path: root/tests/dd/bytes.sh

#!/bin/sh# Copyright (C) 2012-2025 Free Software Foundation, Inc.# 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 <https://www.gnu.org/licenses/>. . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ ddecho0123456789abcdefghijklm >in || framework_failure_ # count bytesfor operands in"count=14B""count=14 iflag=count_bytes";dodd$operands conv=swab <in> out 2> /dev/null || fail=1case $(cat out)in1032547698badc) ;;*) fail=1;;esacdonefor operands in"iseek=10B""skip=10 iflag=skip_bytes";do# skip bytesdd$operands<in> out 2> /dev/null || fail=1case $(cat out)in abcdefghijklm) ;;*) fail=1;;esac# skip records and bytes from pipeecho0123456789abcdefghijklm | dd$operands bs=2> out 2> /dev/null || fail=1case $(cat out)in abcdefghijklm) ;;*) fail=1;;esacdone truncate -s8 expected2 printf'\0\0\0\0\0\0\0\0abcdefghijklm\n'> expected for operands in"oseek=8B""seek=8 oflag=seek_bytes";do# seek bytesecho abcdefghijklm | dd$operands bs=5> out 2> /dev/null || fail=1 compare expected out || fail=1# Just truncation, no I/Odd$operands bs=5 of=out2 count=0 2> /dev/null || fail=1 compare expected2 out2 || fail=1done# Check recursive integer parsingfor oseek in'1x2x4 oflag=seek_bytes''1Bx2x4''1Bx8''2Bx4B''2x4B';do# seek bytesecho abcdefghijklm | dd oseek=$oseek bs=5> out 2> /dev/null || fail=1 compare expected out || fail=1done# Negative checks for integer parsingfor count in B B1 Bx1 KBB BB KBb KBx x1 1x 1xx1;do returns_ 1dd count=$count</dev/null >/dev/null || fail=1done Exit $fail