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GH-103092: isolate `pyexpat` (#104506)

This commit is contained in:
Kumar Aditya 2023-05-17 01:33:01 +05:30 committed by GitHub
parent 5e9f471e7d
commit 20e994c535
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 9 deletions
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27
Modules/pyexpat.c
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@ -1076,12 +1076,30 @@ static struct PyMethodDef xmlparse_methods[] = {
Make it as simple as possible.
*/
static const unsigned char template_buffer[256] =
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73,
74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122,
123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152,
153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167,
168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182,
183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212,
213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242,
243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};
static int
PyUnknownEncodingHandler(void *encodingHandlerData,
const XML_Char *name,
XML_Encoding *info)
{
static unsigned char template_buffer[256] = {0};
PyObject *u;
int i;
const void *data;
@ -1090,12 +1108,7 @@ PyUnknownEncodingHandler(void *encodingHandlerData,
if (PyErr_Occurred())
return XML_STATUS_ERROR;
if (template_buffer[1] == 0) {
for (i = 0; i < 256; i++)
template_buffer[i] = i;
}
u = PyUnicode_Decode((char*) template_buffer, 256, name, "replace");
u = PyUnicode_Decode((const char*) template_buffer, 256, name, "replace");
if (u == NULL || PyUnicode_READY(u)) {
Py_XDECREF(u);
return XML_STATUS_ERROR;

1
Tools/c-analyzer/cpython/globals-to-fix.tsv
View File

@ -458,7 +458,6 @@ Modules/_tkinter.c - trbInCmd -
## pre-allocated buffer
Modules/nismodule.c nisproc_maplist_2 res -
Modules/pyexpat.c PyUnknownEncodingHandler template_buffer -
## other
Include/datetime.h - PyDateTimeAPI -

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