = snd_ctl_open(&handle, name, 0)) < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
143 PyErr_SetString(ALSAAudioError,snd_strerror(err));
144 return NULL;
145 }
146 if ((err = snd_ctl_card_info(handle, info)) < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
147 PyErr_SetString(ALSAAudioError,snd_strerror(err));
148 snd_ctl_close(handle);
149 Py_DECREF(result);
150 return NULL;
151 }
152
153 item = PyUnicode_FromString(snd_ctl_card_info_get_id(info));
when PyUnicodeUCS4_FromString() succeeds
154 PyList_Append(result, item);
calling PyList_Append with NULL as argument 1 (result) at alsaaudio.c:154
PyList_Append() invokes Py_TYPE() on the pointer via the PyList_Check() macro, thus accessing (NULL)->ob_type
found 1 similar trace(s) to this
155 Py_DECREF(item);
156
157 snd_ctl_close(handle);
158 }
159
160 return result;
161 }