From d1ec23fe46f2d95655fbeb7b78fbd5e9f1d2c6d3 Mon Sep 17 00:00:00 2001
From: Gilles DAVID <gilles-g.david@edf.fr>
Date: Thu, 30 Mar 2017 16:53:33 +0200
Subject: [PATCH] [PY3] Rewriting of Py_EncodeLocale and Py_DecodeLocale
 (python < 3.5)

---
 src/SUITApp/SUITApp_init_python.cxx    | 28 ++++++-------------------
 tools/PyInterp/src/PyInterp_Interp.cxx | 29 --------------------------
 tools/PyInterp/src/PyInterp_Utils.h    | 13 ++++++++++++
 3 files changed, 19 insertions(+), 51 deletions(-)

diff --git a/src/SUITApp/SUITApp_init_python.cxx b/src/SUITApp/SUITApp_init_python.cxx
index 7f5d7021c..3724dd562 100644
--- a/src/SUITApp/SUITApp_init_python.cxx
+++ b/src/SUITApp/SUITApp_init_python.cxx
@@ -24,31 +24,15 @@
 #include <QString>
 
 #if PY_VERSION_HEX < 0x03050000
+static char*
+Py_EncodeLocale(const wchar_t *arg, size_t *size)
+{
+	return _Py_wchar2char(arg, size);
+}
 static wchar_t*
 Py_DecodeLocale(const char *arg, size_t *size)
 {
-    wchar_t *res;
-    unsigned char *in;
-    wchar_t *out;
-    size_t argsize = strlen(arg) + 1;
-
-    if (argsize > PY_SSIZE_T_MAX/sizeof(wchar_t))
-        return NULL;
-    res = (wchar_t*) PyMem_RawMalloc(argsize*sizeof(wchar_t));
-    if (!res)
-        return NULL;
-
-    in = (unsigned char*)arg;
-    out = res;
-    while(*in)
-        if(*in < 128)
-            *out++ = *in++;
-        else
-            *out++ = 0xdc00 + *in++;
-    *out = 0;
-    if (size != NULL)
-        *size = out - res;
-    return res;
+	return _Py_char2wchar(arg, size);
 }
 #endif
 
diff --git a/tools/PyInterp/src/PyInterp_Interp.cxx b/tools/PyInterp/src/PyInterp_Interp.cxx
index 4b8f8fe76..27703c2a0 100644
--- a/tools/PyInterp/src/PyInterp_Interp.cxx
+++ b/tools/PyInterp/src/PyInterp_Interp.cxx
@@ -40,35 +40,6 @@
 #define TOP_HISTORY_PY   "--- top of history ---"
 #define BEGIN_HISTORY_PY "--- begin of history ---"
 
-#if PY_VERSION_HEX < 0x03050000
-static wchar_t*
-Py_DecodeLocale(const char *arg, size_t *size)
-{
-    wchar_t *res;
-    unsigned char *in;
-    wchar_t *out;
-    size_t argsize = strlen(arg) + 1;
-
-    if (argsize > PY_SSIZE_T_MAX/sizeof(wchar_t))
-        return NULL;
-    res = (wchar_t*) PyMem_RawMalloc(argsize*sizeof(wchar_t));
-    if (!res)
-        return NULL;
-
-    in = (unsigned char*)arg;
-    out = res;
-    while(*in)
-        if(*in < 128)
-            *out++ = *in++;
-        else
-            *out++ = 0xdc00 + *in++;
-    *out = 0;
-    if (size != NULL)
-        *size = out - res;
-    return res;
-}
-#endif
-
 /*
   The following functions are used to hook the Python
   interpreter output.
diff --git a/tools/PyInterp/src/PyInterp_Utils.h b/tools/PyInterp/src/PyInterp_Utils.h
index d47ff1846..7ad22d962 100644
--- a/tools/PyInterp/src/PyInterp_Utils.h
+++ b/tools/PyInterp/src/PyInterp_Utils.h
@@ -31,6 +31,19 @@
   #include <iostream>
 #endif
 
+#if PY_VERSION_HEX < 0x03050000
+static char*
+Py_EncodeLocale(const wchar_t *arg, size_t *size)
+{
+	return _Py_wchar2char(arg, size);
+}
+static wchar_t*
+Py_DecodeLocale(const char *arg, size_t *size)
+{
+	return _Py_char2wchar(arg, size);
+}
+#endif
+
 /**
  * \class PyLockWrapper
  * \brief Python GIL wrapper.
-- 
2.39.2