linux/scripts/gcc-plugins/gen-random-seed.sh
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   1#!/bin/sh
   2# SPDX-License-Identifier: GPL-2.0
   3
   4if [ ! -f "$1" ]; then
   5        SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'`
   6        echo "const char *randstruct_seed = \"$SEED\";" > "$1"
   7        HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'`
   8        echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2"
   9fi
  10