From 5ed89c6ce021c3a02c484f7800ec01fab6d5e3c3 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Wed, 23 Jan 2013 14:54:19 +0000
Subject: make TkBackgroundEvalObjv a static function, and eliminate the use of
 the deprecated SaveResult API from it.

---
 generic/tkUtil.c        | 83 -------------------------------------------------
 macosx/tkMacOSXDialog.c | 65 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 83 deletions(-)

diff --git a/generic/tkUtil.c b/generic/tkUtil.c
index 2a8240b..bfa5d5c 100644
--- a/generic/tkUtil.c
+++ b/generic/tkUtil.c
@@ -976,89 +976,6 @@ TkFindStateNumObj(
 }
 
 /*
- * ----------------------------------------------------------------------
- *
- * TkBackgroundEvalObjv --
- *
- *	Evaluate a command while ensuring that we do not affect the
- *	interpreters state. This is important when evaluating script
- *	during background tasks.
- *
- * Results:
- *	A standard Tcl result code.
- *
- * Side Effects:
- *	The interpreters variables and code may be modified by the script
- *	but the result will not be modified.
- *
- * ----------------------------------------------------------------------
- */
-
-int
-TkBackgroundEvalObjv(
-    Tcl_Interp *interp,
-    int objc,
-    Tcl_Obj *const *objv,
-    int flags)
-{
-    Tcl_DString errorInfo, errorCode;
-    Tcl_SavedResult state;
-    int n, r = TCL_OK;
-
-    Tcl_DStringInit(&errorInfo);
-    Tcl_DStringInit(&errorCode);
-
-    Tcl_Preserve(interp);
-
-    /*
-     * Record the state of the interpreter
-     */
-
-    Tcl_SaveResult(interp, &state);
-    Tcl_DStringAppend(&errorInfo,
-	Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY), -1);
-    Tcl_DStringAppend(&errorCode,
-	Tcl_GetVar(interp, "errorCode", TCL_GLOBAL_ONLY), -1);
-
-    /*
-     * Evaluate the command and handle any error.
-     */
-
-    for (n = 0; n < objc; ++n) {
-	Tcl_IncrRefCount(objv[n]);
-    }
-    r = Tcl_EvalObjv(interp, objc, objv, flags);
-    for (n = 0; n < objc; ++n) {
-	Tcl_DecrRefCount(objv[n]);
-    }
-    if (r == TCL_ERROR) {
-        Tcl_AddErrorInfo(interp, "\n    (background event handler)");
-        Tcl_BackgroundError(interp);
-    }
-
-    Tcl_Release(interp);
-
-    /*
-     * Restore the state of the interpreter
-     */
-
-    Tcl_SetVar(interp, "errorInfo",
-	Tcl_DStringValue(&errorInfo), TCL_GLOBAL_ONLY);
-    Tcl_SetVar(interp, "errorCode",
-	Tcl_DStringValue(&errorCode), TCL_GLOBAL_ONLY);
-    Tcl_RestoreResult(interp, &state);
-
-    /*
-     * Clean up references.
-     */
-
-    Tcl_DStringFree(&errorInfo);
-    Tcl_DStringFree(&errorCode);
-
-    return r;
-}
-
-/*
  * Local Variables:
  * mode: c
  * c-basic-offset: 4
diff --git a/macosx/tkMacOSXDialog.c b/macosx/tkMacOSXDialog.c
index d9e824a..bc11b96 100644
--- a/macosx/tkMacOSXDialog.c
+++ b/macosx/tkMacOSXDialog.c
@@ -14,6 +14,9 @@
 #include "tkMacOSXPrivate.h"
 #include "tkFileFilter.h"
 
+static int TkBackgroundEvalObjv(Tcl_Interp *interp, int objc,
+    Tcl_Obj *const *objv, int flags);
+
 static const char *colorOptionStrings[] = {
     "-initialcolor", "-parent", "-title", NULL
 };
@@ -1057,6 +1060,68 @@ end:
 }
 
 /*
+ * ----------------------------------------------------------------------
+ *
+ * TkBackgroundEvalObjv --
+ *
+ *	Evaluate a command while ensuring that we do not affect the
+ *	interpreters state. This is important when evaluating script
+ *	during background tasks.
+ *
+ * Results:
+ *	A standard Tcl result code.
+ *
+ * Side Effects:
+ *	The interpreters variables and code may be modified by the script
+ *	but the result will not be modified.
+ *
+ * ----------------------------------------------------------------------
+ */
+
+int
+TkBackgroundEvalObjv(
+    Tcl_Interp *interp,
+    int objc,
+    Tcl_Obj *const *objv,
+    int flags)
+{
+    Tcl_InterpState state;
+    int n, r = TCL_OK;
+
+    /*
+     * Record the state of the interpreter.
+     */
+
+    Tcl_Preserve(interp);
+    state = Tcl_SaveInterpState(interp, TCL_OK);
+
+    /*
+     * Evaluate the command and handle any error.
+     */
+
+    for (n = 0; n < objc; ++n) {
+	Tcl_IncrRefCount(objv[n]);
+    }
+    r = Tcl_EvalObjv(interp, objc, objv, flags);
+    for (n = 0; n < objc; ++n) {
+	Tcl_DecrRefCount(objv[n]);
+    }
+    if (r == TCL_ERROR) {
+	Tcl_AddErrorInfo(interp, "\n    (background event handler)");
+	Tcl_BackgroundError(interp);
+    }
+
+    /*
+     * Restore the state of the interpreter.
+     */
+
+    (void) Tcl_RestoreInterpState(interp, state);
+    Tcl_Release(interp);
+
+    return r;
+}
+
+/*
  * Local Variables:
  * mode: objc
  * c-basic-offset: 4
-- 
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