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libbb/lineedit: add support for preserving "broken" (non-unicode) chars

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Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Tomas Heinrich
2010-04-29 13:43:39 +02:00
committed by Denys Vlasenko
parent 25b10d97e6
commit a659b81dfa
4 changed files with 89 additions and 20 deletions
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24
testsuite/ash.tests
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@ -7,8 +7,30 @@
. ./testing.sh
test -f "$bindir/.config" && . "$bindir/.config"
# testing "test name" "options" "expected result" "file input" "stdin"
if test x"$CONFIG_UNICODE_PRESERVE_BROKEN" = x"y"; then
testing "One byte which is not valid unicode char followed by valid input" \
"script -q -c 'ash' /dev/null >/dev/null; cat ash.output" \
"\
00000000 ff 2d 0a |.-.|
00000003
" \
"" \
"echo \xff- | hexdump -C >ash.output; exit; exit; exit; exit\n"
testing "30 bytes which are not valid unicode chars followed by valid input" \
"script -q -c 'ash' /dev/null >/dev/null; cat ash.output" \
"\
00000000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff 2d 0a |..............-.|
00000020
" \
"" \
"echo \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff- | hexdump -C >ash.output; exit; exit; exit; exit\n"
else
testing "One byte which is not valid unicode char followed by valid input" \
"script -q -c 'ash' /dev/null >/dev/null; cat ash.output" \
"\
@ -27,6 +49,8 @@ testing "30 bytes which are not valid unicode chars followed by valid input" \
" \
"" \
"echo \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff- | hexdump -C >ash.output; exit; exit; exit; exit\n"
fi
# Not sure this behavior is perfect: we lose all invalid input which precedes
# arrow keys and such. In this example, \xff\xff are lost