[PATCH 08 of 11] parsers: use Python memory allocator in compute_phases_map_sets()

[Gregory Szorc]

# HG changeset patch
# User Gregory Szorc <gregory.szorc at gmail.com>
# Date 1489090353 28800
#      Thu Mar 09 12:12:33 2017 -0800
# Node ID 66d9008cce9f3b543edf564956d804143747d3c6
# Parent  a53adfed7bea034f87d3d603e04dd04e7b16137f
parsers: use Python memory allocator in compute_phases_map_sets()

diff --git a/mercurial/parsers.c b/mercurial/parsers.c
--- a/mercurial/parsers.c
+++ b/mercurial/parsers.c
@@ -1348,11 +1348,14 @@ static PyObject *compute_phases_map_sets
 	if (roots == NULL || !PyList_Check(roots))
 		goto done;
 
-	phases = calloc(len, 1); /* phase per rev: {0: public, 1: draft, 2: secret} */
+	/* phase per rev: {0: public, 1: draft, 2: secret} */
+	phases = PyMem_Malloc(len);
 	if (phases == NULL) {
 		PyErr_NoMemory();
 		goto done;
 	}
+	memset(phases, 0, len);
+
 	/* Put the phase information of all the roots in phases */
 	numphase = PyList_GET_SIZE(roots)+1;
 	minrevallphases = len + 1;
@@ -1415,7 +1418,7 @@ release:
 	Py_XDECREF(phaseslist);
 	Py_XDECREF(phasessetlist);
 done:
-	free(phases);
+	PyMem_Free(phases);
 	return ret;
 }