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more fixes to testsuite by Cristian and vda
This commit is contained in:
Denis Vlasenko
parent
4e79049e10
commit
687a26fe0d
230
scripts/echo.c
Normal file
230
scripts/echo.c
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@ -0,0 +1,230 @@
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/* vi: set sw=4 ts=4: */
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/*
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* echo implementation for busybox - used as a helper for testsuite/*
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* on systems lacking "echo -en"
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*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*
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* Original copyright notice is retained at the end of this file.
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*/
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/* BB_AUDIT SUSv3 compliant -- unless configured as fancy echo. */
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/* http://www.opengroup.org/onlinepubs/007904975/utilities/echo.html */
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/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
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*
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* Because of behavioral differences, implemented configurable SUSv3
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* or 'fancy' gnu-ish behaviors. Also, reduced size and fixed bugs.
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* 1) In handling '\c' escape, the previous version only suppressed the
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* trailing newline. SUSv3 specifies _no_ output after '\c'.
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* 2) SUSv3 specifies that octal escapes are of the form \0{#{#{#}}}.
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* The previous version did not allow 4-digit octals.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <limits.h>
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#define WANT_HEX_ESCAPES 1
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/* Usual "this only works for ascii compatible encodings" disclaimer. */
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#undef _tolower
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#define _tolower(X) ((X)|((char) 0x20))
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static char bb_process_escape_sequence(const char **ptr)
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{
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static const char charmap[] = {
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'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', 0,
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'\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
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const char *p;
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const char *q;
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unsigned int num_digits;
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unsigned int r;
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unsigned int n;
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unsigned int d;
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unsigned int base;
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num_digits = n = 0;
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base = 8;
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q = *ptr;
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#ifdef WANT_HEX_ESCAPES
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if (*q == 'x') {
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++q;
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base = 16;
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++num_digits;
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}
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#endif
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do {
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d = (unsigned char)(*q) - '0';
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#ifdef WANT_HEX_ESCAPES
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if (d >= 10) {
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d = (unsigned char)(_tolower(*q)) - 'a' + 10;
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}
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#endif
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if (d >= base) {
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#ifdef WANT_HEX_ESCAPES
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if ((base == 16) && (!--num_digits)) {
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/* return '\\'; */
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--q;
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}
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#endif
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break;
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}
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r = n * base + d;
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if (r > UCHAR_MAX) {
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break;
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}
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n = r;
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++q;
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} while (++num_digits < 3);
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if (num_digits == 0) { /* mnemonic escape sequence? */
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p = charmap;
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do {
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if (*p == *q) {
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q++;
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break;
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}
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} while (*++p);
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n = *(p + (sizeof(charmap)/2));
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}
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*ptr = q;
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return (char) n;
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}
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int main(int argc, char **argv)
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{
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const char *arg;
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const char *p;
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char nflag = 1;
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char eflag = 0;
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/* We must check that stdout is not closed. */
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if (dup2(1, 1) != 1)
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return -1;
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while (1) {
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arg = *++argv;
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if (!arg)
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goto newline_ret;
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if (*arg != '-')
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break;
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/* If it appears that we are handling options, then make sure
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* that all of the options specified are actually valid.
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* Otherwise, the string should just be echoed.
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*/
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p = arg + 1;
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if (!*p) /* A single '-', so echo it. */
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goto just_echo;
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do {
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if (!strrchr("neE", *p))
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goto just_echo;
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} while (*++p);
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/* All of the options in this arg are valid, so handle them. */
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p = arg + 1;
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do {
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if (*p == 'n')
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nflag = 0;
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if (*p == 'e')
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eflag = '\\';
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} while (*++p);
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}
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just_echo:
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while (1) {
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/* arg is already == *argv and isn't NULL */
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int c;
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if (!eflag) {
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/* optimization for very common case */
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fputs(arg, stdout);
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} else while ((c = *arg++)) {
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if (c == eflag) { /* Check for escape seq. */
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if (*arg == 'c') {
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/* '\c' means cancel newline and
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* ignore all subsequent chars. */
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goto ret;
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}
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{
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/* Since SUSv3 mandates a first digit of 0, 4-digit octals
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* of the form \0### are accepted. */
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if (*arg == '0') {
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/* NB: don't turn "...\0" into "...\" */
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if (arg[1] && ((unsigned char)(arg[1]) - '0') < 8) {
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arg++;
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}
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}
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/* bb_process_escape_sequence handles NUL correctly
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* ("...\" case. */
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c = bb_process_escape_sequence(&arg);
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}
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}
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putchar(c);
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}
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arg = *++argv;
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if (!arg)
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break;
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putchar(' ');
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}
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newline_ret:
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if (nflag) {
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putchar('\n');
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}
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ret:
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return fflush(stdout);
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}
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
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* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
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*
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)echo.c 8.1 (Berkeley) 5/31/93
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*/
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@ -4,6 +4,13 @@
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. testing.sh
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# check if hexdump supports the '-R' option
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hexdump -R </dev/null >/dev/null 2>&1 || {
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echo "'hexdump -R' is not available" >&2
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SKIP=1
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exit 1
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}
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# ls -ln is showing date. Need to remove that, it's variable
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# sed: coalesce spaces
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# cut: remove date
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@ -24,6 +31,9 @@ hexdump="\
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00000090 14 24 19 07 a4 63 00
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"
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user=$(id -u)
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group=$(id -g)
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rm -rf cpio.testdir
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# testing "test name" "options" "expected result" "file input" "stdin"
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@ -34,8 +44,8 @@ testing "cpio extracts zero-sized hardlinks" \
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"\
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1 blocks
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0
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-rw-r--r-- 2 0 0 0 x
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-rw-r--r-- 2 0 0 0 y
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-rw-r--r-- 2 $user $group 0 x
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-rw-r--r-- 2 $user $group 0 y
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" \
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"" ""
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@ -4,28 +4,29 @@
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#
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# License is GPLv2, see LICENSE in the busybox tarball for full license text.
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# This file defines two functions, "testing" and "optionflag"
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# This file defines two functions, "testing" and "optional"
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# and a couple more...
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# The following environment variables may be set to enable optional behavior
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# in "testing":
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# VERBOSE - Print the diff -u of each failed test case.
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# DEBUG - Enable command tracing.
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# SKIP - do not perform this test (this is set by "optionflag")
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# SKIP - do not perform this test (this is set by "optional")
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#
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# The "testing" function takes five arguments:
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# $1) Description to display when running command
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# $2) Command line arguments to command
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# $3) Expected result (on stdout)
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# $4) Data written to file "input"
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# $5) Data written to stdin
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# $1) Test description
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# $2) Command(s) to run. May have pipes, redirects, etc
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# $3) Expected result on stdout
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# $4) Data to be written to file "input"
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# $5) Data to be written to stdin
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#
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# The exit value of testing is the exit value of the command it ran.
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# The exit value of testing is the exit value of $2 it ran.
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#
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# The environment variable "FAILCOUNT" contains a cumulative total of the
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# number of failed tests.
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# The "optional" function is used to skip certain tests, ala:
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# optionflag CONFIG_FEATURE_THINGY
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# optional CONFIG_FEATURE_THINGY
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#
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# The "optional" function checks the environment variable "OPTIONFLAGS",
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# which is either empty (in which case it always clears SKIP) or
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@ -35,15 +36,28 @@
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export FAILCOUNT=0
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export SKIP=
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# Helper for helpers. Oh my...
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test x"$ECHO" = x"" && {
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ECHO="echo"
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test x"`echo -ne`" = x"" || {
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# Compile and use a replacement 'echo' which understands -e -n
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ECHO="$PWD/echo-ne"
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test -x "$ECHO" || {
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gcc -Os -o "$ECHO" ../scripts/echo.c || exit 1
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}
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}
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export ECHO
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}
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# Helper functions
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optional()
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{
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option=`echo "$OPTIONFLAGS" | egrep "(^|:)$1(:|\$)"`
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option=`echo ":$OPTIONFLAGS:" | grep ":$1:"`
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# Not set?
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if [ -z "$1" ] || [ -z "$OPTIONFLAGS" ] || [ ${#option} -ne 0 ]
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then
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SKIP=""
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SKIP=
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return
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fi
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SKIP=1
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@ -54,7 +68,7 @@ optional()
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testing()
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{
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NAME="$1"
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[ -z "$1" ] && NAME=$2
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[ -z "$1" ] && NAME="$2"
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if [ $# -ne 5 ]
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then
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@ -70,10 +84,10 @@ testing()
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return 0
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fi
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echo -ne "$3" > expected
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echo -ne "$4" > input
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$ECHO -ne "$3" > expected
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$ECHO -ne "$4" > input
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[ -z "$VERBOSE" ] || echo "echo '$5' | $2"
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echo -ne "$5" | eval "$2" > actual
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$ECHO -ne "$5" | eval "$2" > actual
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RETVAL=$?
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cmp expected actual >/dev/null 2>/dev/null
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@ -101,7 +115,7 @@ mkchroot()
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{
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[ $# -lt 2 ] && return
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echo -n .
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$ECHO -n .
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dest=$1
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shift
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@ -136,7 +150,7 @@ dochroot()
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# Copy utilities from command line arguments
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echo -n "Setup chroot"
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$ECHO -n "Setup chroot"
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mkchroot tmpdir4chroot $*
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echo
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@ -152,4 +166,3 @@ dochroot()
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umount -l tmpdir4chroot
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rmdir tmpdir4chroot
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}
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