#!/bin/sh # basic tests for printf # Copyright (C) 2002-2020 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 . prog='env printf' . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ printf getlimits_ # Verify the 3 methods of specifying "Escape": printf '%s\n' . . . | tr . '\033' > exp $prog '\x1b\n\33\n\e\n' > out || fail=1 compare exp out || fail=1 # This would fail (by printing the '--') for printf in sh-utils # and in coreutils 4.5.1. $prog -- 'foo\n' > out || fail=1 cat <<\EOF > exp foo EOF compare exp out || fail=1 rm -f out exp # Until coreutils-4.5.10, this would elicit a segfault. $prog '1 %*sy\n' -3 x > out || fail=1 # Until coreutils 5.2.2, this would succeed. if POSIXLY_CORRECT=1 $prog '2 \x' >/dev/null 2>&1; then fail=1 else echo '2 failed, as expected' >> out fi # Until coreutils-4.5.12, these would fail. $prog '3 \x40\n' >> out || fail=1 POSIXLY_CORRECT=1 \ $prog '4 \x40\n' >> out || fail=1 $prog '5 % +d\n' 234 >> out || fail=1 # This should print "6 !\n", but don't rely on '!' being the # one-byte representation of octal 041. With printf prior to # coreutils-5.0.1, it would print six bytes: "6 \41\n". $prog '6 \41\n' | tr '\41' '!' >> out # Note that as of coreutils-5.0.1, printf with a format of '\0002y' # prints a NUL byte followed by the digit '2' and a 'y'. $prog '7 \2y \02y \002y \0002y\n' |tr '\0\2' '*=' >> out $prog '8 %b %b %b %b\n' '\1y' '\01y' '\001y' '\0001y'|tr '\1' = >> out $prog '9 %*dx\n' -2 0 >>out || fail=1 $prog '10 %.*dx\n' $INT_UFLOW 0 >>out || fail=1 returns_ 1 $prog '%.*dx\n' $INT_OFLOW 0 >>out 2> /dev/null || fail=1 $prog '11 %*c\n' 2 x >>out || fail=1 returns_ 1 $prog '%#d\n' 0 >>out 2> /dev/null || fail=1 returns_ 1 $prog '%0s\n' 0 >>out 2> /dev/null || fail=1 returns_ 1 $prog '%.9c\n' 0 >>out 2> /dev/null || fail=1 returns_ 1 $prog '%'\''s\n' 0 >>out 2> /dev/null || fail=1 cat <<\EOF > exp 1 x y 2 failed, as expected 3 @ 4 @ 5 +234 6 ! 7 =y =y =y *2y 8 =y =y =y =y 9 0 x 10 0x 11 x EOF compare exp out || fail=1 # Verify handling of single quote chars (\' or \") $prog '%d\n' '"a' >out 2>err # valid $prog '%d\n' '"a"' >>out 2>>err # invalid $prog '%d\n' '"' >>out 2>>err # invalid $prog '%d\n' 'a' >>out 2>>err # invalid cat < exp 97 97 0 0 EOF # POSIX says strtoimax *may* set errno to EINVAL in the latter # two cases. So far, that happens at least on MacOS X 10.5. # Map that output to the more common expected output. sed 's/: Invalid.*/: expected a numeric value/' err > k && mv k err cat < exp_err printf: warning: ": character(s) following character constant have been ignored printf: '"': expected a numeric value printf: 'a': expected a numeric value EOF compare exp out || fail=1 compare exp_err err || fail=1 Exit $fail