| 1 | #!/bin/sh
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| 2 | # grep -i would misbehave for any matched line containing a character
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| 3 | # (like "I" in the tr_TR.utf8 locale) whose lower-case representation
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| 4 | # occupies more bytes (two in this case, for 0xc4b1, aka U+0131).
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| 5 |
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| 6 | # Copyright (C) 2011-2021 Free Software Foundation, Inc.
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| 7 |
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| 8 | # This program is free software: you can redistribute it and/or modify
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| 9 | # it under the terms of the GNU General Public License as published by
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| 10 | # the Free Software Foundation, either version 3 of the License, or
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| 11 | # (at your option) any later version.
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| 12 |
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| 13 | # This program is distributed in the hope that it will be useful,
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| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | # GNU General Public License for more details.
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| 17 |
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| 18 | # You should have received a copy of the GNU General Public License
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| 19 | # along with this program. If not, see <https://www.gnu.org/licenses/>.
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| 20 |
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| 21 | . "${srcdir=.}/init.sh"; path_prepend_ ../src
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| 22 |
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| 23 | require_tr_utf8_locale_
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| 24 | require_compiled_in_MB_support
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| 25 |
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| 26 | # Before this change, grep could print a lot of uninitialized memory:
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| 27 | # $ printf "IIIIIII\n" > in
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| 28 | # $ for i in $(seq 10); do LC_ALL=tr_TR.utf8 src/grep -i . in|wc -c; done
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| 29 | # 760
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| 30 | # 754
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| 31 | # 585
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| 32 | # 298
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| 33 | # 273
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| 34 | # 458
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| 35 | # 660
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| 36 | # 552
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| 37 | # 936
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| 38 | # 678
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| 39 |
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| 40 | fail=0
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| 41 |
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| 42 | printf "IIIIIII\n" > in || framework_failure_
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| 43 | LC_ALL=tr_TR.utf8 grep -i .... in > out || fail=1
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| 44 | compare out in || fail=1
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| 45 |
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| 46 | # Also exercise the case in which the original string and the lower-case
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| 47 | # buffer have precisely the same length (22 bytes here), yet internal
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| 48 | # offsets do differ. Lengths are the same because while some bytes shrink
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| 49 | # when converted to lower case, others grow, and here they balance out.
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| 50 | i='I\304\260'
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| 51 | printf "$i$i$i$i$i$i$i\n" > in || framework_failure_
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| 52 | LC_ALL=tr_TR.utf8 grep -i .... in > out || fail=1
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| 53 | compare out in || fail=1
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| 54 |
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| 55 | Exit $fail
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