+2022-05-13 Paul Eggert <eggert@cs.ucla.edu>
+
+ dfa: fix bug with ‘.’ and UTF-8 Hangul Syllables
+ This fixes a bug introduced in 2019-12-18T05:41:27Z!eggert@cs.ucla.edu,
+ an earlier patch that fixed dfa.c to not match invalid UTF-8.
+ Unfortunately that patch had a couple of typos when dfa.c is
+ matching against the regular expression ‘.’ (dot). One typo
+ caused dfa.c to incorrectly reject the valid UTF-8 sequences
+ (ED)(90-9F)(80-BF) corresponding to U+D400 through U+D7FF, which
+ are some Hangul Syllables and Hangul Jamo Extended-B. The other
+ typo caused dfa.c to incorrectly reject the valid sequences
+ (F4)(88-8F)(80-BF)(80-BF) which correspond to U+108000 through
+ U+10FFFF (Supplemental Private Use Area plane B).
+ * lib/dfa.c (utf8_classes): Fix typos.
+ * tests/test-dfa-match.sh: Test the fix.
+
2022-05-12 Paul Eggert <eggert@cs.ucla.edu>
manywarnings: update C warnings for GCC 12
/* G. ed (just a token). */
/* H. 80-9f: 2nd byte of a "GHC" sequence. */
- CHARCLASS_INIT (0, 0, 0, 0, 0xffff, 0, 0, 0),
+ CHARCLASS_INIT (0, 0, 0, 0, 0xffffffff, 0, 0, 0),
/* I. f0 (just a token). */
/* L. f4 (just a token). */
/* M. 80-8f: 2nd byte of a "LMCC" sequence. */
- CHARCLASS_INIT (0, 0, 0, 0, 0xff, 0, 0, 0),
+ CHARCLASS_INIT (0, 0, 0, 0, 0xffff, 0, 0, 0),
};
/* Define the character classes that are needed below. */
$timeout_10 ${CHECKER} test-dfa-match-aux a "$in" 1 > out || fail=1
compare /dev/null out || fail=1
+# If the platform supports U+00E9 LATIN SMALL LETTER E WITH ACUTE,
+# test U+D45C HANGUL SYLLABLE PYO.
+U_00E9=$(printf '\303\251\n')
+U_D45C=$(printf '\355\221\234\n')
+if testout=$(LC_ALL=en_US.UTF-8 $CHECKER test-dfa-match-aux '^.$' "$U_00E9") &&
+ test "$testout" = 2
+then
+ testout=$(LC_ALL=en_US.UTF-8 $CHECKER test-dfa-match-aux '^.$' "$U_D45C") &&
+ test "$testout" = 3 || fail=1
+fi
+
Exit $fail