Issue #11450: Don't truncate hg version info in Py_GetBuildInfo() when
there are many tags (e.g. when using mq). Patch by Nadeem Vawda.
diff --git a/Misc/NEWS b/Misc/NEWS
index c4a271b..b3d099b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
Core and Builtins
-----------------
+- Issue #11450: Don't truncate hg version info in Py_GetBuildInfo() when
+ there are many tags (e.g. when using mq). Patch by Nadeem Vawda.
+
- Issue #10451: memoryview objects could allow to mutate a readable buffer.
Initial patch by Ross Lagerwall.
diff --git a/Modules/getbuildinfo.c b/Modules/getbuildinfo.c
index c70126d..ac51881 100644
--- a/Modules/getbuildinfo.c
+++ b/Modules/getbuildinfo.c
@@ -42,7 +42,9 @@
const char *
Py_GetBuildInfo(void)
{
- static char buildinfo[50];
+ static char buildinfo[50 + sizeof HGVERSION +
+ ((sizeof HGTAG > sizeof HGBRANCH) ?
+ sizeof HGTAG : sizeof HGBRANCH)];
const char *revision = _Py_hgversion();
const char *sep = *revision ? ":" : "";
const char *hgid = _Py_hgidentifier();