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common: Incorporate upstream changes of regexp.

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* regexp/jimregexp.c (regatom): Raise REG_ERR_UNMATCHED_BRACKET when
no matching end bracket.
(regmatch): Fix the end of word check.

--

Original changes:
	Signed-off-by: Steve Bennett <steveb@workware.net.au>

GnuPG-bug-id: 6455
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2023-04-21 11:51:47 +09:00
parent af3724d383
commit 762b7d07ea
No known key found for this signature in database
GPG Key ID: 640114AF89DE6054
1 changed files with 6 additions and 3 deletions
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9
regexp/jimregexp.c
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@ -795,8 +795,11 @@ static int regatom(regex_t *preg, int *flagp)
for (cc = 0; cc < CC_NUM; cc++) {
n = strlen(character_class[cc]);
if (!strncmp(pattern, character_class[cc], n)
&& pattern[n] == ']') {
if (strncmp(pattern, character_class[cc], n) == 0) {
if (pattern[n] != ']') {
preg->err = REG_ERR_UNMATCHED_BRACKET;
return 0;
}
/* Found a character class */
pattern += n + 1;
break;
@ -1508,7 +1511,7 @@ static int regmatch(regex_t *preg, int prog)
/* Can't match at BOL */
if (preg->reginput > preg->regbol) {
/* Current must be EOL or nonword */
if (reg_iseol(preg, c) || !isalnum(UCHAR(c)) || c != '_') {
if (reg_iseol(preg, c) || !(isalnum(UCHAR(c)) || c == '_')) {
c = preg->reginput[-1];
/* Previous must be word */
if (isalnum(UCHAR(c)) || c == '_') {