X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..ba77f39094de162f80a09cc84f0c93373c2584f9:/wxPython/src/libpy.c

diff --git a/wxPython/src/libpy.c b/wxPython/src/libpy.c
index 5841d40a50..1116e677df 100644
--- a/wxPython/src/libpy.c
+++ b/wxPython/src/libpy.c
@@ -5,10 +5,14 @@
  * Contains variable linking and pointer type-checking code.
  ************************************************************************/
 
+#include <string.h>
+#include <stdlib.h>
+
+#include "Python.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
-#include "Python.h"
 
 /* Definitions for Windows/Unix exporting */
 #if defined(_WIN32) || defined(__WIN32__)
@@ -313,11 +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'))
@@ -358,7 +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;
@@ -401,13 +405,34 @@ SWIG_GetPtrObj(PyObject *obj, void **ptr, char *type) {
   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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