Use PyOS_snprintf instead of sprintf.
diff --git a/Python/strerror.c b/Python/strerror.c
index b803b29..aeb7dd5 100644
--- a/Python/strerror.c
+++ b/Python/strerror.c
@@ -3,6 +3,7 @@
Author: Guido van Rossum, CWI Amsterdam, Oct. 1990, <guido@cwi.nl>. */
#include <stdio.h>
+#include "Python.h"
extern int sys_nerr;
extern char *sys_errlist[];
@@ -13,7 +14,7 @@
static char buf[20];
if (err >= 0 && err < sys_nerr)
return sys_errlist[err];
- sprintf(buf, "Unknown errno %d", err);
+ PyOS_snprintf(buf, sizeof(buf), "Unknown errno %d", err);
return buf;
}