Fixed: [Yang identityref XML encoding is not general](https://github.com/clicon/clixon/issues/90)

* Revisiting this issue now seems to work, there are no regressions that fail when disabling IDENTITYREF_KLUDGE.

CHANGELOG.md

@@ -88,6 +88,8 @@ Developers may need to change their code
 
 ### Corrected Bugs
 
+* Fixed: [Yang identityref XML encoding is not general](https://github.com/clicon/clixon/issues/90)
+  * Revisiting this issue now seems to work, there are no regressions that fail when disabling IDENTITYREF_KLUDGE.
 * Fixed several xpath crashes discovered by unit xpath fuzzing
 * Fixed: SEGV when using NETCONF get filter xpath and non-existent key
   * eg `select="/ex:table[ex:non-exist='a']`

apps/cli/cli_common.c

@@ -572,7 +572,7 @@ cli_start_shell(clicon_handle h,
     char           bcmd[128];
     cg_var        *cv1 = cvec_i(vars, 1);
     sigset_t       oldsigset;
-    struct sigaction oldsigaction[32] = {0,};
+    struct sigaction oldsigaction[32] = {{{0,},},};
     
     if (cvec_len(argv) > 1){
         clicon_err(OE_PLUGIN, EINVAL, "Received %d arguments. Expected: [<shell>]",

include/clixon_custom.h

@@ -55,8 +55,10 @@
  * needs to generate a netconf statement with correct xmlns binding.
  * The easy way to do this is to always generate all prefix/namespace bindings 
  * on the top-level for the modules involved in the netconf operation.
+ * Update 2022-11: seems most cornercases are covered and this is now disabled.
+ * I am sure there are remaining cases but undef this for now and close #90
  */
-#define IDENTITYREF_KLUDGE
+#undef IDENTITYREF_KLUDGE
 
 /*! Optimize special list key searches in XPATH finds
  * Identify xpaths that search for exactly a list key, eg: "y[k='3']" and then call

lib/src/clixon_validate.c

@@ -275,9 +275,7 @@ validate_identityref(cxobj     *xt,
     if (prefix == NULL)
         ymod = ys_module(ys);
     else{ /* from prefix to name */
-#if 1 /* IDENTITYREF_KLUDGE  */
         ymod = yang_find_module_by_prefix_yspec(ys_spec(ys), prefix);
-#endif
     }
     if (ymod == NULL){
         cprintf(cberr, "Identityref validation failed, %s not derived from %s in %s.yang:%d", 

lib/src/clixon_xpath_function.c

@@ -267,9 +267,7 @@ derived_from_one(char  *baseidentity,
     if (prefix == NULL)
         ymod = ys_module(yleaf);
     else{ /* from prefix to name */
-#if 1 /* IDENTITYREF_KLUDGE  */
         ymod = yang_find_module_by_prefix_yspec(ys_spec(yleaf), prefix);
-#endif
     }
     if (ymod == NULL)
         goto nomatch;