1 files changed, 53 insertions, 0 deletions
diff --git a/libsh/errno.sh b/libsh/errno.sh
new file mode 100644
index 0000000..a0f9648
--- /dev/null
+++ b/libsh/errno.sh
@@ -0,0 +1,53 @@
+# Copyright (C) 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/>.
+
+static errlist='
+	EINVAL   1
+	EUNK     2
+	EMFILE   3
+	EACCES   4
+	ENOENT   5
+	EISDIR   6
+	EBADF    7
+	'
+
+static strerror()
+{
+	local errnum=${1}
+
+	eval "msgget \"\${__errsym_${errnum}}\""
+}
+
+static init_error_syms()
+{
+	IFS=' '
+	while read errsym errno; do
+		eval "${errsym}=${errno}"
+		eval "__errsym_${errno}=${errsym}"
+	done <<-EOF
+		${errlist}
+		EOF
+	unset IFS
+}
+__init ${init_error_syms}
+
+static errno_alias()
+{
+	__alias ${strerror} strerror int
+}
+__init ${errno_alias}