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1#! /bin/sh
2#
3# SPDX-License-Identifier: BSD-2-Clause
4#
5# Copyright (c) 2018-2021 Gavin D. Howard and contributors.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions are met:
9#
10# * Redistributions of source code must retain the above copyright notice, this
11#   list of conditions and the following disclaimer.
12#
13# * Redistributions in binary form must reproduce the above copyright notice,
14#   this list of conditions and the following disclaimer in the documentation
15#   and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27# POSSIBILITY OF SUCH DAMAGE.
28#
29
30readlink() {
31
32	_readlink_f="$1"
33	shift
34
35	_readlink_arrow="-> "
36	_readlink_d=$(dirname "$_readlink_f")
37
38	_readlink_lsout=""
39	_readlink_link=""
40
41	_readlink_lsout=$(ls -dl "$_readlink_f")
42	_readlink_link=$(printf '%s' "${_readlink_lsout#*$_readlink_arrow}")
43
44	while [ -z "${_readlink_lsout##*$_readlink_arrow*}" ]; do
45		_readlink_f="$_readlink_d/$_readlink_link"
46		_readlink_d=$(dirname "$_readlink_f")
47		_readlink_lsout=$(ls -dl "$_readlink_f")
48		_readlink_link=$(printf '%s' "${_readlink_lsout#*$_readlink_arrow}")
49	done
50
51	printf '%s' "${_readlink_f##*$_readlink_d/}"
52}
53
54err_exit() {
55
56	if [ "$#" -ne 2 ]; then
57		printf 'Invalid number of args to err_exit\n'
58		exit 1
59	fi
60
61	printf '%s\n' "$1"
62	exit "$2"
63}
64
65checktest_retcode() {
66
67	_checktest_retcode_d="$1"
68	shift
69
70	_checktest_retcode_err="$1"
71	shift
72
73	_checktest_retcode_name="$1"
74	shift
75
76	if [ "$_checktest_retcode_err" -ne 0 ]; then
77		printf 'FAIL!!!\n'
78		err_exit "$_checktest_retcode_d failed test '$_checktest_retcode_name' with error code $_checktest_retcode_err" 1
79	fi
80}
81
82checktest() {
83
84	_checktest_d="$1"
85	shift
86
87	_checktest_err="$1"
88	shift
89
90	_checktest_name="$1"
91	shift
92
93	_checktest_test_path="$1"
94	shift
95
96	_checktest_results_name="$1"
97	shift
98
99	checktest_retcode "$_checktest_d" "$_checktest_err" "$_checktest_name"
100
101	_checktest_diff=$(diff "$_checktest_test_path" "$_checktest_results_name")
102
103	_checktest_err="$?"
104
105	if [ "$_checktest_err" -ne 0 ]; then
106		printf 'FAIL!!!\n'
107		printf '%s\n' "$_checktest_diff"
108		err_exit "$_checktest_d failed test $_checktest_name" 1
109	fi
110}
111
112die() {
113
114	_die_d="$1"
115	shift
116
117	_die_msg="$1"
118	shift
119
120	_die_name="$1"
121	shift
122
123	_die_err="$1"
124	shift
125
126	_die_str=$(printf '\n%s %s on test:\n\n    %s\n' "$_die_d" "$_die_msg" "$_die_name")
127
128	err_exit "$_die_str" "$_die_err"
129}
130
131checkcrash() {
132
133	_checkcrash_d="$1"
134	shift
135
136	_checkcrash_error="$1"
137	shift
138
139	_checkcrash_name="$1"
140	shift
141
142	if [ "$_checkcrash_error" -gt 127 ]; then
143		die "$_checkcrash_d" "crashed ($_checkcrash_error)" \
144			"$_checkcrash_name" "$_checkcrash_error"
145	fi
146}
147
148checkerrtest()
149{
150	_checkerrtest_d="$1"
151	shift
152
153	_checkerrtest_error="$1"
154	shift
155
156	_checkerrtest_name="$1"
157	shift
158
159	_checkerrtest_out="$1"
160	shift
161
162	_checkerrtest_exebase="$1"
163	shift
164
165	checkcrash "$_checkerrtest_d" "$_checkerrtest_error" "$_checkerrtest_name"
166
167	if [ "$_checkerrtest_error" -eq 0 ]; then
168		die "$_checkerrtest_d" "returned no error" "$_checkerrtest_name" 127
169	fi
170
171	if [ "$_checkerrtest_error" -eq 100 ]; then
172
173		_checkerrtest_output=$(cat "$_checkerrtest_out")
174		_checkerrtest_fatal_error="Fatal error"
175
176		if [ "${_checkerrtest_output##*$_checkerrtest_fatal_error*}" ]; then
177			printf "%s\n" "$_checkerrtest_output"
178			die "$_checkerrtest_d" "had memory errors on a non-fatal error" \
179				"$_checkerrtest_name" "$_checkerrtest_error"
180		fi
181	fi
182
183	if [ ! -s "$_checkerrtest_out" ]; then
184		die "$_checkerrtest_d" "produced no error message" "$_checkerrtest_name" "$_checkerrtest_error"
185	fi
186
187	# Display the error messages if not directly running exe.
188	# This allows the script to print valgrind output.
189	if [ "$_checkerrtest_exebase" != "bc" -a "$_checkerrtest_exebase" != "dc" ]; then
190		cat "$_checkerrtest_out"
191	fi
192}
193
194substring_replace() {
195
196	_substring_replace_str="$1"
197	shift
198
199	_substring_replace_needle="$1"
200	shift
201
202	_substring_replace_replacement="$1"
203	shift
204
205	_substring_replace_result=$(printf '%s\n' "$_substring_replace_str" | \
206		sed -e "s!$_substring_replace_needle!$_substring_replace_replacement!g")
207
208	printf '%s' "$_substring_replace_result"
209}
210
211gen_nlspath() {
212
213	_gen_nlspath_nlspath="$1"
214	shift
215
216	_gen_nlspath_locale="$1"
217	shift
218
219	_gen_nlspath_execname="$1"
220	shift
221
222	_gen_nlspath_char="@"
223	_gen_nlspath_modifier="${_gen_nlspath_locale#*$_gen_nlspath_char}"
224	_gen_nlspath_tmplocale="${_gen_nlspath_locale%%$_gen_nlspath_char*}"
225
226	_gen_nlspath_char="."
227	_gen_nlspath_charset="${_gen_nlspath_tmplocale#*$_gen_nlspath_char}"
228	_gen_nlspath_tmplocale="${_gen_nlspath_tmplocale%%$_gen_nlspath_char*}"
229
230	if [ "$_gen_nlspath_charset" = "$_gen_nlspath_tmplocale" ]; then
231		_gen_nlspath_charset=""
232	fi
233
234	_gen_nlspath_char="_"
235	_gen_nlspath_territory="${_gen_nlspath_tmplocale#*$_gen_nlspath_char}"
236	_gen_nlspath_language="${_gen_nlspath_tmplocale%%$_gen_nlspath_char*}"
237
238	if [ "$_gen_nlspath_territory" = "$_gen_nlspath_tmplocale" ]; then
239		_gen_nlspath_territory=""
240	fi
241
242	if [ "$_gen_nlspath_language" = "$_gen_nlspath_tmplocale" ]; then
243		_gen_nlspath_language=""
244	fi
245
246	_gen_nlspath_needles="%%:%L:%N:%l:%t:%c"
247
248	_gen_nlspath_needles=$(printf '%s' "$_gen_nlspath_needles" | tr ':' '\n')
249
250	for _gen_nlspath_i in $_gen_nlspath_needles; do
251		_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "$_gen_nlspath_i" "|$_gen_nlspath_i|")
252	done
253
254	_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "%%" "%")
255	_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "%L" "$_gen_nlspath_locale")
256	_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "%N" "$_gen_nlspath_execname")
257	_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "%l" "$_gen_nlspath_language")
258	_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "%t" "$_gen_nlspath_territory")
259	_gen_nlspath_nlspath=$(substring_replace "$_gen_nlspath_nlspath" "%c" "$_gen_nlspath_charset")
260
261	_gen_nlspath_nlspath=$(printf '%s' "$_gen_nlspath_nlspath" | tr -d '|')
262
263	printf '%s' "$_gen_nlspath_nlspath"
264}
265