+++ /dev/null
-Index: libyang-0.16-r3/CMakeLists.txt
-===================================================================
---- libyang-0.16-r3.orig/CMakeLists.txt
-+++ libyang-0.16-r3/CMakeLists.txt
-@@ -351,8 +351,8 @@ else()
- add_subdirectory(src/extensions)
- endif(ENABLE_STATIC)
-
--# YANG user types plugins ("user_ipv4" is just an example, not installed by default)
--set(USER_TYPE_LIST "user_date_and_time")
-+# YANG user types plugins
-+set(USER_TYPE_LIST "user_yang_types" "user_inet_types")
- if(ENABLE_STATIC)
- set(USER_TYPE_LIST_SIZE " 0 ")
- foreach(USER_TYPE ${USER_TYPE_LIST})
-Index: libyang-0.16-r3/src/parser.c
-===================================================================
---- libyang-0.16-r3.orig/src/parser.c
-+++ libyang-0.16-r3/src/parser.c
-@@ -1936,7 +1936,7 @@ lyp_parse_value(struct lys_type *type, c
-
- /* search user types in case this value is supposed to be stored in a custom way */
- if (store && type->der && type->der->module) {
-- c = lytype_store(type->der->module, type->der->name, *value_, val);
-+ c = lytype_store(type->der->module, type->der->name, value_, val);
- if (c == -1) {
- goto error;
- } else if (!c) {
-Index: libyang-0.16-r3/src/parser.h
-===================================================================
---- libyang-0.16-r3.orig/src/parser.h
-+++ libyang-0.16-r3/src/parser.h
-@@ -258,11 +258,11 @@ struct lyext_plugin *ext_get_plugin(cons
- *
- * @param[in] mod Module of the type.
- * @param[in] type_name Type (typedef) name.
-- * @param[in] value_str Value to store as a string.
-+ * @param[in,out] value_str Stored string value, can be overwritten by the user store callback.
- * @param[in,out] value Filled value to be overwritten by the user store callback.
- * @return 0 on successful storing, 1 if the type is not a user type, -1 on error.
- */
--int lytype_store(const struct lys_module *mod, const char *type_name, const char *value_str, lyd_val *value);
-+int lytype_store(const struct lys_module *mod, const char *type_name, const char **value_str, lyd_val *value);
-
- /**
- * @brief Free a user type stored value.
-Index: libyang-0.16-r3/src/plugins.c
-===================================================================
---- libyang-0.16-r3.orig/src/plugins.c
-+++ libyang-0.16-r3/src/plugins.c
-@@ -574,7 +574,7 @@ lytype_find(const char *module, const ch
- }
-
- int
--lytype_store(const struct lys_module *mod, const char *type_name, const char *value_str, lyd_val *value)
-+lytype_store(const struct lys_module *mod, const char *type_name, const char **value_str, lyd_val *value)
- {
- struct lytype_plugin_list *p;
- char *err_msg = NULL;
-@@ -583,9 +583,9 @@ lytype_store(const struct lys_module *mo
-
- p = lytype_find(mod->name, mod->rev_size ? mod->rev[0].date : NULL, type_name);
- if (p) {
-- if (p->store_clb(type_name, value_str, value, &err_msg)) {
-+ if (p->store_clb(mod->ctx, type_name, value_str, value, &err_msg)) {
- if (!err_msg) {
-- if (asprintf(&err_msg, "Failed to store value \"%s\" of user type \"%s\".", value_str, type_name) == -1) {
-+ if (asprintf(&err_msg, "Failed to store value \"%s\" of user type \"%s\".", *value_str, type_name) == -1) {
- LOGMEM(mod->ctx);
- return -1;
- }
-Index: libyang-0.16-r3/src/tree_data.c
-===================================================================
---- libyang-0.16-r3.orig/src/tree_data.c
-+++ libyang-0.16-r3/src/tree_data.c
-@@ -5476,7 +5476,7 @@ _lyd_dup_node(const struct lyd_node *nod
- }
-
- if (sleaf->type.der && sleaf->type.der->module) {
-- r = lytype_store(sleaf->type.der->module, sleaf->type.der->name, new_leaf->value_str, &new_leaf->value);
-+ r = lytype_store(sleaf->type.der->module, sleaf->type.der->name, &new_leaf->value_str, &new_leaf->value);
- if (r == -1) {
- goto error;
- } else if (!r) {
-Index: libyang-0.16-r3/src/user_types.h
-===================================================================
---- libyang-0.16-r3.orig/src/user_types.h
-+++ libyang-0.16-r3/src/user_types.h
-@@ -33,13 +33,15 @@ extern "C" {
- * This callback should overwrite the value stored in \p value using some custom encoding. Be careful,
- * if the type is #LY_TYPE_BITS, the bits must be freed before overwritting the union value.
- *
-+ * @param[in] ctx libyang ctx to enable correct manipulation with values that are in the dictionary.
- * @param[in] type_name Name of the type being stored.
-- * @param[in] value_str String value to be stored.
-+ * @param[in,out] value_str String value to be stored.
- * @param[in,out] value Value union for the value to be stored in (already is but in the standard way).
- * @param[out] err_msg Can be filled on error. If not, a generic error message will be printed.
- * @return 0 on success, non-zero if an error occured and the value could not be stored for any reason.
- */
--typedef int (*lytype_store_clb)(const char *type_name, const char *value_str, lyd_val *value, char **err_msg);
-+typedef int (*lytype_store_clb)(struct ly_ctx *ctx, const char *type_name, const char **value_str, lyd_val *value,
-+ char **err_msg);
-
- struct lytype_plugin_list {
- const char *module; /**< Name of the module where the type is defined. */
-Index: libyang-0.16-r3/src/user_types/user_inet_types.c
-===================================================================
---- /dev/null
-+++ libyang-0.16-r3/src/user_types/user_inet_types.c
-@@ -0,0 +1,235 @@
-+/**
-+ * @file user_inet_types.c
-+ * @author Michal Vasko <mvasko@cesnet.cz>
-+ * @brief ietf-inet-types typedef conversion to canonical format
-+ *
-+ * Copyright (c) 2018 CESNET, z.s.p.o.
-+ *
-+ * This source code is licensed under BSD 3-Clause License (the "License").
-+ * You may not use this file except in compliance with the License.
-+ * You may obtain a copy of the License at
-+ *
-+ * https://opensource.org/licenses/BSD-3-Clause
-+ */
-+
-+#define _GNU_SOURCE
-+
-+#include <stdlib.h>
-+#include <string.h>
-+#include <errno.h>
-+#include <arpa/inet.h>
-+
-+#include "../user_types.h"
-+
-+#ifdef __GNUC__
-+# define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
-+#else
-+# define UNUSED(x) UNUSED_ ## x
-+#endif
-+
-+static char *
-+convert_ipv6_addr(const char *ipv6_addr, char **err_msg)
-+{
-+ char buf[sizeof(struct in6_addr)], *str;
-+
-+ str = malloc(INET6_ADDRSTRLEN);
-+ if (!str) {
-+ *err_msg = NULL;
-+ return NULL;
-+ }
-+
-+ if (!inet_pton(AF_INET6, ipv6_addr, buf)) {
-+ asprintf(err_msg, "Failed to convert IPv6 address \"%s\".", ipv6_addr);
-+ free(str);
-+ return NULL;
-+ }
-+
-+ if (!inet_ntop(AF_INET6, buf, str, INET6_ADDRSTRLEN)) {
-+ asprintf(err_msg, "Failed to convert IPv6 address (%s).", strerror(errno));
-+ free(str);
-+ return NULL;
-+ }
-+
-+ return str;
-+}
-+
-+static int
-+ip_store_clb(struct ly_ctx *ctx, const char *UNUSED(type_name), const char **value_str, lyd_val *value, char **err_msg)
-+{
-+ char *ptr, *ipv6_addr, *result, *tmp;
-+
-+ if (!strchr(*value_str, ':')) {
-+ /* not an IPv6 address */
-+ return 0;
-+ }
-+
-+ if ((ptr = strchr(*value_str, '%'))) {
-+ /* there is a zone index */
-+ ipv6_addr = strndup(*value_str, ptr - *value_str);
-+ } else {
-+ ipv6_addr = (char *)*value_str;
-+ }
-+
-+ /* convert to canonical format */
-+ result = convert_ipv6_addr(ipv6_addr, err_msg);
-+ if (ptr) {
-+ free(ipv6_addr);
-+ }
-+
-+ /* failure */
-+ if (!result) {
-+ return 1;
-+ }
-+
-+ if (strncmp(*value_str, result, strlen(result))) {
-+ /* some conversion took place, update the value */
-+ if (ptr) {
-+ tmp = result;
-+ if (asprintf(&result, "%s%s", tmp, ptr) == -1) {
-+ free(tmp);
-+ *err_msg = NULL;
-+ return 1;
-+ }
-+ free(tmp);
-+ }
-+
-+ lydict_remove(ctx, *value_str);
-+ *value_str = lydict_insert_zc(ctx, result);
-+ value->string = *value_str;
-+ } else {
-+ free(result);
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+ipv4_prefix_store_clb(struct ly_ctx *ctx, const char *UNUSED(type_name), const char **value_str, lyd_val *value, char **err_msg)
-+{
-+ char *pref_str, *ptr, *result;
-+ int result_len, i, j, num;
-+ unsigned long int pref;
-+
-+ pref_str = strchr(*value_str, '/');
-+ if (!pref_str) {
-+ asprintf(err_msg, "Invalid IPv4 prefix \"%s\".", *value_str);
-+ return 1;
-+ }
-+
-+ pref = strtoul(pref_str + 1, &ptr, 10);
-+ if (ptr[0]) {
-+ asprintf(err_msg, "Invalid IPv4 prefix \"%s\".", *value_str);
-+ return 1;
-+ }
-+
-+ result = malloc(INET_ADDRSTRLEN + 3);
-+ if (!result) {
-+ *err_msg = NULL;
-+ return 1;
-+ }
-+
-+ /* generate ip prefix mask */
-+ result_len = 0;
-+ for (i = 0; i < 4; ++i) {
-+ num = 0;
-+ for (j = 0; (j < 8) && pref; ++j) {
-+ num += (1 << j);
-+ --pref;
-+ }
-+
-+ result_len += sprintf(result + result_len, "%s%d", i ? "." : "", num);
-+ }
-+
-+ /* add the prefix */
-+ result_len += sprintf(result + result_len, "%s", pref_str);
-+
-+ if (strcmp(result, *value_str)) {
-+ /* some conversion took place, update the value */
-+ lydict_remove(ctx, *value_str);
-+ *value_str = lydict_insert_zc(ctx, result);
-+ value->string = *value_str;
-+ } else {
-+ free(result);
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+ipv6_prefix_store_clb(struct ly_ctx *ctx, const char *UNUSED(type_name), const char **value_str, lyd_val *value, char **err_msg)
-+{
-+ char *pref_str, *ptr, *result;
-+ int result_len, i, j, num;
-+ unsigned long int pref;
-+
-+ pref_str = strchr(*value_str, '/');
-+ if (!pref_str) {
-+ asprintf(err_msg, "Invalid IPv6 prefix \"%s\".", *value_str);
-+ return 1;
-+ }
-+
-+ pref = strtoul(pref_str + 1, &ptr, 10);
-+ if (ptr[0]) {
-+ asprintf(err_msg, "Invalid IPv6 prefix \"%s\".", *value_str);
-+ return 1;
-+ }
-+
-+ result = malloc(INET6_ADDRSTRLEN + 4);
-+ if (!result) {
-+ *err_msg = NULL;
-+ return 1;
-+ }
-+
-+ /* generate ipv6 prefix mask */
-+ result_len = 0;
-+ for (i = 0; i < 8; ++i) {
-+ num = 0;
-+ for (j = 0; (j < 16) && pref; ++j) {
-+ num += (1 << j);
-+ --pref;
-+ }
-+
-+ result_len += sprintf(result + result_len, "%s%x", i ? ":" : "", num);
-+
-+ if (!pref && (i < 6)) {
-+ /* shorten ending zeros */
-+ result_len += sprintf(result + result_len, "::");
-+ break;
-+ }
-+ }
-+
-+ /* add the prefix */
-+ result_len += sprintf(result + result_len, "%s", pref_str);
-+
-+ if (strcmp(result, *value_str)) {
-+ /* some conversion took place, update the value */
-+ lydict_remove(ctx, *value_str);
-+ *value_str = lydict_insert_zc(ctx, result);
-+ value->string = *value_str;
-+ } else {
-+ free(result);
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+ip_prefix_store_clb(struct ly_ctx *ctx, const char *type_name, const char **value_str, lyd_val *value, char **err_msg)
-+{
-+ if (strchr(*value_str, ':')) {
-+ return ipv6_prefix_store_clb(ctx, type_name, value_str, value, err_msg);
-+ }
-+ return ipv4_prefix_store_clb(ctx, type_name, value_str, value, err_msg);
-+}
-+
-+/* Name of this array must match the file name! */
-+struct lytype_plugin_list user_inet_types[] = {
-+ {"ietf-inet-types", "2013-07-15", "ip-address", ip_store_clb, NULL},
-+ {"ietf-inet-types", "2013-07-15", "ipv6-address", ip_store_clb, NULL},
-+ {"ietf-inet-types", "2013-07-15", "ip-address-no-zone", ip_store_clb, NULL},
-+ {"ietf-inet-types", "2013-07-15", "ipv6-address-no-zone", ip_store_clb, NULL},
-+ {"ietf-inet-types", "2013-07-15", "ip-prefix", ip_prefix_store_clb, NULL},
-+ {"ietf-inet-types", "2013-07-15", "ipv4-prefix", ipv4_prefix_store_clb, NULL},
-+ {"ietf-inet-types", "2013-07-15", "ipv6-prefix", ipv6_prefix_store_clb, NULL},
-+ {NULL, NULL, NULL, NULL, NULL} /* terminating item */
-+};
-Index: libyang-0.16-r3/src/user_types/user_ipv4.c
-===================================================================
---- libyang-0.16-r3.orig/src/user_types/user_ipv4.c
-+++ /dev/null
-@@ -1,42 +0,0 @@
--/**
-- * @file user_ipv4.c
-- * @author Michal Vasko <mvasko@cesnet.cz>
-- * @brief Example implementation of an ipv4-address as a user type
-- *
-- * Copyright (c) 2018 CESNET, z.s.p.o.
-- *
-- * This source code is licensed under BSD 3-Clause License (the "License").
-- * You may not use this file except in compliance with the License.
-- * You may obtain a copy of the License at
-- *
-- * https://opensource.org/licenses/BSD-3-Clause
-- */
--
--#include <stdlib.h>
--#include <string.h>
--#include <arpa/inet.h>
--#include <sys/socket.h>
--
--#include "../user_types.h"
--
--static int
--ipv4_store_clb(const char *type_name, const char *value_str, lyd_val *value, char **err_msg)
--{
-- value->ptr = malloc(sizeof(struct in_addr));
-- if (!value->ptr) {
-- return 1;
-- }
--
-- if (inet_pton(AF_INET, value_str, value->ptr) != 1) {
-- free(value->ptr);
-- return 1;
-- }
-- return 0;
--}
--
--/* Name of this array must match the file name! */
--struct lytype_plugin_list user_ipv4[] = {
-- {"ietf-inet-types", "2013-07-15", "ipv4-address", ipv4_store_clb, free},
-- {"ietf-inet-types", "2013-07-15", "ipv4-address-no-zone", ipv4_store_clb, free},
-- {NULL, NULL, NULL, NULL, NULL} /* terminating item */
--};
-Index: libyang-0.16-r3/src/user_types/user_yang_types.c
-===================================================================
---- /dev/null
-+++ libyang-0.16-r3/src/user_types/user_yang_types.c
-@@ -0,0 +1,303 @@
-+/**
-+ * @file user_yang_types.c
-+ * @author Michal Vasko <mvasko@cesnet.cz>
-+ * @brief ietf-yang-types typedef validation and conversion to canonical format
-+ *
-+ * Copyright (c) 2018 CESNET, z.s.p.o.
-+ *
-+ * This source code is licensed under BSD 3-Clause License (the "License").
-+ * You may not use this file except in compliance with the License.
-+ * You may obtain a copy of the License at
-+ *
-+ * https://opensource.org/licenses/BSD-3-Clause
-+ */
-+#define _GNU_SOURCE
-+
-+#include <stdlib.h>
-+#include <string.h>
-+#include <stdint.h>
-+#include <errno.h>
-+#include <time.h>
-+#include <ctype.h>
-+
-+#include "../user_types.h"
-+
-+#ifdef __GNUC__
-+# define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
-+#else
-+# define UNUSED(x) UNUSED_ ## x
-+#endif
-+
-+static const char *gmt_offsets[] = {
-+ "+00:00",
-+ "+00:20",
-+ "+00:30",
-+ "+01:00",
-+ "+01:24",
-+ "+01:30",
-+ "+02:00",
-+ "+02:30",
-+ "+03:00",
-+ "+03:30",
-+ "+04:00",
-+ "+04:30",
-+ "+04:51",
-+ "+05:00",
-+ "+05:30",
-+ "+05:40",
-+ "+05:45",
-+ "+06:00",
-+ "+06:30",
-+ "+07:00",
-+ "+07:20",
-+ "+07:30",
-+ "+08:00",
-+ "+08:30",
-+ "+08:45",
-+ "+09:00",
-+ "+09:30",
-+ "+09:45",
-+ "+10:00",
-+ "+10:30",
-+ "+11:00",
-+ "+11:30",
-+ "+12:00",
-+ "+12:45",
-+ "+13:00",
-+ "+13:45",
-+ "+14:00",
-+ "-00:00",
-+ "-00:44",
-+ "-01:00",
-+ "-02:00",
-+ "-02:30",
-+ "-03:00",
-+ "-03:30",
-+ "-04:00",
-+ "-04:30",
-+ "-05:00",
-+ "-06:00",
-+ "-07:00",
-+ "-08:00",
-+ "-08:30",
-+ "-09:00",
-+ "-09:30",
-+ "-10:00",
-+ "-10:30",
-+ "-11:00",
-+ "-12:00",
-+};
-+
-+static int
-+date_and_time_store_clb(struct ly_ctx *UNUSED(ctx), const char *UNUSED(type_name), const char **value_str,
-+ lyd_val *UNUSED(value), char **err_msg)
-+{
-+ struct tm tm, tm2;
-+ uint32_t i, j, k;
-+ const char *val_str = *value_str;
-+ int ret;
-+
-+ /* \d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[\+\-]\d{2}:\d{2})
-+ * 2018-03-21T09:11:05(.55785...)(Z|+02:00) */
-+ memset(&tm, 0, sizeof tm);
-+ i = 0;
-+
-+ /* year */
-+ tm.tm_year = atoi(val_str + i);
-+ /* if there was some invalid number, it will either be discovered in the loop below or by mktime() */
-+ tm.tm_year -= 1900;
-+ for (j = i + 4; i < j; ++i) {
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ }
-+ if (val_str[i] != '-') {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", '-' expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ ++i;
-+
-+ /* month */
-+ tm.tm_mon = atoi(val_str + i);
-+ tm.tm_mon -= 1;
-+ for (j = i + 2; i < j; ++i) {
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ }
-+ if (val_str[i] != '-') {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", '-' expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ ++i;
-+
-+ /* day */
-+ tm.tm_mday = atoi(val_str + i);
-+ for (j = i + 2; i < j; ++i) {
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ }
-+ if (val_str[i] != 'T') {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", 'T' expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ ++i;
-+
-+ /* hours */
-+ tm.tm_hour = atoi(val_str + i);
-+ for (j = i + 2; i < j; ++i) {
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ }
-+ if (val_str[i] != ':') {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", ':' expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ ++i;
-+
-+ /* minutes */
-+ tm.tm_min = atoi(val_str + i);
-+ for (j = i + 2; i < j; ++i) {
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ }
-+ if (val_str[i] != ':') {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", ':' expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ ++i;
-+
-+ /* seconds */
-+ tm.tm_sec = atoi(val_str + i);
-+ for (j = i + 2; i < j; ++i) {
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ }
-+ if ((val_str[i] != '.') && (val_str[i] != 'Z') && (val_str[i] != '+') && (val_str[i] != '-')) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", '.', 'Z', '+', or '-' expected.",
-+ val_str[i], i, val_str);
-+ goto error;
-+ }
-+
-+ /* validate using mktime() */
-+ tm2 = tm;
-+ if (mktime(&tm) == -1) {
-+ ret = asprintf(err_msg, "Checking date-and-time value \"%s\" failed (%s).", val_str, strerror(errno));
-+ goto error;
-+ }
-+ /* we now have correctly filled the remaining values, use them */
-+ memcpy(((char *)&tm2) + (6 * sizeof(int)), ((char *)&tm) + (6 * sizeof(int)), sizeof(struct tm) - (6 * sizeof(int)));
-+ /* back it up again */
-+ tm = tm2;
-+ /* let mktime() correct date & time with having the other values correct now */
-+ if (mktime(&tm) == -1) {
-+ ret = asprintf(err_msg, "Checking date-and-time value \"%s\" failed (%s).", val_str, strerror(errno));
-+ goto error;
-+ }
-+ /* detect changes in the filled values */
-+ if (memcmp(&tm, &tm2, 6 * sizeof(int))) {
-+ ret = asprintf(err_msg, "Checking date-and-time value \"%s\" failed, canonical date and time is \"%04d-%02d-%02dT%02d:%02d:%02d\".",
-+ val_str, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
-+ goto error;
-+ }
-+
-+ /* tenth of a second */
-+ if (val_str[i] == '.') {
-+ ++i;
-+ if (!isdigit(val_str[i])) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", a digit expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+ do {
-+ ++i;
-+ } while (isdigit(val_str[i]));
-+ }
-+
-+ switch (val_str[i]) {
-+ case 'Z':
-+ /* done */
-+ break;
-+ case '+':
-+ case '-':
-+ /* timezone shift */
-+ k = sizeof gmt_offsets / sizeof *gmt_offsets;
-+ for (j = 0; j < k ; ++j) {
-+ if (!strncmp(val_str + i, gmt_offsets[j], 6)) {
-+ break;
-+ }
-+ }
-+ if (j == k) {
-+ ret = asprintf(err_msg, "Invalid timezone \"%.6s\" in date-and-time value \"%s\".", val_str + i, val_str);
-+ goto error;
-+ }
-+ i += 5;
-+ break;
-+ default:
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", 'Z', '+', or '-' expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+
-+ /* no other characters expected */
-+ ++i;
-+ if (val_str[i]) {
-+ ret = asprintf(err_msg, "Invalid character '%c'[%d] in date-and-time value \"%s\", no characters expected.", val_str[i], i, val_str);
-+ goto error;
-+ }
-+
-+ /* validation succeeded and we do not want to change how it is stored */
-+ return 0;
-+
-+error:
-+ if (ret == -1) {
-+ err_msg = NULL;
-+ }
-+ return 1;
-+}
-+
-+static int
-+hex_string_store_clb(struct ly_ctx *ctx, const char *UNUSED(type_name), const char **value_str, lyd_val *value, char **err_msg)
-+{
-+ char *str;
-+ uint32_t i, len;
-+
-+ str = strdup(*value_str);
-+ if (!str) {
-+ /* we can hardly allocate an error message */
-+ *err_msg = NULL;
-+ return 1;
-+ }
-+
-+ len = strlen(str);
-+ for (i = 0; i < len; ++i) {
-+ if ((str[i] >= 'A') && (str[i] <= 'Z')) {
-+ /* make it lowercase (canonical format) */
-+ str[i] += 32;
-+ }
-+ }
-+
-+ /* update the value correctly */
-+ lydict_remove(ctx, *value_str);
-+ *value_str = lydict_insert_zc(ctx, str);
-+ value->string = *value_str;
-+ return 0;
-+}
-+
-+/* Name of this array must match the file name! */
-+struct lytype_plugin_list user_yang_types[] = {
-+ {"ietf-yang-types", "2013-07-15", "date-and-time", date_and_time_store_clb, NULL},
-+ {"ietf-yang-types", "2013-07-15", "phys-address", hex_string_store_clb, NULL},
-+ {"ietf-yang-types", "2013-07-15", "mac-address", hex_string_store_clb, NULL},
-+ {"ietf-yang-types", "2013-07-15", "hex-string", hex_string_store_clb, NULL},
-+ {"ietf-yang-types", "2013-07-15", "uuid", hex_string_store_clb, NULL},
-+ {NULL, NULL, NULL, NULL, NULL} /* terminating item */
-+};
-Index: libyang-0.16-r3/tests/CMakeLists.txt
-===================================================================
---- libyang-0.16-r3.orig/tests/CMakeLists.txt
-+++ libyang-0.16-r3/tests/CMakeLists.txt
-@@ -7,7 +7,7 @@ set(CMAKE_MACOSX_RPATH TRUE)
- get_filename_component(TESTS_DIR "${CMAKE_SOURCE_DIR}/tests" REALPATH)
-
- set(api_tests test_libyang test_tree_schema test_xml test_dict test_tree_data test_tree_data_dup test_tree_data_merge test_xpath test_xpath_1.1 test_diff)
--set(data_tests test_data_initialization test_leafref_remove test_instid_remove test_keys test_autodel test_when test_when_1.1 test_must_1.1 test_defaults test_emptycont test_unique test_mandatory test_json test_parse_print test_values test_metadata test_yangtypes_xpath test_yang_data test_unknown_element)
-+set(data_tests test_data_initialization test_leafref_remove test_instid_remove test_keys test_autodel test_when test_when_1.1 test_must_1.1 test_defaults test_emptycont test_unique test_mandatory test_json test_parse_print test_values test_metadata test_yangtypes_xpath test_yang_data test_unknown_element test_user_types)
- set(schema_yin_tests test_print_transform)
- set(schema_tests test_ietf test_augment test_deviation test_refine test_typedef test_import test_include test_feature test_conformance test_leaflist test_status test_printer test_invalid)
- if(CMAKE_BUILD_TYPE MATCHES debug)
-Index: libyang-0.16-r3/tests/api/test_libyang.c
-===================================================================
---- libyang-0.16-r3.orig/tests/api/test_libyang.c
-+++ libyang-0.16-r3/tests/api/test_libyang.c
-@@ -1245,7 +1245,13 @@ test_ly_get_loaded_plugins(void **state)
- }
- assert_non_null(plugins[i]);
- for (i = 0; plugins[i]; ++i) {
-- if (!strcmp(plugins[i], "user_date_and_time")) {
-+ if (!strcmp(plugins[i], "user_yang_types")) {
-+ break;
-+ }
-+ }
-+ assert_non_null(plugins[i]);
-+ for (i = 0; plugins[i]; ++i) {
-+ if (!strcmp(plugins[i], "user_inet_types")) {
- break;
- }
- }
-Index: libyang-0.16-r3/tests/data/files/user-types.yang
-===================================================================
---- /dev/null
-+++ libyang-0.16-r3/tests/data/files/user-types.yang
-@@ -0,0 +1,61 @@
-+module user-types {
-+ namespace "urn:user-types";
-+ prefix ut;
-+
-+ import ietf-yang-types {
-+ prefix yang;
-+ }
-+
-+ import ietf-inet-types {
-+ prefix inet;
-+ }
-+
-+
-+ leaf yang1 {
-+ type yang:date-and-time;
-+ }
-+
-+ leaf yang2 {
-+ type yang:phys-address;
-+ }
-+
-+ leaf yang3 {
-+ type yang:mac-address;
-+ }
-+
-+ leaf yang4 {
-+ type yang:hex-string;
-+ }
-+
-+ leaf yang5 {
-+ type yang:uuid;
-+ }
-+
-+ leaf inet1 {
-+ type inet:ip-address;
-+ }
-+
-+ leaf inet2 {
-+ type inet:ipv6-address;
-+ }
-+
-+ leaf inet3 {
-+ type inet:ip-address-no-zone;
-+ }
-+
-+ leaf inet4 {
-+ type inet:ipv6-address-no-zone;
-+ }
-+
-+ leaf inet5 {
-+ type inet:ip-prefix;
-+ }
-+
-+ leaf inet6 {
-+ type inet:ipv4-prefix;
-+ }
-+
-+ leaf inet7 {
-+ type inet:ipv6-prefix;
-+ }
-+}
-Index: libyang-0.16-r3/tests/data/test_user_types.c
-===================================================================
---- /dev/null
-+++ libyang-0.16-r3/tests/data/test_user_types.c
-@@ -0,0 +1,226 @@
-+/**
-+ * @file test_user_types.c
-+ * @author Michal Vasko <mvasko@cesnet.cz>
-+ * @brief Cmocka tests for libyang internal user types.
-+ *
-+ * Copyright (c) 2018 CESNET, z.s.p.o.
-+ *
-+ * This source code is licensed under BSD 3-Clause License (the "License").
-+ * You may not use this file except in compliance with the License.
-+ * You may obtain a copy of the License at
-+ *
-+ * https://opensource.org/licenses/BSD-3-Clause
-+ */
-+
-+#include <stdio.h>
-+#include <stdlib.h>
-+#include <setjmp.h>
-+#include <stdarg.h>
-+#include <cmocka.h>
-+
-+#include "tests/config.h"
-+#include "libyang.h"
-+
-+struct state {
-+ struct ly_ctx *ctx;
-+ const struct lys_module *mod;
-+ struct lyd_node *dt;
-+};
-+
-+static int
-+setup_f(void **state)
-+{
-+ struct state *st;
-+
-+ (*state) = st = calloc(1, sizeof *st);
-+ if (!st) {
-+ fprintf(stderr, "Memory allocation error");
-+ return -1;
-+ }
-+
-+ /* libyang context */
-+ st->ctx = ly_ctx_new(TESTS_DIR"/data/files", 0);
-+ if (!st->ctx) {
-+ fprintf(stderr, "Failed to create context.\n");
-+ goto error;
-+ }
-+
-+ st->mod = ly_ctx_load_module(st->ctx, "user-types", NULL);
-+ if (!st->mod) {
-+ fprintf(stderr, "Failed to load schema.\n");
-+ goto error;
-+ }
-+
-+ return 0;
-+
-+error:
-+ ly_ctx_destroy(st->ctx, NULL);
-+ free(st);
-+ (*state) = NULL;
-+
-+ return -1;
-+}
-+
-+static int
-+teardown_f(void **state)
-+{
-+ struct state *st = (*state);
-+
-+ lyd_free_withsiblings(st->dt);
-+ ly_ctx_destroy(st->ctx, NULL);
-+ free(st);
-+ (*state) = NULL;
-+
-+ return 0;
-+}
-+
-+static void
-+test_yang_types(void **state)
-+{
-+ struct state *st = (struct state *)*state;
-+
-+ /* date-and-time */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang1", "2005-05-25T23:15:15.88888Z");
-+ assert_non_null(st->dt);
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang1", "2005-05-31T23:15:15-08:00");
-+ assert_non_null(st->dt);
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang1", "2005-05-31T23:15:15.-08:00");
-+ assert_null(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang1", "2005-02-29T23:15:15-08:00");
-+ assert_null(st->dt);
-+
-+ /* phys-address */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang2", "aa:bb:cc:dd");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "aa:bb:cc:dd");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang2", "AA:BB:1D:2F:CA:52");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "aa:bb:1d:2f:ca:52");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* mac-address */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang3", "12:34:56:78:9A:BC");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "12:34:56:78:9a:bc");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* hex-string */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang4", "AB:CD:eF:fE:dc:Ba:Ab");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "ab:cd:ef:fe:dc:ba:ab");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* uuid */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "yang5", "12AbCDef-3456-58cd-9ABC-8796cdACdfEE");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "12abcdef-3456-58cd-9abc-8796cdacdfee");
-+}
-+
-+static void
-+test_inet_types(void **state)
-+{
-+ struct state *st = (struct state *)*state;
-+
-+ /* ip-address */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet1", "192.168.0.1");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "192.168.0.1");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet1", "192.168.0.1%12");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "192.168.0.1%12");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet1", "2008:15:0:0:0:0:feAC:1");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "2008:15::feac:1");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* ipv6-address */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet2", "FAAC:21:011:Da85::87:daaF%1");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "faac:21:11:da85::87:daaf%1");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* ip-address-no-zone */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet3", "127.0.0.1");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "127.0.0.1");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet3", "0:00:000:0000:000:00:0:1");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "::1");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* ipv6-address-no-zone */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet4", "A:B:c:D:e:f:1:0");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "a:b:c:d:e:f:1:0");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* ip-prefix */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet5", "12.1.58.4/1");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "1.0.0.0/1");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet5", "12.1.58.4/24");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "255.255.255.0/24");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet5", "2000:A:B:C:D:E:f:a/16");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "ffff::/16");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* ipv4-prefix */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet6", "0.1.58.4/32");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "255.255.255.255/32");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet6", "12.1.58.4/8");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "255.0.0.0/8");
-+ lyd_free_withsiblings(st->dt);
-+
-+ /* ipv6-prefix */
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet7", "::C:D:E:f:a/112");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:0/112");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet7", "::C:D:E:f:a/110");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "ffff:ffff:ffff:ffff:ffff:ffff:3fff:0/110");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet7", "::C:D:E:f:a/96");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "ffff:ffff:ffff:ffff:ffff:ffff::/96");
-+ lyd_free_withsiblings(st->dt);
-+
-+ st->dt = lyd_new_leaf(NULL, st->mod, "inet7", "::C:D:E:f:a/55");
-+ assert_non_null(st->dt);
-+ assert_string_equal(((struct lyd_node_leaf_list *)st->dt)->value_str, "ffff:ffff:ffff:7f::/55");
-+}
-+
-+int main(void)
-+{
-+ const struct CMUnitTest tests[] = {
-+ cmocka_unit_test_setup_teardown(test_yang_types, setup_f, teardown_f),
-+ cmocka_unit_test_setup_teardown(test_inet_types, setup_f, teardown_f),
-+ };
-+
-+ return cmocka_run_group_tests(tests, NULL, NULL);
-+}
+++ /dev/null
-Index: libyang-0.16-r3/src/parser.c
-===================================================================
---- libyang-0.16-r3.orig/src/parser.c
-+++ libyang-0.16-r3/src/parser.c
-@@ -1210,7 +1210,7 @@ lyp_parse_value(struct lys_type *type, c
- unsigned int i, j;
- int64_t num;
- uint64_t unum, uind, u = 0;
-- const char *ptr, *value = *value_, *itemname;
-+ const char *ptr, *value = *value_, *itemname, *old_val_str;
- struct lys_type_bit **bits = NULL;
- struct lys_ident *ident;
- lyd_val *val, old_val;
-@@ -1245,7 +1245,8 @@ lyp_parse_value(struct lys_type *type, c
-
- /* fully clear the value */
- if (store) {
-- lyd_free_value(*val, *val_type, *val_flags, type, &old_val, &old_val_type, &old_val_flags);
-+ old_val_str = lydict_insert(ctx, *value_, 0);
-+ lyd_free_value(*val, *val_type, *val_flags, type, old_val_str, &old_val, &old_val_type, &old_val_flags);
- *val_flags &= ~LY_VALUE_UNRES;
- }
-
-@@ -1907,7 +1908,7 @@ lyp_parse_value(struct lys_type *type, c
-
- if (store) {
- /* erase possible present and invalid value data */
-- lyd_free_value(*val, *val_type, *val_flags, t, NULL, NULL, NULL);
-+ lyd_free_value(*val, *val_type, *val_flags, t, *value_, NULL, NULL, NULL);
- memset(val, 0, sizeof(lyd_val));
- }
- }
-@@ -1946,7 +1947,8 @@ lyp_parse_value(struct lys_type *type, c
-
- /* free backup */
- if (store) {
-- lyd_free_value(old_val, old_val_type, old_val_flags, type, NULL, NULL, NULL);
-+ lyd_free_value(old_val, old_val_type, old_val_flags, type, old_val_str, NULL, NULL, NULL);
-+ lydict_remove(ctx, old_val_str);
- }
- return type;
-
-@@ -1956,6 +1958,7 @@ error:
- *val = old_val;
- *val_type = old_val_type;
- *val_flags = old_val_flags;
-+ lydict_remove(ctx, old_val_str);
- }
- return NULL;
- }
-Index: libyang-0.16-r3/src/parser.h
-===================================================================
---- libyang-0.16-r3.orig/src/parser.h
-+++ libyang-0.16-r3/src/parser.h
-@@ -267,10 +267,10 @@ int lytype_store(const struct lys_module
- /**
- * @brief Free a user type stored value.
- *
-- * @param[in] mod Module of the type.
-- * @param[in] type_name Type (typedef) name.
-+ * @param[in] type Type of the value.
- * @param[in] value Value union to free.
-+ * @param[in] value_str String value of the value.
- */
--void lytype_free(const struct lys_module *mod, const char *type_name, lyd_val value);
-+void lytype_free(const struct lys_type *type, lyd_val value, const char *value_str);
-
- #endif /* LY_PARSER_H_ */
-Index: libyang-0.16-r3/src/plugins.c
-===================================================================
---- libyang-0.16-r3.orig/src/plugins.c
-+++ libyang-0.16-r3/src/plugins.c
-@@ -603,11 +603,40 @@ lytype_store(const struct lys_module *mo
- }
-
- void
--lytype_free(const struct lys_module *mod, const char *type_name, lyd_val value)
-+lytype_free(const struct lys_type *type, lyd_val value, const char *value_str)
- {
- struct lytype_plugin_list *p;
-+ struct lys_node_leaf sleaf;
-+ struct lyd_node_leaf_list leaf;
-+ struct lys_module *mod;
-
-- p = lytype_find(mod->name, mod->rev_size ? mod->rev[0].date : NULL, type_name);
-+ assert(type->der && type->der->module);
-+
-+ mod = type->der->module;
-+ memset(&sleaf, 0, sizeof sleaf);
-+ memset(&leaf, 0, sizeof leaf);
-+
-+ if (type->base == LY_TYPE_UNION) {
-+ /* create a fake schema node */
-+ sleaf.module = mod;
-+ sleaf.name = "fake-leaf";
-+ sleaf.type = *type;
-+ sleaf.nodetype = LYS_LEAF;
-+
-+ /* and a fake data node */
-+ leaf.schema = (struct lys_node *)&sleaf;
-+ leaf.value = value;
-+ leaf.value_str = value_str;
-+
-+ /* find the original type */
-+ type = lyd_leaf_type(&leaf);
-+ if (!type) {
-+ LOGINT(mod->ctx);
-+ return;
-+ }
-+ }
-+
-+ p = lytype_find(mod->name, mod->rev_size ? mod->rev[0].date : NULL, type->der->name);
- if (!p) {
- LOGINT(mod->ctx);
- return;
-Index: libyang-0.16-r3/src/resolve.c
-===================================================================
---- libyang-0.16-r3.orig/src/resolve.c
-+++ libyang-0.16-r3/src/resolve.c
-@@ -3630,7 +3630,7 @@ check_default(struct lys_type *type, con
- }
-
- cleanup:
-- lyd_free_value(node.value, node.value_type, node.value_flags, type, NULL, NULL, NULL);
-+ lyd_free_value(node.value, node.value_type, node.value_flags, type, node.value_str, NULL, NULL, NULL);
- lydict_remove(ctx, node.value_str);
- if (tpdf && node.schema) {
- free((char *)node.schema->name);
-@@ -7923,7 +7923,7 @@ resolve_union(struct lyd_node_leaf_list
-
- if (store) {
- lyd_free_value(leaf->value, leaf->value_type, leaf->value_flags, &((struct lys_node_leaf *)leaf->schema)->type,
-- NULL, NULL, NULL);
-+ leaf->value_str, NULL, NULL, NULL);
- memset(&leaf->value, 0, sizeof leaf->value);
- }
-
-@@ -8012,7 +8012,7 @@ resolve_union(struct lyd_node_leaf_list
-
- /* erase possible present and invalid value data */
- if (store) {
-- lyd_free_value(leaf->value, leaf->value_type, leaf->value_flags, t, NULL, NULL, NULL);
-+ lyd_free_value(leaf->value, leaf->value_type, leaf->value_flags, t, leaf->value_str, NULL, NULL, NULL);
- memset(&leaf->value, 0, sizeof leaf->value);
- }
- }
-Index: libyang-0.16-r3/src/tree_data.c
-===================================================================
---- libyang-0.16-r3.orig/src/tree_data.c
-+++ libyang-0.16-r3/src/tree_data.c
-@@ -2442,7 +2442,7 @@ lyd_merge_node_update(struct lyd_node *t
- NULL, trg_leaf, NULL, NULL, 1, src_leaf->dflt, 0);
- } else {
- lyd_free_value(trg_leaf->value, trg_leaf->value_type, trg_leaf->value_flags,
-- &((struct lys_node_leaf *)trg_leaf->schema)->type, NULL, NULL, NULL);
-+ &((struct lys_node_leaf *)trg_leaf->schema)->type, trg_leaf->value_str, NULL, NULL, NULL);
- trg_leaf->value = src_leaf->value;
- }
- src_leaf->value = (lyd_val)0;
-@@ -2492,7 +2492,7 @@ lyd_merge_node_update(struct lyd_node *t
- lydict_remove(ctx, trg_leaf->value_str);
- trg_leaf->value_str = lydict_insert(ctx, src_leaf->value_str, 0);
- lyd_free_value(trg_leaf->value, trg_leaf->value_type, trg_leaf->value_flags,
-- &((struct lys_node_leaf *)trg_leaf->schema)->type, NULL, NULL, NULL);
-+ &((struct lys_node_leaf *)trg_leaf->schema)->type, trg_leaf->value_str, NULL, NULL, NULL);
- trg_leaf->value_type = src_leaf->value_type;
- trg_leaf->dflt = src_leaf->dflt;
-
-@@ -5866,7 +5866,7 @@ lyd_free_attr(struct ly_ctx *ctx, struct
- lydict_remove(ctx, attr->name);
- type = lys_ext_complex_get_substmt(LY_STMT_TYPE, attr->annotation, NULL);
- assert(type);
-- lyd_free_value(attr->value, attr->value_type, attr->value_flags, *type, NULL, NULL, NULL);
-+ lyd_free_value(attr->value, attr->value_type, attr->value_flags, *type, attr->value_str, NULL, NULL, NULL);
- lydict_remove(ctx, attr->value_str);
- free(attr);
- }
-@@ -5975,8 +5975,8 @@ lyd_insert_attr(struct lyd_node *parent,
- }
-
- void
--lyd_free_value(lyd_val value, LY_DATA_TYPE value_type, uint8_t value_flags, struct lys_type *type, lyd_val *old_val,
-- LY_DATA_TYPE *old_val_type, uint8_t *old_val_flags)
-+lyd_free_value(lyd_val value, LY_DATA_TYPE value_type, uint8_t value_flags, struct lys_type *type, const char *value_str,
-+ lyd_val *old_val, LY_DATA_TYPE *old_val_type, uint8_t *old_val_flags)
- {
- if (old_val) {
- *old_val = value;
-@@ -5988,8 +5988,7 @@ lyd_free_value(lyd_val value, LY_DATA_TY
-
- /* otherwise the value is correctly freed */
- if (value_flags & LY_VALUE_USER) {
-- assert(type->der && type->der->module);
-- lytype_free(type->der->module, type->der->name, value);
-+ lytype_free(type, value, value_str);
- } else {
- switch (value_type) {
- case LY_TYPE_BITS:
-@@ -6062,7 +6061,7 @@ _lyd_free_node(struct lyd_node *node)
- case LYS_LEAFLIST:
- leaf = (struct lyd_node_leaf_list *)node;
- lyd_free_value(leaf->value, leaf->value_type, leaf->value_flags, &((struct lys_node_leaf *)leaf->schema)->type,
-- NULL, NULL, NULL);
-+ leaf->value_str, NULL, NULL, NULL);
- lydict_remove(leaf->schema->module->ctx, leaf->value_str);
- break;
- default:
-Index: libyang-0.16-r3/src/tree_internal.h
-===================================================================
---- libyang-0.16-r3.orig/src/tree_internal.h
-+++ libyang-0.16-r3/src/tree_internal.h
-@@ -496,8 +496,8 @@ int lyd_get_unique_default(const char* u
- int lyd_build_relative_data_path(const struct lys_module *module, const struct lyd_node *node, const char *schema_id,
- char *buf);
-
--void lyd_free_value(lyd_val value, LY_DATA_TYPE value_type, uint8_t value_flags, struct lys_type *type, lyd_val *old_val,
-- LY_DATA_TYPE *old_val_type, uint8_t *old_val_flags);
-+void lyd_free_value(lyd_val value, LY_DATA_TYPE value_type, uint8_t value_flags, struct lys_type *type,
-+ const char *value_str, lyd_val *old_val, LY_DATA_TYPE *old_val_type, uint8_t *old_val_flags);
-
- int lyd_list_equal(struct lyd_node *node1, struct lyd_node *node2, int with_defaults);
-