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Code Issues Projects Releases Packages Wiki Activity Actions 11

Issue #28350: String constants with null character no longer interned.

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This commit is contained in:
Serhiy Storchaka 2016-10-04 18:17:22 +03:00
parent b47c9d29d7
commit 09f3d080fe
3 changed files with 27 additions and 11 deletions
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16
Objects/codeobject.c
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@ -11,21 +11,21 @@ static int
all_name_chars(PyObject *o)
{
static char ok_name_char[256];
static unsigned char *name_chars = (unsigned char *)NAME_CHARS;
PyUnicodeObject *u = (PyUnicodeObject *)o;
const unsigned char *s;
static const unsigned char *name_chars = (unsigned char *)NAME_CHARS;
const unsigned char *s, *e;
if (!PyUnicode_Check(o) || PyUnicode_READY(u) == -1 ||
PyUnicode_MAX_CHAR_VALUE(u) >= 128)
if (!PyUnicode_Check(o) || PyUnicode_READY(o) == -1 ||
!PyUnicode_IS_ASCII(o))
return 0;
if (ok_name_char[*name_chars] == 0) {
unsigned char *p;
const unsigned char *p;
for (p = name_chars; *p; p++)
ok_name_char[*p] = 1;
}
s = PyUnicode_1BYTE_DATA(u);
while (*s) {
s = PyUnicode_1BYTE_DATA(o);
e = s + PyUnicode_GET_LENGTH(o);
while (s != e) {
if (ok_name_char[*s++] == 0)
return 0;
}