posix conformance fixes

tests/printf5.sub

@@ -0,0 +1,36 @@
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program 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 General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+printf "%.4s\n" abcde
+printf "%.2b\n" abcde
+
+printf "%4d\n" 123
+printf "%5i\n" 123
+printf "%4o\n" 123
+printf "%4x\n" 123
+printf "%4X\n" 123
+printf "%7b\n" hello
+printf "%6s\n" hello
+printf "%4u\n" 123
+printf "%2c\n" 65
+
+printf "%-4d--\n" 123
+printf "%-5i--\n" 123
+printf "%-4o--\n" 123
+printf "%-4x--\n" 123
+printf "%-4X--\n" 123
+printf "%-7b--\n" hello
+printf "%-6s--\n" hello
+printf "%-4u--\n" 123
+printf "%-2c--\n" 65