fix text scrolling in GTK2 (patch 703988)

[wxWidgets.git] / wxPython / src / libpy.c

diff --git a/wxPython/src/libpy.c b/wxPython/src/libpy.c
index 7f05d84e59c56ff00f2a0b343e9b20e8a4736d26..6fe6c00bfb7be9b086ccb86b3c9f59c5590e0ddf 100644 (file)
--- a/wxPython/src/libpy.c
+++ b/wxPython/src/libpy.c
@@ -5,11 +5,11 @@
  * Contains variable linking and pointer type-checking code.
  ************************************************************************/
 
+#include "Python.h"
+
 #include <string.h>
 #include <stdlib.h>
 
-#include "Python.h"
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -317,11 +317,11 @@ SWIG_GetPtr(char *c, void **ptr, char *t)
   if (*c != '_') {
     *ptr = (void *) 0;
     if (strcmp(c,"NULL") == 0) return (char *) 0;
-    else c;
+    else return c;
   }
   c++;
   /* Extract hex value from pointer */
-  while (d = *c) {
+  while ((d = *c) != 0) {
     if ((d >= '0') && (d <= '9'))
       p = (p << 4) + (d - '0');
     else if ((d >= 'a') && (d <= 'f'))
@@ -362,7 +362,7 @@ SWIG_GetPtr(char *c, void **ptr, char *t)
   sp = &SwigPtrTable[start];
 
   /* Try to find a match */
-  while (start <= end) {
+  while (start < end) {               /* was "<="     --robin */
     if (strncmp(t,sp->name,sp->len) == 0) {
       name = sp->name;
       len = sp->len;
@@ -402,16 +402,38 @@ SWIGSTATICRUNTIME(char *)
 SWIG_GetPtrObj(PyObject *obj, void **ptr, char *type) {
   PyObject *sobj = obj;
   char     *str;
+
   if (!PyString_Check(obj)) {
       if (!PyInstance_Check(obj) || !(sobj = PyObject_GetAttrString(obj,"this")))
           return "";
+      // PyObject_GetAttrString increases sobj refcout !
+      Py_DECREF(sobj);
   }
   str = PyString_AsString(sobj);
+  if (str == NULL)
+      return "";
   return SWIG_GetPtr(str,ptr,type);
 }
 
+
 #ifdef __cplusplus
 }
 #endif
 
 
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