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Issue #18408: Fix PyCStructUnionType_update_stgdict(), handle 

_ctypes_alloc_format_string() failure
This commit is contained in:
Victor Stinner 2013-10-29 03:50:45 +01:00
parent 68f6adca6d
commit dd371b92c4
1 changed files with 3 additions and 1 deletions
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4
Modules/_ctypes/stgdict.c
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@ -417,6 +417,8 @@ PyCStructUnionType_update_stgdict(PyObject *type, PyObject *fields, int isStruct
that). Use 'B' for bytes. */ that). Use 'B' for bytes. */
stgdict->format = _ctypes_alloc_format_string(NULL, "B"); stgdict->format = _ctypes_alloc_format_string(NULL, "B");
} }
if (stgdict->format == NULL)
return -1;
#define realdict ((PyObject *)&stgdict->dict) #define realdict ((PyObject *)&stgdict->dict)
for (i = 0; i < len; ++i) { for (i = 0; i < len; ++i) {
@ -483,7 +485,7 @@ PyCStructUnionType_update_stgdict(PyObject *type, PyObject *fields, int isStruct
char *fieldfmt = dict->format ? dict->format : "B"; char *fieldfmt = dict->format ? dict->format : "B";
char *fieldname = _PyUnicode_AsString(name); char *fieldname = _PyUnicode_AsString(name);
char *ptr; char *ptr;
Py_ssize_t len; Py_ssize_t len;
char *buf; char *buf;
if (fieldname == NULL) if (fieldname == NULL)