1 files changed, 44 insertions, 0 deletions
diff --git a/libc/misc/auxvt/getauxval.c b/libc/misc/auxvt/getauxval.c
new file mode 100755
index 000000000..7610b7e5c
--- /dev/null
+++ b/libc/misc/auxvt/getauxval.c
@@ -0,0 +1,44 @@
+/*  Copyright (C) 2022     Ramin Seyed Moussavi
+ *  An getauxval() function compatible with the glibc auxv.h
+ *  that is used by uClibc-ng.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, see
+ *  <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <ldso.h>
+#include <sys/auxv.h>
+
+unsigned long int __getauxval (unsigned long int __type)
+{
+	// Requested value part of cached subset of auxiliary vector?
+	if (__type < AUX_MAX_AT_ID) {
+		if (_dl_auxvt[__type].a_type == __type)
+			return _dl_auxvt[__type].a_un.a_val;
+
+		__set_errno (ENOENT);
+		return 0;
+	}
+
+	// Otherwise we have to iterate the auxiliary vector.
+	for (ElfW(auxv_t) *entry = _dl_auxv_start; entry->a_type != AT_NULL; entry++)
+		if (entry->a_type == __type)
+			return entry->a_un.a_val;
+
+	__set_errno (ENOENT);
+	return 0;
+}
+
+weak_alias(__getauxval, getauxval)