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2003-09-26  Paolo Bonzini  <bonzini@gnu.org>

	* posix/regcomp.c (parse_sub_exp): Pass RE_CARET_ANCHORS_HERE
	for the first token in a subexpression as well.

2003-10-02  Jakub Jelinek  <jakub@redhat.com>

	* posix/regcomp.c (peek_token): Add 2003-09-20 changes for anchor
	handling again.
	(parse_reg_exp): Likewise.
	* posix/regex.h (RE_CARET_ANCHORS_HERE): Define.

	* posix/bug-regex11.c (tests): Add new tests.
	* posix/bug-regex12.c (tests): Add new test.
This commit is contained in:
Ulrich Drepper
2003-10-02 22:41:11 +00:00
parent b77ca0e827
commit 134abcb5b9
9 changed files with 54 additions and 13 deletions
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14
posix/bug-regex11.c
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@ -1,5 +1,5 @@
/* Regular expression tests.
Copyright (C) 2002 Free Software Foundation, Inc.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@ -41,7 +41,17 @@ struct
{ { 0, 21 }, { 8, 9 }, { 9, 10 } } },
{ "^\\(a*\\)\\1\\{9\\}\\(a\\{0,9\\}\\)\\([0-9]*;.*[^a]\\2\\([0-9]\\)\\)",
"a1;;0a1aa2aaa3aaaa4aaaaa5aaaaaa6aaaaaaa7aaaaaaaa8aaaaaaaaa9aa2aa1a0", 0,
5, { { 0, 67 }, { 0, 0 }, { 0, 1 }, { 1, 67 }, { 66, 67 } } }
5, { { 0, 67 }, { 0, 0 }, { 0, 1 }, { 1, 67 }, { 66, 67 } } },
/* Test for BRE expression anchoring. POSIX says just that this may match;
in glibc regex it always matched, so avoid changing it. */
{ "\\(^\\|foo\\)bar", "bar", 0, 2, { { 0, 3 }, { -1, -1 } } },
{ "\\(foo\\|^\\)bar", "bar", 0, 2, { { 0, 3 }, { -1, -1 } } },
/* In ERE this must be treated as an anchor. */
{ "(^|foo)bar", "bar", REG_EXTENDED, 2, { { 0, 3 }, { -1, -1 } } },
{ "(foo|^)bar", "bar", REG_EXTENDED, 2, { { 0, 3 }, { -1, -1 } } },
/* Here ^ cannot be treated as an anchor according to POSIX. */
{ "(^|foo)bar", "(^|foo)bar", 0, 2, { { 0, 10 }, { -1, -1 } } },
{ "(foo|^)bar", "(foo|^)bar", 0, 2, { { 0, 10 }, { -1, -1 } } },
};
int