Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when

using byte values greater than 127.  Patch by egreen.
This commit is contained in:
Antoine Pitrou 2009-10-14 17:14:16 +00:00
parent 919765a095
commit 403ce78872
3 changed files with 11 additions and 10 deletions

View File

@ -454,8 +454,9 @@ class BaseBytesTest(unittest.TestCase):
def test_maketrans(self): def test_maketrans(self):
transtable = b'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377' transtable = b'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
self.assertEqual(self.type2test.maketrans(b'abc', b'xyz'), transtable) self.assertEqual(self.type2test.maketrans(b'abc', b'xyz'), transtable)
transtable = b'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374xyz'
self.assertEqual(self.type2test.maketrans(b'\375\376\377', b'xyz'), transtable)
self.assertRaises(ValueError, self.type2test.maketrans, b'abc', b'xyzq') self.assertRaises(ValueError, self.type2test.maketrans, b'abc', b'xyzq')
self.assertRaises(TypeError, self.type2test.maketrans, 'abc', 'def') self.assertRaises(TypeError, self.type2test.maketrans, 'abc', 'def')
@ -1074,13 +1075,10 @@ class ByteArraySubclassTest(unittest.TestCase):
def test_main(): def test_main():
test.support.run_unittest(BytesTest) test.support.run_unittest(
test.support.run_unittest(ByteArrayTest) BytesTest, AssortedBytesTest, BytesAsStringTest,
test.support.run_unittest(AssortedBytesTest) ByteArrayTest, ByteArrayAsStringTest, ByteArraySubclassTest,
test.support.run_unittest(BytesAsStringTest) BytearrayPEP3137Test)
test.support.run_unittest(ByteArrayAsStringTest)
test.support.run_unittest(ByteArraySubclassTest)
test.support.run_unittest(BytearrayPEP3137Test)
if __name__ == "__main__": if __name__ == "__main__":
test_main() test_main()

View File

@ -12,6 +12,9 @@ What's New in Python 3.2 Alpha 1?
Core and Builtins Core and Builtins
----------------- -----------------
- Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when
using byte values greater than 127. Patch by egreen.
- Issue #1571184: The Unicode database contains properties for more characters. - Issue #1571184: The Unicode database contains properties for more characters.
The tables for code points representing numeric values, white spaces or line The tables for code points representing numeric values, white spaces or line
breaks are now generated from the official Unicode Character Database files, breaks are now generated from the official Unicode Character Database files,

View File

@ -427,7 +427,7 @@ _Py_bytes_maketrans(PyObject *args)
{ {
PyObject *frm, *to, *res = NULL; PyObject *frm, *to, *res = NULL;
Py_buffer bfrm, bto; Py_buffer bfrm, bto;
int i; Py_ssize_t i;
char *p; char *p;
bfrm.len = -1; bfrm.len = -1;
@ -452,7 +452,7 @@ _Py_bytes_maketrans(PyObject *args)
for (i = 0; i < 256; i++) for (i = 0; i < 256; i++)
p[i] = i; p[i] = i;
for (i = 0; i < bfrm.len; i++) { for (i = 0; i < bfrm.len; i++) {
p[(int)((char *)bfrm.buf)[i]] = ((char *)bto.buf)[i]; p[((unsigned char *)bfrm.buf)[i]] = ((char *)bto.buf)[i];
} }
done: done: