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Make sure to call PyErr_NoMemory() in several places where 

PyMem_Malloc() could potentially fail.

Will backport to the release25-maint branch.
This commit is contained in:
Thomas Heller 2007-04-30 15:44:17 +00:00
parent 7a0da19087
commit 5a901bd3cc
3 changed files with 15 additions and 3 deletions
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4
Modules/_ctypes/callproc.c
View File

@ -539,8 +539,10 @@ static int ConvParam(PyObject *obj, int index, struct argument *pa)
size += 1; /* terminating NUL */
size *= sizeof(wchar_t);
pa->value.p = PyMem_Malloc(size);
if (!pa->value.p)
if (!pa->value.p) {
PyErr_NoMemory();
return -1;
}
memset(pa->value.p, 0, size);
pa->keep = PyCObject_FromVoidPtr(pa->value.p, PyMem_Free);
if (!pa->keep) {

2
Modules/_ctypes/cfield.c
View File

@ -1426,7 +1426,7 @@ Z_set(void *ptr, PyObject *value, unsigned size)
size *= sizeof(wchar_t);
buffer = (wchar_t *)PyMem_Malloc(size);
if (!buffer)
return NULL;
return PyErr_NoMemory();
memset(buffer, 0, size);
keep = PyCObject_FromVoidPtr(buffer, PyMem_Free);
if (!keep) {

12
Modules/_ctypes/stgdict.c
View File

@ -72,8 +72,10 @@ StgDict_clone(StgDictObject *dst, StgDictObject *src)
return 0;
size = sizeof(ffi_type *) * (src->length + 1);
dst->ffi_type_pointer.elements = PyMem_Malloc(size);
if (dst->ffi_type_pointer.elements == NULL)
if (dst->ffi_type_pointer.elements == NULL) {
PyErr_NoMemory();
return -1;
}
memcpy(dst->ffi_type_pointer.elements,
src->ffi_type_pointer.elements,
size);
@ -359,6 +361,10 @@ StructUnionType_update_stgdict(PyObject *type, PyObject *fields, int isStruct)
total_align = align ? align : 1;
stgdict->ffi_type_pointer.type = FFI_TYPE_STRUCT;
stgdict->ffi_type_pointer.elements = PyMem_Malloc(sizeof(ffi_type *) * (basedict->length + len + 1));
if (stgdict->ffi_type_pointer.elements == NULL) {
PyErr_NoMemory();
return -1;
}
memset(stgdict->ffi_type_pointer.elements, 0,
sizeof(ffi_type *) * (basedict->length + len + 1));
memcpy(stgdict->ffi_type_pointer.elements,
@ -373,6 +379,10 @@ StructUnionType_update_stgdict(PyObject *type, PyObject *fields, int isStruct)
total_align = 1;
stgdict->ffi_type_pointer.type = FFI_TYPE_STRUCT;
stgdict->ffi_type_pointer.elements = PyMem_Malloc(sizeof(ffi_type *) * (len + 1));
if (stgdict->ffi_type_pointer.elements == NULL) {
PyErr_NoMemory();
return -1;
}
memset(stgdict->ffi_type_pointer.elements, 0,
sizeof(ffi_type *) * (len + 1));
ffi_ofs = 0;