# Copyright (C) 2014, 2016  Patrick "P. J." McDermott
#
# This file is part of libsh.
#
# libsh is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# libsh 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 General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libsh.  If not, see
# <http://www.gnu.org/licenses/>.

RAND_MAX=2147483647  # 2^31 - 1

static x=1

rand_x=1

srand(int s)
{
	x=${s}
	rand_x=${s}
}

rand(void)
{
	# Multiplier, increment, and modulus values are those used in glibc.
	x=$((1103515245 * ${x} + 12345))
	x=$((${x} % (${RAND_MAX} + 1)))
	rand_x=${x}
}