Apply a patch that fixes a bug and a memory leak.

Obtained from:	[ruby-dev:21973]

2 files changed, 83 insertions, 0 deletions

diff --git a/devel/oniguruma5/Makefile b/devel/oniguruma5/Makefile
index 22bb9da..a7701c2 100644
--- a/devel/oniguruma5/Makefile
+++ b/devel/oniguruma5/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	oniguruma
 PORTVERSION=	1.9.5
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	${MASTER_SITE_RUBY}
 MASTER_SITE_SUBDIR=	contrib
diff --git a/devel/oniguruma5/files/patch-ruby-dev-21973 b/devel/oniguruma5/files/patch-ruby-dev-21973
new file mode 100644
index 0000000..a825c12
--- /dev/null
+++ b/devel/oniguruma5/files/patch-ruby-dev-21973
@@ -0,0 +1,82 @@
+Taken from: [ruby-dev:21973]
+
+Index: regparse.c
+===================================================================
+--- regparse.c (.../ags/oniguruma/1.9.5)	(revision 245)
++++ regparse.c (.../runk/oniguruma)	(revision 245)
+@@ -833,6 +833,10 @@
+ 	e->back_refs = (int* )NULL;
+       }
+     }
++    if (IS_NOT_NULL(t->e)) {
++      xfree(t->e);
++      t->e = NULL;
++    }
+     t->num = 0;
+   }
+   return 0;
+@@ -3611,6 +3615,7 @@
+   enum CCVALTYPE val_type, in_type;
+   int val_israw, in_israw;
+ 
++  prev_cc = (CClassNode* )NULL;
+   *np = NULL_NODE;
+   r = fetch_token_in_cc(tok, src, end, env);
+   if (r == TK_BYTE && tok->u.c == '^') {
+@@ -3633,7 +3638,6 @@
+   *np = node = node_new_cclass();
+   CHECK_NULL_RETURN_VAL(node, REGERR_MEMORY);
+   cc = &(NCCLASS(node));
+-  prev_cc = (CClassNode* )NULL;
+ 
+   and_start = 0;
+   state = CCS_START;
+@@ -3810,6 +3814,7 @@
+ 	if (IS_NOT_NULL(prev_cc)) {
+ 	  r = and_cclass(prev_cc, cc);
+ 	  if (r != 0) goto err;
++	  bbuf_free(cc->mbuf);
+ 	}
+ 	else {
+ 	  prev_cc = cc;
+@@ -3846,6 +3851,7 @@
+   if (IS_NOT_NULL(prev_cc)) {
+     r = and_cclass(prev_cc, cc);
+     if (r != 0) goto err;
++    bbuf_free(cc->mbuf);
+     cc = prev_cc;
+   }
+ 
+@@ -3864,6 +3870,8 @@
+   return 0;
+ 
+  err:
++  if (cc != &(NCCLASS(*np)))
++    bbuf_free(cc->mbuf);
+   regex_node_free(*np);
+   return r;
+ }
+@@ -4490,7 +4498,10 @@
+ 
+   *top = NULL;
+   r = parse_branch(&node, tok, term, src, end, env);
+-  if (r < 0) return r;
++  if (r < 0) {
++    regex_node_free(node);
++    return r;
++  }
+ 
+   if (r == term) {
+     *top = node;
+Index: regcomp.c
+===================================================================
+--- regcomp.c (.../ags/oniguruma/1.9.5)	(revision 245)
++++ regcomp.c (.../runk/oniguruma)	(revision 245)
+@@ -3675,6 +3675,7 @@
+     }
+     else {
+       len = mblen(code, *p);
++      if (i + len > OPT_EXACT_MAXLEN) break;
+       for (j = 0; j < len; j++)
+ 	to->s[i++] = *p++;
+     }