To: vim_dev@googlegroups.com
Subject: Patch 7.3.657
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.3.657
Problem:    Python bindings silently truncate string values containing NUL.
Solution:   Fail when a string contains NUL. (ZyX)
Files:      src/if_python.c, src/if_python3.c


*** ../vim-7.3.656/src/if_python.c	2012-09-05 18:54:37.000000000 +0200
--- src/if_python.c	2012-09-05 19:02:07.000000000 +0200
***************
*** 191,196 ****
--- 191,197 ----
  # define PyRun_SimpleString dll_PyRun_SimpleString
  # define PyRun_String dll_PyRun_String
  # define PyString_AsString dll_PyString_AsString
+ # define PyString_AsStringAndSize dll_PyString_AsStringAndSize
  # define PyString_FromString dll_PyString_FromString
  # define PyString_FromStringAndSize dll_PyString_FromStringAndSize
  # define PyString_Size dll_PyString_Size
***************
*** 288,293 ****
--- 289,295 ----
  static int(*dll_PyRun_SimpleString)(char *);
  static PyObject *(*dll_PyRun_String)(char *, int, PyObject *, PyObject *);
  static char*(*dll_PyString_AsString)(PyObject *);
+ static int(*dll_PyString_AsStringAndSize)(PyObject *, char **, int *);
  static PyObject*(*dll_PyString_FromString)(const char *);
  static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt);
  static PyInt(*dll_PyString_Size)(PyObject *);
***************
*** 406,411 ****
--- 408,414 ----
      {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString},
      {"PyRun_String", (PYTHON_PROC*)&dll_PyRun_String},
      {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString},
+     {"PyString_AsStringAndSize", (PYTHON_PROC*)&dll_PyString_AsStringAndSize},
      {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString},
      {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize},
      {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size},
***************
*** 578,591 ****
  static int initialised = 0;
  #define PYINITIALISED initialised
  
- /* Add conversion from PyInt? */
  #define DICTKEY_GET(err) \
      if (!PyString_Check(keyObject)) \
      { \
  	PyErr_SetString(PyExc_TypeError, _("only string keys are allowed")); \
  	return err; \
      } \
!     key = (char_u *) PyString_AsString(keyObject);
  #define DICTKEY_UNREF
  #define DICTKEY_DECL
  
--- 581,595 ----
  static int initialised = 0;
  #define PYINITIALISED initialised
  
  #define DICTKEY_GET(err) \
      if (!PyString_Check(keyObject)) \
      { \
  	PyErr_SetString(PyExc_TypeError, _("only string keys are allowed")); \
  	return err; \
      } \
!     if (PyString_AsStringAndSize(keyObject, (char **) &key, NULL) == -1) \
! 	return err;
! 
  #define DICTKEY_UNREF
  #define DICTKEY_DECL
  
*** ../vim-7.3.656/src/if_python3.c	2012-09-05 18:54:37.000000000 +0200
--- src/if_python3.c	2012-09-05 19:02:07.000000000 +0200
***************
*** 172,177 ****
--- 172,178 ----
  # define PyUnicode_AsEncodedString py3_PyUnicode_AsEncodedString
  # undef PyBytes_AsString
  # define PyBytes_AsString py3_PyBytes_AsString
+ # define PyBytes_AsStringAndSize py3_PyBytes_AsStringAndSize
  # undef PyBytes_FromString
  # define PyBytes_FromString py3_PyBytes_FromString
  # define PyFloat_FromDouble py3_PyFloat_FromDouble
***************
*** 273,278 ****
--- 274,280 ----
  static char* (*py3__PyUnicode_AsString)(PyObject *unicode);
  static PyObject* (*py3_PyUnicode_AsEncodedString)(PyObject *unicode, const char* encoding, const char* errors);
  static char* (*py3_PyBytes_AsString)(PyObject *bytes);
+ static int (*py3_PyBytes_AsStringAndSize)(PyObject *bytes, char **buffer, int *length);
  static PyObject* (*py3_PyBytes_FromString)(char *str);
  static PyObject* (*py3_PyFloat_FromDouble)(double num);
  static double (*py3_PyFloat_AsDouble)(PyObject *);
***************
*** 379,384 ****
--- 381,387 ----
      {"PyImport_AppendInittab", (PYTHON_PROC*)&py3_PyImport_AppendInittab},
      {"_PyUnicode_AsString", (PYTHON_PROC*)&py3__PyUnicode_AsString},
      {"PyBytes_AsString", (PYTHON_PROC*)&py3_PyBytes_AsString},
+     {"PyBytes_AsStringAndSize", (PYTHON_PROC*)&py3_PyBytes_AsStringAndSize},
      {"PyBytes_FromString", (PYTHON_PROC*)&py3_PyBytes_FromString},
      {"PyFloat_FromDouble", (PYTHON_PROC*)&py3_PyFloat_FromDouble},
      {"PyFloat_AsDouble", (PYTHON_PROC*)&py3_PyFloat_AsDouble},
***************
*** 544,560 ****
  
  #define PYINITIALISED py3initialised
  
! /* Add conversion from PyInt? */
  #define DICTKEY_GET(err) \
      if (PyBytes_Check(keyObject)) \
! 	key = (char_u *) PyBytes_AsString(keyObject); \
      else if (PyUnicode_Check(keyObject)) \
      { \
  	bytes = PyString_AsBytes(keyObject); \
  	if (bytes == NULL) \
  	    return err; \
! 	key = (char_u *) PyBytes_AsString(bytes); \
! 	if (key == NULL) \
  	    return err; \
      } \
      else \
--- 547,566 ----
  
  #define PYINITIALISED py3initialised
  
! #define DICTKEY_DECL PyObject *bytes = NULL;
! 
  #define DICTKEY_GET(err) \
      if (PyBytes_Check(keyObject)) \
!     { \
! 	if (PyBytes_AsStringAndSize(keyObject, (char **) &key, NULL) == -1) \
! 	    return err; \
!     } \
      else if (PyUnicode_Check(keyObject)) \
      { \
  	bytes = PyString_AsBytes(keyObject); \
  	if (bytes == NULL) \
  	    return err; \
! 	if (PyBytes_AsStringAndSize(bytes, (char **) &key, NULL) == -1) \
  	    return err; \
      } \
      else \
***************
*** 562,573 ****
  	PyErr_SetString(PyExc_TypeError, _("only string keys are allowed")); \
  	return err; \
      }
  #define DICTKEY_UNREF \
      if (bytes != NULL) \
  	Py_XDECREF(bytes);
  
- #define DICTKEY_DECL PyObject *bytes = NULL;
- 
  /*
   * Include the code shared with if_python.c
   */
--- 568,578 ----
  	PyErr_SetString(PyExc_TypeError, _("only string keys are allowed")); \
  	return err; \
      }
+ 
  #define DICTKEY_UNREF \
      if (bytes != NULL) \
  	Py_XDECREF(bytes);
  
  /*
   * Include the code shared with if_python.c
   */
*** ../vim-7.3.656/src/version.c	2012-09-05 18:54:37.000000000 +0200
--- src/version.c	2012-09-05 19:03:03.000000000 +0200
***************
*** 721,722 ****
--- 721,724 ----
  {   /* Add new patch number below this line */
+ /**/
+     657,
  /**/

-- 
Have you heard about the new Barbie doll?  It's called Divorce
Barbie.  It comes with all of Ken's stuff.

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///