Add support for perl 5.22.0

[perl/modules/re-engine-Hooks.git] / src / 5022000 / inline_invlist.c

diff --git a/src/5021001/inline_invlist.c b/src/5022000/inline_invlist.c
similarity index 70%
rename from src/5021001/inline_invlist.c
rename to src/5022000/inline_invlist.c
index 6cdeff4f44a186257d1458ffaecc3fd69d66c2ce..450e1be826a9b082d35422429d848e1ed7d56544 100644 (file)
--- a/src/5021001/inline_invlist.c
+++ b/src/5022000/inline_invlist.c
@@ -56,6 +56,27 @@ S__invlist_contains_cp(SV* const invlist, const UV cp)
  return index >= 0 && ELEMENT_RANGE_MATCHES_INVLIST(index);
 }
 
  return index >= 0 && ELEMENT_RANGE_MATCHES_INVLIST(index);
 }
 

+PERL_STATIC_INLINE UV*
+S_invlist_array(SV* const invlist)
+{
+ /* Returns the pointer to the inversion list's array.  Every time the
+ * length changes, this needs to be called in case malloc or realloc moved
+ * it */
+
+ PERL_ARGS_ASSERT_INVLIST_ARRAY;
+
+ /* Must not be empty.  If these fail, you probably didn't check for <len>
+ * being non-zero before trying to get the array */
+ assert(_invlist_len(invlist));
+
+ /* The very first element always contains zero, The array begins either
+ * there, or if the inversion list is offset, at the element after it.
+ * The offset header field determines which; it contains 0 or 1 to indicate
+ * how much additionally to add */
+ assert(0 == *(SvPVX(invlist)));
+ return ((UV *) SvPVX(invlist) + *get_invlist_offset_addr(invlist));
+}
+

 #   if defined(PERL_IN_UTF8_C) || defined(PERL_IN_REGEXEC_C)
 
 /* These symbols are only needed later in regcomp.c */
 #   if defined(PERL_IN_UTF8_C) || defined(PERL_IN_REGEXEC_C)
 
 /* These symbols are only needed later in regcomp.c */