Mercurial > cpython-lru_cache-weakref
diff Python/getargs.c @ 68809:4c2135930882
Issue #10833: Use PyErr_Format() and PyUnicode_FromFormat() instead of
PyOS_snprintf() to avoid temporary buffer allocated on the stack and a
conversion from bytes to Unicode.
| author | Victor Stinner <victor.stinner@haypocalc.com> |
|---|---|
| date | Mon, 21 Mar 2011 18:15:42 +0100 |
| parents | 891dc12f5e2f |
| children | 536fccc75f5a |
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--- a/Python/getargs.c Mon Mar 21 18:10:02 2011 +0100 +++ b/Python/getargs.c Mon Mar 21 18:15:42 2011 +0100 @@ -310,20 +310,18 @@ if (max == 0) { if (args == NULL) return 1; - PyOS_snprintf(msgbuf, sizeof(msgbuf), - "%.200s%s takes no arguments", - fname==NULL ? "function" : fname, - fname==NULL ? "" : "()"); - PyErr_SetString(PyExc_TypeError, msgbuf); + PyErr_Format(PyExc_TypeError, + "%.200s%s takes no arguments", + fname==NULL ? "function" : fname, + fname==NULL ? "" : "()"); return 0; } else if (min == 1 && max == 1) { if (args == NULL) { - PyOS_snprintf(msgbuf, sizeof(msgbuf), - "%.200s%s takes at least one argument", - fname==NULL ? "function" : fname, - fname==NULL ? "" : "()"); - PyErr_SetString(PyExc_TypeError, msgbuf); + PyErr_Format(PyExc_TypeError, + "%.200s%s takes at least one argument", + fname==NULL ? "function" : fname, + fname==NULL ? "" : "()"); return 0; } msg = convertitem(args, &format, p_va, flags, levels, @@ -349,20 +347,18 @@ len = PyTuple_GET_SIZE(args); if (len < min || max < len) { - if (message == NULL) { - PyOS_snprintf(msgbuf, sizeof(msgbuf), - "%.150s%s takes %s %d argument%s " - "(%ld given)", - fname==NULL ? "function" : fname, - fname==NULL ? "" : "()", - min==max ? "exactly" - : len < min ? "at least" : "at most", - len < min ? min : max, - (len < min ? min : max) == 1 ? "" : "s", - Py_SAFE_DOWNCAST(len, Py_ssize_t, long)); - message = msgbuf; - } - PyErr_SetString(PyExc_TypeError, message); + if (message == NULL) + PyErr_Format(PyExc_TypeError, + "%.150s%s takes %s %d argument%s (%ld given)", + fname==NULL ? "function" : fname, + fname==NULL ? "" : "()", + min==max ? "exactly" + : len < min ? "at least" : "at most", + len < min ? min : max, + (len < min ? min : max) == 1 ? "" : "s", + Py_SAFE_DOWNCAST(len, Py_ssize_t, long)); + else + PyErr_SetString(PyExc_TypeError, message); return 0; } @@ -1458,8 +1454,8 @@ nargs = PyTuple_GET_SIZE(args); nkeywords = (keywords == NULL) ? 0 : PyDict_Size(keywords); if (nargs + nkeywords > len) { - PyErr_Format(PyExc_TypeError, "%s%s takes at most %d " - "argument%s (%d given)", + PyErr_Format(PyExc_TypeError, + "%s%s takes at most %d argument%s (%d given)", (fname == NULL) ? "function" : fname, (fname == NULL) ? "" : "()", len,