From 05fefc0d3f1c35b7a95368db26f25293093263c3 Mon Sep 17 00:00:00 2001
From: xackus <14938807+xackus@users.noreply.github.com>
Date: Mon, 7 Dec 2020 12:30:04 +0100
Subject: [PATCH] std.c: freeing null is a no-op

---
 lib/std/c.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index 9543edd50e..17c826cd2f 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -259,7 +259,7 @@ pub usingnamespace switch (builtin.os.tag) {
 };
 
 pub extern "c" fn realloc(?*c_void, usize) ?*c_void;
-pub extern "c" fn free(*c_void) void;
+pub extern "c" fn free(?*c_void) void;
 pub extern "c" fn posix_memalign(memptr: **c_void, alignment: usize, size: usize) c_int;
 
 pub extern "c" fn futimes(fd: fd_t, times: *[2]timeval) c_int;