[Python-checkins] cpython (merge 3.3 -> default): Fix memory leaks and add checks for failing malloc() calls to testcapi module
christian.heimes
python-checkins at python.org
Fri Jul 26 15:07:50 CEST 2013
http://hg.python.org/cpython/rev/f82fe2b43165
changeset: 84835:f82fe2b43165
parent: 84832:33891989c9cf
parent: 84834:708811f8470f
user: Christian Heimes <christian at cheimes.de>
date: Fri Jul 26 15:07:34 2013 +0200
summary:
Fix memory leaks and add checks for failing malloc() calls to testcapi module
CID 1058288
Fix declaration-after-statement of d49f65ff4f3c
files:
Modules/_testcapimodule.c | 19 ++++++++++++++++---
1 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -1659,11 +1659,15 @@
int i;
for (i = 0; i < Py_ARRAY_LENGTH(testcases); ++i) {
- PyObject *plong = PyLong_FromLong(testcases[i].input);
+ size_t nbits;
+ int sign;
+ PyObject *plong;
+
+ plong = PyLong_FromLong(testcases[i].input);
if (plong == NULL)
return NULL;
- size_t nbits = _PyLong_NumBits(plong);
- int sign = _PyLong_Sign(plong);
+ nbits = _PyLong_NumBits(plong);
+ sign = _PyLong_Sign(plong);
Py_DECREF(plong);
if (nbits != testcases[i].nbits)
@@ -2197,6 +2201,8 @@
/* Test 3: Allocate a few integers, then release
them all simultaneously. */
multiple = malloc(sizeof(PyObject*) * 1000);
+ if (multiple == NULL)
+ return PyErr_NoMemory();
gettimeofday(&start, NULL);
for(k=0; k < 20000; k++) {
for(i=0; i < 1000; i++) {
@@ -2208,10 +2214,13 @@
}
gettimeofday(&stop, NULL);
print_delta(3, &start, &stop);
+ free(multiple);
/* Test 4: Allocate many integers, then release
them all simultaneously. */
multiple = malloc(sizeof(PyObject*) * 1000000);
+ if (multiple == NULL)
+ return PyErr_NoMemory();
gettimeofday(&start, NULL);
for(k=0; k < 20; k++) {
for(i=0; i < 1000000; i++) {
@@ -2223,9 +2232,12 @@
}
gettimeofday(&stop, NULL);
print_delta(4, &start, &stop);
+ free(multiple);
/* Test 5: Allocate many integers < 32000 */
multiple = malloc(sizeof(PyObject*) * 1000000);
+ if (multiple == NULL)
+ return PyErr_NoMemory();
gettimeofday(&start, NULL);
for(k=0; k < 10; k++) {
for(i=0; i < 1000000; i++) {
@@ -2237,6 +2249,7 @@
}
gettimeofday(&stop, NULL);
print_delta(5, &start, &stop);
+ free(multiple);
/* Test 6: Perform small int addition */
op1 = PyLong_FromLong(1);
--
Repository URL: http://hg.python.org/cpython
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