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#8821: do not rely on Unicode strings being terminated with a \u0000, rather explicitly check range before looking for a second surrogate character.

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This commit is contained in:
Georg Brandl 2010-08-01 08:49:18 +00:00
parent 9411eeb522
commit bd534f0349
1 changed files with 2 additions and 2 deletions
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4
Objects/unicodeobject.c
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@ -3734,7 +3734,7 @@ PyObject *PyUnicode_EncodeUnicodeEscape(const Py_UNICODE *s,
ch2 = *s++;
size--;
if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) {
if (ch2 >= 0xDC00 && ch2 <= 0xDFFF && size) {
ucs = (((ch & 0x03FF) << 10) | (ch2 & 0x03FF)) + 0x00010000;
*p++ = '\\';
*p++ = 'U';
@ -3976,7 +3976,7 @@ PyObject *PyUnicode_EncodeRawUnicodeEscape(const Py_UNICODE *s,
ch2 = *s++;
size--;
if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) {
if (ch2 >= 0xDC00 && ch2 <= 0xDFFF && size) {
ucs = (((ch & 0x03FF) << 10) | (ch2 & 0x03FF)) + 0x00010000;
*p++ = '\\';
*p++ = 'U';