various utf8 compatibility fixes

- OBJ import/export now work with non utf8 paths. (all exporters and importers need changes like this)
- strip non utf8 chars from new ID blocks (also applies to renaming)
- set the file rename button to allow non-utf8 chars. 

3 files changed, 13 insertions, 4 deletions

diff --git a/source/blender/blenkernel/intern/library.c b/source/blender/blenkernel/intern/library.c
index 8c8e4bb034f..64d9a23b6a6 100644
--- a/source/blender/blenkernel/intern/library.c
+++ b/source/blender/blenkernel/intern/library.c
@@ -1185,8 +1185,15 @@ int new_id(ListBase *lb, ID *id, const char *tname)
 	 * easier to assign each time then to check if its needed */
 	name[sizeof(name)-1]= 0;
 
-	if(name[0] == '\0')
+	if(name[0] == '\0') {
+		/* disallow empty names */
 		strcpy(name, ID_FALLBACK_NAME);
+	}
+	else {
+		/* disallow non utf8 chars,
+		 * the interface checks for this but new ID's based on file names dont */
+		BLI_utf8_invalid_strip(name, strlen(name));
+	}
 
 	result = check_for_dupid(lb, id, name);
 	strcpy(id->name+2, name);
@@ -1377,8 +1384,9 @@ void text_idbutton(struct ID *id, char *text)
 			text[4]= 0;
 		}
 	}
-	else
-		strcpy(text, "");
+	else {
+		text[0]= '\0';
+	}
 }
 
 void rename_id(ID *id, char *name)
diff --git a/source/blender/editors/space_file/file_draw.c b/source/blender/editors/space_file/file_draw.c
index 0867acbfb60..5f435aa0cbe 100644
--- a/source/blender/editors/space_file/file_draw.c
+++ b/source/blender/editors/space_file/file_draw.c
@@ -544,6 +544,7 @@ void file_draw_list(const bContext *C, ARegion *ar)
 			uiBut *but = uiDefBut(block, TEX, 1, "", spos, sy-layout->tile_h-3, 
 				but_width, layout->textheight*2, sfile->params->renameedit, 1.0f, (float)sizeof(sfile->params->renameedit),0,0,"");
 			uiButSetRenameFunc(but, renamebutton_cb, file);
+			uiButSetFlag(but, UI_BUT_NO_UTF8); /* allow non utf8 names */
 			if ( 0 == uiButActiveOnly(C, block, but)) {
 				file->flags &= ~EDITING;
 			}
diff --git a/source/blender/python/intern/bpy_rna.c b/source/blender/python/intern/bpy_rna.c
index 2c16d4f2b56..6cc191757ed 100644
--- a/source/blender/python/intern/bpy_rna.c
+++ b/source/blender/python/intern/bpy_rna.c
@@ -233,7 +233,7 @@ static const char *py_safe_unicode_to_byte(PyObject *py_str, PyObject **coerce)
 	}
 }
 
-static PyObject *py_safe_byte_to_unicode(char *str)
+static PyObject *py_safe_byte_to_unicode(const char *str)
 {
 	PyObject *result= PyUnicode_FromString(str);
 	if(result) {