From 092381a9799ebadba1199eb83e40f880a9bb58ee Mon Sep 17 00:00:00 2001
From: Armin Rigo <arigo@tunes.org>
Date: Sat, 25 Oct 2003 14:29:27 +0000
Subject: [PATCH] Made function declaration a proper C prototype

---
 Python/ceval.c  | 48 ++++++++++++++++++++++++++++--------------------
 Python/errors.c |  2 +-
 2 files changed, 29 insertions(+), 21 deletions(-)

diff --git a/Python/ceval.c b/Python/ceval.c
index e6b742499ba..59054a6e358 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -510,6 +510,29 @@ Py_SetRecursionLimit(int new_limit)
 	recursion_limit = new_limit;
 }
 
+int
+_Py_CheckRecursiveCall(char *where)
+{
+	PyThreadState *tstate = PyThreadState_GET();
+
+#ifdef USE_STACKCHECK
+	if (PyOS_CheckStack()) {
+		--tstate->recursion_depth;
+		PyErr_SetString(PyExc_MemoryError, "Stack overflow");
+		return -1;
+	}
+#endif
+	if (tstate->recursion_depth > recursion_limit) {
+		--tstate->recursion_depth;
+		PyErr_Format(PyExc_RuntimeError,
+			     "maximum recursion depth exceeded%s",
+			     where);
+		return -1;
+	}
+	return 0;
+}
+
+
 /* Status code for main loop (reason for stack unwind) */
 
 enum why_code {
@@ -674,21 +697,9 @@ eval_frame(PyFrameObject *f)
 	if (f == NULL)
 		return NULL;
 
-#ifdef USE_STACKCHECK
-	if (tstate->recursion_depth%10 == 0 && PyOS_CheckStack()) {
-		PyErr_SetString(PyExc_MemoryError, "Stack overflow");
-		return NULL;
-	}
-#endif
-
 	/* push frame */
-	if (++tstate->recursion_depth > recursion_limit) {
-		--tstate->recursion_depth;
-		PyErr_SetString(PyExc_RuntimeError,
-				"maximum recursion depth exceeded");
-		tstate->frame = f->f_back;
+	if (Py_EnterRecursiveCall(""))
 		return NULL;
-	}
 
 	tstate->frame = f;
 
@@ -710,9 +721,7 @@ eval_frame(PyFrameObject *f)
 			if (call_trace(tstate->c_tracefunc, tstate->c_traceobj,
 				       f, PyTrace_CALL, Py_None)) {
 				/* Trace function raised an error */
-				--tstate->recursion_depth;
-				tstate->frame = f->f_back;
-				return NULL;
+				goto exit_eval_frame;
 			}
 		}
 		if (tstate->c_profilefunc != NULL) {
@@ -722,9 +731,7 @@ eval_frame(PyFrameObject *f)
 				       tstate->c_profileobj,
 				       f, PyTrace_CALL, Py_None)) {
 				/* Profile function raised an error */
-				--tstate->recursion_depth;
-				tstate->frame = f->f_back;
-				return NULL;
+				goto exit_eval_frame;
 			}
 		}
 	}
@@ -2428,7 +2435,8 @@ eval_frame(PyFrameObject *f)
 	reset_exc_info(tstate);
 
 	/* pop frame */
-	--tstate->recursion_depth;
+    exit_eval_frame:
+	Py_LeaveRecursiveCall();
 	tstate->frame = f->f_back;
 
 	return retval;
diff --git a/Python/errors.c b/Python/errors.c
index 1788cdd33f7..4d88d2d582c 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -599,7 +599,7 @@ PyErr_WriteUnraisable(PyObject *obj)
 	Py_XDECREF(tb);
 }
 
-extern PyObject *PyModule_GetWarningsModule();
+extern PyObject *PyModule_GetWarningsModule(void);
 
 /* Function to issue a warning message; may raise an exception. */
 int