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Lib
- decimal.py
Misc
- NEWS
- valgrind-python.supp
Modules
- _ctypes
  - stgdict.c
- _fileio.c
- signalmodule.c
Objects
- stringlib
  - formatter.h
- structseq.c
Python
- getargs.c
- pythonrun.c

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`‎Lib/decimal.py‎`

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+1-1Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -5061,7 +5061,7 @@ def _dlog10(c, e, p):`
`5061`	`5061`	`log_tenpower = f*M # exact`
`5062`	`5062`	`else:`
`5063`	`5063`	`log_d = 0 # error < 2.31`
`5064`		`- log_tenpower = div_nearest(f, 10**-p) # error < 0.5`
	`5064`	`+ log_tenpower = _div_nearest(f, 10**-p) # error < 0.5`
`5065`	`5065`
`5066`	`5066`	`return _div_nearest(log_tenpower+log_d, 100)`
`5067`	`5067`

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`‎Misc/NEWS‎`

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+8Lines changed: 8 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -12,6 +12,14 @@ What's New in Python 2.6 release candidate 1?`
`12`	`12`	`Core and Builtins`
`13`	`13`	`-----------------`
`14`	`14`
	`15`	`+- Fix crashes on memory allocation failure found with failmalloc.`
	`16`	`+`
	`17`	`+- Fix memory leaks found with valgrind and update suppressions file.`
	`18`	`+`
	`19`	`+- Fix compiler warnings in opt mode which would lead to invalid memory reads.`
	`20`	`+`
	`21`	`+- Fix problem using wrong name in decimal module reported by pychecker.`
	`22`	`+`
`15`	`23`	`- Issue #3642: Changed type of numarenas from uint to size_t`
`16`	`24`	`in order to silence a compilier warning on 64bit OSes.`
`17`	`25`

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`‎Misc/valgrind-python.supp‎`

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+33Lines changed: 33 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,39 @@`
`46`	`46`	`# Will need to fix that.`
`47`	`47`	`#`
`48`	`48`
	`49`	`+{`
	`50`	`+ Suppress leaking the GIL. Happens once per process, see comment in ceval.c.`
	`51`	`+ Memcheck:Leak`
	`52`	`+ fun:malloc`
	`53`	`+ fun:PyThread_allocate_lock`
	`54`	`+ fun:PyEval_InitThreads`
	`55`	`+}`
	`56`	`+`
	`57`	`+{`
	`58`	`+ Suppress leaking the GIL after a fork.`
	`59`	`+ Memcheck:Leak`
	`60`	`+ fun:malloc`
	`61`	`+ fun:PyThread_allocate_lock`
	`62`	`+ fun:PyEval_ReInitThreads`
	`63`	`+}`
	`64`	`+`
	`65`	`+{`
	`66`	`+ Suppress leaking the autoTLSkey. This looks like it shouldn't leak though.`
	`67`	`+ Memcheck:Leak`
	`68`	`+ fun:malloc`
	`69`	`+ fun:PyThread_create_key`
	`70`	`+ fun:_PyGILState_Init`
	`71`	`+ fun:Py_InitializeEx`
	`72`	`+ fun:Py_Main`
	`73`	`+}`
	`74`	`+`
	`75`	`+{`
	`76`	`+ Hmmm, is this a real leak or like the GIL?`
	`77`	`+ Memcheck:Leak`
	`78`	`+ fun:malloc`
	`79`	`+ fun:PyThread_ReInitTLS`
	`80`	`+}`
	`81`	`+`
`49`	`82`	`{`
`50`	`83`	`Handle PyMalloc confusing valgrind (possibly leaked)`
`51`	`84`	`Memcheck:Leak`

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`‎Modules/_ctypes/stgdict.c‎`

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+3Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -416,6 +416,7 @@ StructUnionType_update_stgdict(PyObject type, PyObject fields, int isStruct)`
`416`	`416`	`ffi_ofs = 0;`
`417`	`417`	`}`
`418`	`418`
	`419`	`+ assert(stgdict->format == NULL);`
`419`	`420`	`if (isStruct && !isPacked) {`
`420`	`421`	`stgdict->format = alloc_format_string(NULL, "T{");`
`421`	`422`	`} else {`
`@@ -539,7 +540,9 @@ StructUnionType_update_stgdict(PyObject type, PyObject fields, int isStruct)`
`539`	`540`	`#undef realdict`
`540`	`541`
`541`	`542`	`if (isStruct && !isPacked) {`
	`543`	`+ char *ptr = stgdict->format;`
`542`	`544`	`stgdict->format = alloc_format_string(stgdict->format, "}");`
	`545`	`+ PyMem_Free(ptr);`
`543`	`546`	`if (stgdict->format == NULL)`
`544`	`547`	`return -1;`
`545`	`548`	`}`

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`‎Modules/_fileio.c‎`

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+1Lines changed: 1 addition & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -278,6 +278,7 @@ fileio_init(PyObject oself, PyObject args, PyObject *kwds)`
`278`	`278`	`ret = -1;`
`279`	`279`
`280`	`280`	`done:`
	`281`	`+ PyMem_Free(name);`
`281`	`282`	`return ret;`
`282`	`283`	`}`
`283`	`284`

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`‎Modules/signalmodule.c‎`

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+2-1Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -784,7 +784,8 @@ initsignal(void)`
`784`	`784`	`#if defined (HAVE_SETITIMER) \|\| defined (HAVE_GETITIMER)`
`785`	`785`	`ItimerError = PyErr_NewException("signal.ItimerError",`
`786`	`786`	`PyExc_IOError, NULL);`
`787`		`- PyDict_SetItemString(d, "ItimerError", ItimerError);`
	`787`	`+ if (ItimerError != NULL)`
	`788`	`+ PyDict_SetItemString(d, "ItimerError", ItimerError);`
`788`	`789`	`#endif`
`789`	`790`
`790`	`791`	`if (!PyErr_Occurred())`

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`‎Objects/stringlib/formatter.h‎`

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+4-1Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -641,7 +641,10 @@ format_int_or_long_internal(PyObject value, const InternalFormatSpec format,`
`641`	`641`	`/* We know this can't fail, since we've already`
`642`	`642`	`reserved enough space. */`
`643`	`643`	`STRINGLIB_CHAR *pstart = p + n_leading_chars;`
`644`		`- int r = STRINGLIB_GROUPING(pstart, n_digits, n_digits,`
	`644`	`+#ifndef NDEBUG`
	`645`	`+ int r =`
	`646`	`+#endif`
	`647`	`+ STRINGLIB_GROUPING(pstart, n_digits, n_digits,`
`645`	`648`	`spec.n_total+n_grouping_chars-n_leading_chars,`
`646`	`649`	`NULL, 0);`
`647`	`650`	`assert(r);`

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`‎Objects/structseq.c‎`

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+14-6Lines changed: 14 additions & 6 deletions

Original file line number	Diff line number	Diff line change
`@@ -32,6 +32,8 @@ PyStructSequence_New(PyTypeObject *type)`
`32`	`32`	`PyStructSequence *obj;`
`33`	`33`
`34`	`34`	`obj = PyObject_New(PyStructSequence, type);`
	`35`	`+ if (obj == NULL)`
	`36`	`+ return NULL;`
`35`	`37`	`Py_SIZE(obj) = VISIBLE_SIZE_TP(type);`
`36`	`38`
`37`	`39`	`return (PyObject*) obj;`
`@@ -522,10 +524,16 @@ PyStructSequence_InitType(PyTypeObject type, PyStructSequence_Desc desc)`
`522`	`524`	`Py_INCREF(type);`
`523`	`525`
`524`	`526`	`dict = type->tp_dict;`
`525`		`- PyDict_SetItemString(dict, visible_length_key,`
`526`		`- PyInt_FromLong((long) desc->n_in_sequence));`
`527`		`- PyDict_SetItemString(dict, real_length_key,`
`528`		`- PyInt_FromLong((long) n_members));`
`529`		`- PyDict_SetItemString(dict, unnamed_fields_key,`
`530`		`- PyInt_FromLong((long) n_unnamed_members));`
	`527`	`+#define SET_DICT_FROM_INT(key, value) \`
	`528`	`+ do { \`
	`529`	`+ PyObject *v = PyInt_FromLong((long) value); \`
	`530`	`+ if (v != NULL) { \`
	`531`	`+ PyDict_SetItemString(dict, key, v); \`
	`532`	`+ Py_DECREF(v); \`
	`533`	`+ } \`
	`534`	`+ } while (0)`
	`535`	`+`
	`536`	`+ SET_DICT_FROM_INT(visible_length_key, desc->n_in_sequence);`
	`537`	`+ SET_DICT_FROM_INT(real_length_key, n_members);`
	`538`	`+ SET_DICT_FROM_INT(unnamed_fields_key, n_unnamed_members);`
`531`	`539`	`}`

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`‎Python/getargs.c‎`

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+7-3Lines changed: 7 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -1312,7 +1312,7 @@ convertbuffer(PyObject arg, void p, char *errmsg)`
`1312`	`1312`	`}`
`1313`	`1313`
`1314`	`1314`	`static int`
`1315`		`-getbuffer(PyObject arg, Py_buffer view, char**errmsg)`
	`1315`	`+getbuffer(PyObject arg, Py_buffer view, char **errmsg)`
`1316`	`1316`	`{`
`1317`	`1317`	`void *buf;`
`1318`	`1318`	`Py_ssize_t count;`
`@@ -1322,8 +1322,10 @@ getbuffer(PyObject arg, Py_buffer view, char**errmsg)`
`1322`	`1322`	`return -1;`
`1323`	`1323`	`}`
`1324`	`1324`	`if (pb->bf_getbuffer) {`
`1325`		`- if (pb->bf_getbuffer(arg, view, 0) < 0)`
	`1325`	`+ if (pb->bf_getbuffer(arg, view, 0) < 0) {`
	`1326`	`+ *errmsg = "convertible to a buffer";`
`1326`	`1327`	`return -1;`
	`1328`	`+ }`
`1327`	`1329`	`if (!PyBuffer_IsContiguous(view, 'C')) {`
`1328`	`1330`	`*errmsg = "contiguous buffer";`
`1329`	`1331`	`return -1;`
`@@ -1332,8 +1334,10 @@ getbuffer(PyObject arg, Py_buffer view, char**errmsg)`
`1332`	`1334`	`}`
`1333`	`1335`
`1334`	`1336`	`count = convertbuffer(arg, &buf, errmsg);`
`1335`		`- if (count < 0)`
	`1337`	`+ if (count < 0) {`
	`1338`	`+ *errmsg = "convertible to a buffer";`
`1336`	`1339`	`return count;`
	`1340`	`+ }`
`1337`	`1341`	`PyBuffer_FillInfo(view, NULL, buf, count, 1, 0);`
`1338`	`1342`	`return 0;`
`1339`	`1343`	`}`

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`‎Python/pythonrun.c‎`

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+2-2Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -132,8 +132,8 @@ Py_InitializeEx(int install_sigs)`
`132`	`132`	`PyThreadState *tstate;`
`133`	`133`	`PyObject bimod, sysmod;`
`134`	`134`	`char *p;`
`135`		`- char icodeset; / On Windows, input codeset may theoretically`
`136`		`- differ from output codeset. */`
	`135`	`+ char icodeset = NULL; / On Windows, input codeset may theoretically`
	`136`	`+ differ from output codeset. */`
`137`	`137`	`char *codeset = NULL;`
`138`	`138`	`char *errors = NULL;`
`139`	`139`	`int free_codeset = 0;`

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