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authorUlrich Drepper <drepper@redhat.com>2003-10-02 22:41:11 +0000
committerUlrich Drepper <drepper@redhat.com>2003-10-02 22:41:11 +0000
commit134abcb5b9ba854fec25051cd3c9f88e760913c5 (patch)
tree3988d22ca828c20e2fa396d7b021915a5d6f47e6 /posix/regex.h
parentb77ca0e82754c1b0615e5ca6acd343018ffcb287 (diff)
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Update.
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.
Diffstat (limited to 'posix/regex.h')
-rw-r--r--posix/regex.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/posix/regex.h b/posix/regex.h
index e251962cef..1ab3e243a7 100644
--- a/posix/regex.h
+++ b/posix/regex.h
@@ -170,6 +170,11 @@ typedef unsigned long int reg_syntax_t;
    If not set, then case is significant.  */
 #define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1)
 
+/* This bit is used internally like RE_CONTEXT_INDEP_ANCHORS but only
+   for ^, because it is difficult to scan the regex backwards to find
+   whether ^ should be special.  */
+#define RE_CARET_ANCHORS_HERE (RE_ICASE << 1)
+
 /* This global variable defines the particular regexp syntax to use (for
    some interfaces).  When a regexp is compiled, the syntax used is
    stored in the pattern buffer, so changing this does not affect