summaryrefslogtreecommitdiff
path: root/usr/src/lib/libast/common/regex/regstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/lib/libast/common/regex/regstat.c')
-rw-r--r--usr/src/lib/libast/common/regex/regstat.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/regex/regstat.c b/usr/src/lib/libast/common/regex/regstat.c
new file mode 100644
index 0000000000..af7a180b21
--- /dev/null
+++ b/usr/src/lib/libast/common/regex/regstat.c
@@ -0,0 +1,46 @@
+/***********************************************************************
+* *
+* This software is part of the ast package *
+* Copyright (c) 1985-2007 AT&T Knowledge Ventures *
+* and is licensed under the *
+* Common Public License, Version 1.0 *
+* by AT&T Knowledge Ventures *
+* *
+* A copy of the License is available at *
+* http://www.opensource.org/licenses/cpl1.0.txt *
+* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
+* *
+* Information and Software Systems Research *
+* AT&T Research *
+* Florham Park NJ *
+* *
+* Glenn Fowler <gsf@research.att.com> *
+* David Korn <dgk@research.att.com> *
+* Phong Vo <kpv@research.att.com> *
+* *
+***********************************************************************/
+#pragma prototyped
+
+/*
+ * return p stat info
+ */
+
+#include "reglib.h"
+
+regstat_t*
+regstat(const regex_t* p)
+{
+ register Rex_t* e;
+
+ e = p->env->rex;
+ if (e && e->type == REX_BM)
+ e = e->next;
+ if (e && e->type == REX_BEG)
+ e = e->next;
+ if (e && e->type == REX_STRING)
+ e = e->next;
+ if (!e || e->type == REX_END && !e->next)
+ p->env->stats.re_flags |= REG_LITERAL;
+ p->env->stats.re_record = (p && p->env && p->env->rex->type == REX_BM) ? p->env->rex->re.bm.size : -1;
+ return &p->env->stats;
+}