--- /dev/null
+/*
+ * virjsoncompat.c: JSON object parsing/formatting
+ *
+ * Copyright (C) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <config.h>
+
+#include "virthread.h"
+#include "virerror.h"
+#define VIR_JSON_COMPAT_IMPL
+#include "virjsoncompat.h"
+
+#define VIR_FROM_THIS VIR_FROM_NONE
+
+#if WITH_JANSSON
+
+# include <dlfcn.h>
+
+json_t *(*json_array_ptr)(void);
+int (*json_array_append_new_ptr)(json_t *array, json_t *value);
+json_t *(*json_array_get_ptr)(const json_t *array, size_t index);
+size_t (*json_array_size_ptr)(const json_t *array);
+void (*json_delete_ptr)(json_t *json);
+char *(*json_dumps_ptr)(const json_t *json, size_t flags);
+json_t *(*json_false_ptr)(void);
+json_t *(*json_integer_ptr)(json_int_t value);
+json_int_t (*json_integer_value_ptr)(const json_t *integer);
+json_t *(*json_loads_ptr)(const char *input, size_t flags, json_error_t *error);
+json_t *(*json_null_ptr)(void);
+json_t *(*json_object_ptr)(void);
+void *(*json_object_iter_ptr)(json_t *object);
+const char *(*json_object_iter_key_ptr)(void *iter);
+void *(*json_object_iter_next_ptr)(json_t *object, void *iter);
+json_t *(*json_object_iter_value_ptr)(void *iter);
+void *(*json_object_key_to_iter_ptr)(const char *key);
+int (*json_object_set_new_ptr)(json_t *object, const char *key, json_t *value);
+json_t *(*json_real_ptr)(double value);
+double (*json_real_value_ptr)(const json_t *real);
+json_t *(*json_string_ptr)(const char *value);
+const char *(*json_string_value_ptr)(const json_t *string);
+json_t *(*json_true_ptr)(void);
+
+
+static int
+virJSONJanssonOnceInit(void)
+{
+ void *handle = dlopen("libjansson.so.4", RTLD_LAZY|RTLD_LOCAL|RTLD_NODELETE);
+ if (!handle) {
+ virReportError(VIR_ERR_NO_SUPPORT,
+ _("libjansson.so.4 JSON library not available: %s"), dlerror());
+ return -1;
+ }
+
+# define LOAD(name) \
+ do { \
+ if (!(name ## _ptr = dlsym(handle, #name))) { \
+ virReportError(VIR_ERR_NO_SUPPORT, \
+ _("missing symbol '%s' in libjansson.so.4: %s"), #name, dlerror()); \
+ return -1; \
+ } \
+ } while (0)
+
+ LOAD(json_array);
+ LOAD(json_array_append_new);
+ LOAD(json_array_get);
+ LOAD(json_array_size);
+ LOAD(json_delete);
+ LOAD(json_dumps);
+ LOAD(json_false);
+ LOAD(json_integer);
+ LOAD(json_integer_value);
+ LOAD(json_loads);
+ LOAD(json_null);
+ LOAD(json_object);
+ LOAD(json_object_iter);
+ LOAD(json_object_iter_key);
+ LOAD(json_object_iter_next);
+ LOAD(json_object_iter_value);
+ LOAD(json_object_key_to_iter);
+ LOAD(json_object_set_new);
+ LOAD(json_real);
+ LOAD(json_real_value);
+ LOAD(json_string);
+ LOAD(json_string_value);
+ LOAD(json_true);
+
+ return 0;
+}
+
+VIR_ONCE_GLOBAL_INIT(virJSONJansson);
+
+int
+virJSONInitialize(void)
+{
+ return virJSONJanssonInitialize();
+}
+
+json_t *
+json_array_impl(void)
+{
+ return json_array_ptr();
+}
+
+
+int
+json_array_append_new_impl(json_t *array, json_t *value)
+{
+ return json_array_append_new_ptr(array, value);
+}
+
+
+json_t *
+json_array_get_impl(const json_t *array, size_t index)
+{
+ return json_array_get_ptr(array, index);
+}
+
+
+size_t
+json_array_size_impl(const json_t *array)
+{
+ return json_array_size_ptr(array);
+}
+
+
+void
+json_delete_impl(json_t *json)
+{
+ return json_delete_ptr(json);
+}
+
+
+char *
+json_dumps_impl(const json_t *json, size_t flags)
+{
+ return json_dumps_ptr(json, flags);
+}
+
+
+json_t *
+json_false_impl(void)
+{
+ return json_false_ptr();
+}
+
+
+json_t *
+json_integer_impl(json_int_t value)
+{
+ return json_integer_ptr(value);
+}
+
+
+json_int_t
+json_integer_value_impl(const json_t *integer)
+{
+ return json_integer_value_ptr(integer);
+}
+
+
+json_t *
+json_loads_impl(const char *input, size_t flags, json_error_t *error)
+{
+ return json_loads_ptr(input, flags, error);
+}
+
+
+json_t *
+json_null_impl(void)
+{
+ return json_null_ptr();
+}
+
+
+json_t *
+json_object_impl(void)
+{
+ return json_object_ptr();
+}
+
+
+void *
+json_object_iter_impl(json_t *object)
+{
+ return json_object_iter_ptr(object);
+}
+
+
+const char *
+json_object_iter_key_impl(void *iter)
+{
+ return json_object_iter_key_ptr(iter);
+}
+
+
+void *
+json_object_iter_next_impl(json_t *object, void *iter)
+{
+ return json_object_iter_next_ptr(object, iter);
+}
+
+
+json_t *
+json_object_iter_value_impl(void *iter)
+{
+ return json_object_iter_value_ptr(iter);
+}
+
+
+void *
+json_object_key_to_iter_impl(const char *key)
+{
+ return json_object_key_to_iter_ptr(key);
+}
+
+
+int
+json_object_set_new_impl(json_t *object, const char *key, json_t *value)
+{
+ return json_object_set_new_ptr(object, key, value);
+}
+
+
+json_t *
+json_real_impl(double value)
+{
+ return json_real_ptr(value);
+}
+
+
+double
+json_real_value_impl(const json_t *real)
+{
+ return json_real_value_ptr(real);
+}
+
+
+json_t *
+json_string_impl(const char *value)
+{
+ return json_string_ptr(value);
+}
+
+
+const char *
+json_string_value_impl(const json_t *string)
+{
+ return json_string_value_ptr(string);
+}
+
+
+json_t *
+json_true_impl(void)
+{
+ return json_true_ptr();
+}
+
+#endif /* WITH_JANSSON */
--- /dev/null
+/*
+ * virjsoncompat.h: JSON object parsing/formatting
+ *
+ * Copyright (C) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifndef __VIR_JSON_COMPAT_H_
+# define __VIR_JSON_COMPAT_H_
+
+# if WITH_JANSSON
+# ifndef VIR_JSON_COMPAT_IMPL
+
+# define json_array json_array_impl
+# define json_array_append_new json_array_append_new_impl
+# define json_array_get json_array_get_impl
+# define json_array_size json_array_size_impl
+# define json_delete json_delete_impl
+# define json_dumps json_dumps_impl
+# define json_false json_false_impl
+# define json_integer json_integer_impl
+# define json_integer_value json_integer_value_impl
+# define json_loads json_loads_impl
+# define json_null json_null_impl
+# define json_object json_object_impl
+# define json_object_iter json_object_iter_impl
+# define json_object_iter_key json_object_iter_key_impl
+# define json_object_iter_next json_object_iter_next_impl
+# define json_object_iter_value json_object_iter_value_impl
+# define json_object_key_to_iter json_object_key_to_iter_impl
+# define json_object_set_new json_object_set_new_impl
+# define json_real json_real_impl
+# define json_real_value json_real_value_impl
+# define json_string json_string_impl
+# define json_string_value json_string_value_impl
+# define json_true json_true_impl
+
+# endif /* ! VIR_JSON_COMPAT_IMPL */
+
+# include <jansson.h>
+
+# ifdef VIR_JSON_COMPAT_IMPL
+
+json_t *json_array_impl(void);
+int json_array_append_new_impl(json_t *array, json_t *value);
+json_t *json_array_get_impl(const json_t *array, size_t index);
+size_t json_array_size_impl(const json_t *array);
+void json_delete_impl(json_t *json);
+char *json_dumps_impl(const json_t *json, size_t flags);
+json_t *json_false_impl(void);
+json_t *json_integer_impl(json_int_t value);
+json_int_t json_integer_value_impl(const json_t *integer);
+json_t *json_loads_impl(const char *input, size_t flags, json_error_t *error);
+json_t *json_null_impl(void);
+json_t *json_object_impl(void);
+void *json_object_iter_impl(json_t *object);
+const char *json_object_iter_key_impl(void *iter);
+void *json_object_iter_next_impl(json_t *object, void *iter);
+json_t *json_object_iter_value_impl(void *iter);
+void *json_object_key_to_iter_impl(const char *key);
+int json_object_set_new_impl(json_t *object, const char *key, json_t *value);
+json_t *json_real_impl(double value);
+double json_real_value_impl(const json_t *real);
+json_t *json_string_impl(const char *value);
+const char *json_string_value_impl(const json_t *string);
+json_t *json_true_impl(void);
+
+# endif /* VIR_JSON_COMPAT_IMPL */
+# endif /* WITH_JANSSON */
+
+int virJSONInitialize(void);
+
+#endif /* __VIR_JSON_COMPAT_H_ */
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