Author: Bram Moolenaar <bram@vim.org>
Subject: Fix a crash in Python bindings when compiled with GCC 4.7
Origin: upstream, patches 7.3.652 and 7.3.661
Bug-Debian: http://bugs.debian.org/678122

--- a/src/if_py_both.h
+++ b/src/if_py_both.h
@@ -70,18 +70,13 @@
     static PyObject *
 OutputWrite(PyObject *self, PyObject *args)
 {
-    int len;
+    Py_ssize_t len = 0;
     char *str = NULL;
     int error = ((OutputObject *)(self))->error;
 
     if (!PyArg_ParseTuple(args, "et#", ENC_OPT, &str, &len))
 	return NULL;
 
-    /* TODO: This works around a gcc optimizer problem and avoids Vim
-     * from crashing.  Should find a real solution. */
-    if (str == NULL)
-	return NULL;
-
     Py_BEGIN_ALLOW_THREADS
     Python_Lock_Vim();
     writer((writefn)(error ? emsg : msg), (char_u *)str, len);
--- a/src/if_python.c
+++ b/src/if_python.c
@@ -44,8 +44,6 @@
 # undef _XOPEN_SOURCE	/* pyconfig.h defines it as well. */
 #endif
 
-#define PY_SSIZE_T_CLEAN
-
 #include <Python.h>
 #if defined(MACOS) && !defined(MACOS_X_UNIX)
 # include "macglue.h"
@@ -54,6 +52,10 @@
 #undef main /* Defined in python.h - aargh */
 #undef HAVE_FCNTL_H /* Clash with os_win32.h */
 
+#if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000
+# define PY_SSIZE_T_CLEAN
+#endif
+
 static void init_structs(void);
 
 /* No-op conversion functions, use with care! */
@@ -275,8 +277,15 @@
     PYTHON_PROC *ptr;
 } python_funcname_table[] =
 {
+#ifndef PY_SSIZE_T_CLEAN
     {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse},
     {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple},
+    {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue},
+#else
+    {"_PyArg_Parse_SizeT", (PYTHON_PROC*)&dll_PyArg_Parse},
+    {"_PyArg_ParseTuple_SizeT", (PYTHON_PROC*)&dll_PyArg_ParseTuple},
+    {"_Py_BuildValue_SizeT", (PYTHON_PROC*)&dll_Py_BuildValue},
+#endif
     {"PyMem_Free", (PYTHON_PROC*)&dll_PyMem_Free},
     {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString},
     {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument},
@@ -315,7 +324,6 @@
     {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv},
     {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type},
     {"PyType_Ready", (PYTHON_PROC*)&dll_PyType_Ready},
-    {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue},
     {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod},
 # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT
     {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4},
--- a/src/if_python3.c
+++ b/src/if_python3.c
@@ -42,8 +42,6 @@
 # undef _DEBUG
 #endif
 
-#define PY_SSIZE_T_CLEAN
-
 #ifdef F_BLANK
 # undef F_BLANK
 #endif
@@ -66,6 +64,10 @@
 #undef main /* Defined in python.h - aargh */
 #undef HAVE_FCNTL_H /* Clash with os_win32.h */
 
+#if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000
+# define PY_SSIZE_T_CLEAN
+#endif
+
 static void init_structs(void);
 
 /* The "surrogateescape" error handler is new in Python 3.1 */
@@ -278,7 +280,13 @@
     {"PySys_SetArgv", (PYTHON_PROC*)&py3_PySys_SetArgv},
     {"Py_SetPythonHome", (PYTHON_PROC*)&py3_Py_SetPythonHome},
     {"Py_Initialize", (PYTHON_PROC*)&py3_Py_Initialize},
+#ifndef PY_SSIZE_T_CLEAN
     {"PyArg_ParseTuple", (PYTHON_PROC*)&py3_PyArg_ParseTuple},
+    {"Py_BuildValue", (PYTHON_PROC*)&py3_Py_BuildValue},
+#else
+    {"_PyArg_ParseTuple_SizeT", (PYTHON_PROC*)&py3_PyArg_ParseTuple},
+    {"_Py_BuildValue_SizeT", (PYTHON_PROC*)&py3_Py_BuildValue},
+#endif
     {"PyMem_Free", (PYTHON_PROC*)&py3_PyMem_Free},
     {"PyList_New", (PYTHON_PROC*)&py3_PyList_New},
     {"PyGILState_Ensure", (PYTHON_PROC*)&py3_PyGILState_Ensure},
@@ -301,7 +309,6 @@
     {"PyDict_GetItemString", (PYTHON_PROC*)&py3_PyDict_GetItemString},
     {"PyLong_FromLong", (PYTHON_PROC*)&py3_PyLong_FromLong},
     {"PyDict_New", (PYTHON_PROC*)&py3_PyDict_New},
-    {"Py_BuildValue", (PYTHON_PROC*)&py3_Py_BuildValue},
     {"PyType_Ready", (PYTHON_PROC*)&py3_PyType_Ready},
     {"PyDict_SetItemString", (PYTHON_PROC*)&py3_PyDict_SetItemString},
     {"PyLong_AsLong", (PYTHON_PROC*)&py3_PyLong_AsLong},