Module: kamailio
Branch: master
Commit: 0dfd5bd14792353b47ca397f22b3c323fd276b28
URL: 
https://github.com/kamailio/kamailio/commit/0dfd5bd14792353b47ca397f22b3c323fd276b28

Author: Daniel-Constantin Mierla <[email protected]>
Committer: Daniel-Constantin Mierla <[email protected]>
Date: 2019-06-11T12:10:53+02:00

dialog: kemi functions to remove or test for null vars

---

Modified: src/modules/dialog/dialog.c

---

Diff:  
https://github.com/kamailio/kamailio/commit/0dfd5bd14792353b47ca397f22b3c323fd276b28.diff
Patch: 
https://github.com/kamailio/kamailio/commit/0dfd5bd14792353b47ca397f22b3c323fd276b28.patch

---

diff --git a/src/modules/dialog/dialog.c b/src/modules/dialog/dialog.c
index cb3a80b3b1..34d243a3f1 100644
--- a/src/modules/dialog/dialog.c
+++ b/src/modules/dialog/dialog.c
@@ -1928,6 +1928,37 @@ static sr_kemi_xval_t* ki_dlg_var_getw(sip_msg_t *msg, 
str *name)
        return ki_dlg_var_get_mode(msg, name, SR_KEMI_XVAL_NULL_PRINT);
 }
 
+/**
+ *
+ */
+static int ki_dlg_var_rm(sip_msg_t *msg, str *name)
+{
+       dlg_cell_t *dlg;
+
+       dlg = dlg_get_msg_dialog(msg);
+       set_dlg_variable_unsafe(dlg, name, NULL);
+       return 1;
+}
+
+/**
+ *
+ */
+static int ki_dlg_var_is_null(sip_msg_t *msg, str *name)
+{
+       dlg_cell_t *dlg;
+       str *pval;
+
+       dlg = dlg_get_msg_dialog(msg);
+       if(dlg==NULL) {
+               return 1;
+       }
+       pval = get_dlg_variable(dlg, name);
+       if(pval==NULL || pval->s==NULL) {
+               return 1;
+       }
+       return -1;
+}
+
 /**
  *
  */
@@ -2053,6 +2084,16 @@ static sr_kemi_t sr_kemi_dialog_exports[] = {
                { SR_KEMIP_STR, SR_KEMIP_NONE, SR_KEMIP_NONE,
                        SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
        },
+       { str_init("dialog"), str_init("var_rm"),
+               SR_KEMIP_XVAL, ki_dlg_var_rm,
+               { SR_KEMIP_STR, SR_KEMIP_NONE, SR_KEMIP_NONE,
+                       SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
+       },
+       { str_init("dialog"), str_init("var_is_null"),
+               SR_KEMIP_XVAL, ki_dlg_var_is_null,
+               { SR_KEMIP_STR, SR_KEMIP_NONE, SR_KEMIP_NONE,
+                       SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
+       },
 
        { {0, 0}, {0, 0}, 0, NULL, { 0, 0, 0, 0, 0, 0 } }
 };


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