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Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file

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doesn't have PY_SSIZE_T_CLEAN define and the size doesn't fit in an int
(length bigger than 2^31-1 bytes).
This commit is contained in:
Victor Stinner 2011-03-21 03:22:50 +01:00
parent e788ace5ab
commit 451385d8f8
3 changed files with 33 additions and 1 deletions
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12
Python/getargs.c
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@ -613,7 +613,17 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
#define FETCH_SIZE int *q=NULL;Py_ssize_t *q2=NULL;\
if (flags & FLAG_SIZE_T) q2=va_arg(*p_va, Py_ssize_t*); \
else q=va_arg(*p_va, int*);
#define STORE_SIZE(s) if (flags & FLAG_SIZE_T) *q2=s; else *q=s;
#define STORE_SIZE(s) \
if (flags & FLAG_SIZE_T) \
*q2=s; \
else { \
if (INT_MAX < s) { \
PyErr_SetString(PyExc_OverflowError, \
"size does not fit in an int"); \
return converterr("", arg, msgbuf, bufsize); \
} \
*q=s; \
}
#define BUFFER_LEN ((flags & FLAG_SIZE_T) ? *q2:*q)
const char *format = *p_format;