Add EXISTS functionality to tied Perl arrays

diff --git a/src/modules/rlm_perl/rlm_perl.c b/src/modules/rlm_perl/rlm_perl.c
index 5be6a978d79ebe51a37f1536f220916f291ccad6..5cc6de609491fada40c4f1d80ed94bb7faecd5d7 100644 (file)
--- a/src/modules/rlm_perl/rlm_perl.c
+++ b/src/modules/rlm_perl/rlm_perl.c
@@ -813,6 +813,26 @@ static XS(XS_pairs_STORE)
        XSRETURN(0);
 }
 
+/** Called when an array entry's existence is tested
+ *
+ */
+static XS(XS_pairs_EXISTS)
+{
+       dXSARGS;
+       unsigned int    idx = SvUV(ST(1));
+       fr_pair_t       *vp;
+       fr_perl_pair_t  *parent;
+
+       GET_PAIR_MAGIC(2)
+
+       parent = pair_data->parent;
+       if (!parent->vp) XSRETURN_NO;
+
+       vp = fr_pair_find_by_da_idx(&parent->vp->vp_group, pair_data->da, idx);
+       if (vp) XSRETURN_YES;
+       XSRETURN_NO;
+}
+
 static void xs_init(pTHX)
 {
        char const *file = __FILE__;
@@ -840,6 +860,7 @@ static void xs_init(pTHX)
         */
        newXS("freeradiuspairs::FETCH", XS_pairs_FETCH, "rlm_perl");
        newXS("freeradiuspairs::STORE", XS_pairs_STORE, "rlm_perl");
+       newXS("freeradiuspairs::EXISTS", XS_pairs_EXISTS, "rlm_perl");
 }
 
 /** Convert a list of value boxes to a Perl array for passing to subroutines