import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

security/manager/android_stub.h

@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* This file allows NSS to build by stubbing out
+ * features that aren't provided by Android/Bionic */
+
+#ifndef ANDROID_STUB_H
+#define ANDROID_STUB_H
+
+/* sysinfo is defined but not implemented.
+ * we may be able to implement it ourselves. */
+#define _SYS_SYSINFO_H_
+
+#include <sys/cdefs.h>
+#include <sys/resource.h>
+#include <linux/kernel.h>
+#include <unistd.h>
+
+#ifndef ANDROID_VERSION
+#include <android/api-level.h>
+#define ANDROID_VERSION __ANDROID_API__
+#endif
+
+/* Use this stub version of getdtablesize
+ * instead of the one in the header */
+__attribute__((unused))
+static int getdtablesize_stub(void)
+{
+    struct rlimit r;
+    if (getrlimit(RLIMIT_NOFILE, &r) < 0) {
+        return sysconf(_SC_OPEN_MAX);
+    }
+    return r.rlim_cur;
+}
+#define getdtablesize() getdtablesize_stub()
+
+#if ANDROID_VERSION < 21
+#define RTLD_NOLOAD 0
+#endif
+
+#define sysinfo(foo) -1
+
+#endif /* ANDROID_STUB_H */