1 files changed, 46 insertions, 0 deletions
diff --git a/libsh/rand.sh b/libsh/rand.sh
new file mode 100644
index 0000000..07347d3
--- /dev/null
+++ b/libsh/rand.sh
@@ -0,0 +1,46 @@
+# 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
+
+static srand()
+{
+	local s="${1}"
+
+	x=${s}
+	rand_x=${s}
+}
+
+static rand()
+{
+	# Multiplier, increment, and modulus values are those used in glibc.
+	x=$((1103515245 * ${x} + 12345))
+	x=$((${x} % (${RAND_MAX} + 1)))
+	rand_x=${x}
+}
+
+static rand_alias()
+{
+	__alias ${srand} srand int
+	__alias ${rand} rand
+}
+__init ${rand_alias}