1#!/bin/sh
2
3# Copyright (C) 2012-2023 Free Software Foundation, Inc.
4
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 3 of the License, or
8# (at your option) any later version.
9
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <https://www.gnu.org/licenses/>.
17
18. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
19print_ver_ dd
20
21echo 0123456789abcdefghijklm > in || framework_failure_
22
23# count bytes
24for operands in "count=14B" "count=14 iflag=count_bytes"; do
25  dd $operands conv=swab < in > out 2> /dev/null || fail=1
26  case $(cat out) in
27   1032547698badc) ;;
28   *) fail=1 ;;
29  esac
30done
31
32for operands in "iseek=10B" "skip=10 iflag=skip_bytes"; do
33  # skip bytes
34  dd $operands < in > out 2> /dev/null || fail=1
35  case $(cat out) in
36   abcdefghijklm) ;;
37   *) fail=1 ;;
38  esac
39
40  # skip records and bytes from pipe
41  echo 0123456789abcdefghijklm |
42    dd $operands bs=2 > out 2> /dev/null || fail=1
43  case $(cat out) in
44   abcdefghijklm) ;;
45   *) fail=1 ;;
46  esac
47done
48
49truncate -s8 expected2
50printf '\0\0\0\0\0\0\0\0abcdefghijklm\n' > expected
51
52for operands in "oseek=8B" "seek=8 oflag=seek_bytes"; do
53  # seek bytes
54  echo abcdefghijklm |
55    dd $operands bs=5 > out 2> /dev/null || fail=1
56  compare expected out || fail=1
57
58  # Just truncation, no I/O
59  dd $operands bs=5 of=out2 count=0 2> /dev/null || fail=1
60  compare expected2 out2 || fail=1
61done
62
63# Check recursive integer parsing
64for oseek in '1x2x4 oflag=seek_bytes' '1Bx2x4' '1Bx8' '2Bx4B' '2x4B'; do
65  # seek bytes
66  echo abcdefghijklm |
67    dd oseek=$oseek bs=5 > out 2> /dev/null || fail=1
68  compare expected out || fail=1
69done
70
71# Negative checks for integer parsing
72for count in B B1 Bx1 KBB BB KBb KBx x1 1x 1xx1; do
73  returns_ 1 dd count=$count </dev/null >/dev/null || fail=1
74done
75Exit $fail
76