/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright 2008 - 2011 Red Hat, Inc.
*/
#ifndef __NM_GLIB_H__
#define __NM_GLIB_H__
#include <gio/gio.h>
#include <string.h>
#include "gsystem-local-alloc.h"
#ifdef __clang__
#undef G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#undef G_GNUC_END_IGNORE_DEPRECATIONS
#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
#define G_GNUC_END_IGNORE_DEPRECATIONS \
_Pragma("clang diagnostic pop")
#endif
static inline void
__g_type_ensure (GType type)
{
#if !GLIB_CHECK_VERSION(2,34,0)
if (G_UNLIKELY (type == (GType)-1))
g_error ("can't happen");
#else
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
g_type_ensure (type);
G_GNUC_END_IGNORE_DEPRECATIONS;
#endif
}
#define g_type_ensure __g_type_ensure
#if !GLIB_CHECK_VERSION(2,34,0)
#define g_clear_pointer(pp, destroy) \
G_STMT_START { \
G_STATIC_ASSERT (sizeof *(pp) == sizeof (gpointer)); \
/* Only one access, please */ \
gpointer *_pp = (gpointer *) (pp); \
gpointer _p; \
/* This assignment is needed to avoid a gcc warning */ \
GDestroyNotify _destroy = (GDestroyNotify) (destroy); \
\
_p = *_pp; \
if (_p) \
{ \
*_pp = NULL; \
_destroy (_p); \
} \
} G_STMT_END
/* These are used to clean up the output of test programs; we can just let
* them no-op in older glib.
*/
#define g_test_expect_message(log_domain, log_level, pattern)
#define g_test_assert_expected_messages()
#else
/* We build with -DGLIB_MAX_ALLOWED_VERSION set to 2.32 to make sure we don't
* accidentally use new API that we shouldn't. But we don't want warnings for
* the APIs that we emulate above.
*/
#define g_test_expect_message(domain, level, format...) \
G_STMT_START { \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
g_test_expect_message (domain, level, format); \
G_GNUC_END_IGNORE_DEPRECATIONS \
} G_STMT_END
#define g_test_assert_expected_messages_internal(domain, file, line, func) \
G_STMT_START { \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
g_test_assert_expected_messages_internal (domain, file, line, func); \
G_GNUC_END_IGNORE_DEPRECATIONS \
} G_STMT_END
#endif
#if GLIB_CHECK_VERSION (2, 35, 0)
/* For glib >= 2.36, g_type_init() is deprecated.
* But since 2.35.1 (7c42ab23b55c43ab96d0ac2124b550bf1f49c1ec) this function
* does nothing. Replace the call with empty statement. */
#define nm_g_type_init() G_STMT_START { (void) 0; } G_STMT_END
#else
#define nm_g_type_init() G_STMT_START { g_type_init (); } G_STMT_END
#endif
/* g_test_initialized() is only available since glib 2.36. */
#if !GLIB_CHECK_VERSION (2, 36, 0)
#define g_test_initialized() (g_test_config_vars->test_initialized)
#endif
/* g_assert_cmpmem() is only available since glib 2.46. */
#if !GLIB_CHECK_VERSION (2, 45, 7)
#define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
gconstpointer __m1 = m1, __m2 = m2; \
int __l1 = l1, __l2 = l2; \
if (__l1 != __l2) \
g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
#l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", __l1, "==", __l2, 'i'); \
else if (memcmp (__m1, __m2, __l1) != 0) \
g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
"assertion failed (" #m1 " == " #m2 ")"); \
} G_STMT_END
#endif
/* Rumtime check for glib version. First do a compile time check which
* (if satisfied) shortcuts the runtime check. */
static inline gboolean
nm_glib_check_version (guint major, guint minor, guint micro)
{
return GLIB_CHECK_VERSION (major, minor, micro)
|| ( ( glib_major_version > major)
|| ( glib_major_version == major
&& glib_minor_version > minor)
|| ( glib_major_version == major
&& glib_minor_version == minor
&& glib_micro_version < micro));
}
/* g_test_skip() is only available since glib 2.38. Add a compatibility wrapper. */
static inline void
__nmtst_g_test_skip (const gchar *msg)
{
#if GLIB_CHECK_VERSION (2, 38, 0)
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
g_test_skip (msg);
G_GNUC_END_IGNORE_DEPRECATIONS
#else
g_debug ("%s", msg);
#endif
}
#define g_test_skip __nmtst_g_test_skip
/* g_test_add_data_func_full() is only available since glib 2.34. Add a compatibility wrapper. */
static inline void
__g_test_add_data_func_full (const char *testpath,
gpointer test_data,
GTestDataFunc test_func,
GDestroyNotify data_free_func)
{
#if GLIB_CHECK_VERSION (2, 34, 0)
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
g_test_add_data_func_full (testpath, test_data, test_func, data_free_func);
G_GNUC_END_IGNORE_DEPRECATIONS
#else
g_return_if_fail (testpath != NULL);
g_return_if_fail (testpath[0] == '/');
g_return_if_fail (test_func != NULL);
g_test_add_vtable (testpath, 0, test_data, NULL,
(GTestFixtureFunc) test_func,
(GTestFixtureFunc) data_free_func);
#endif
}
#define g_test_add_data_func_full __g_test_add_data_func_full
#if !GLIB_CHECK_VERSION (2, 34, 0)
#define G_DEFINE_QUARK(QN, q_n) \
GQuark \
q_n##_quark (void) \
{ \
static GQuark q; \
\
if G_UNLIKELY (q == 0) \
q = g_quark_from_static_string (#QN); \
\
return q; \
}
#endif
static inline gboolean
nm_g_hash_table_replace (GHashTable *hash, gpointer key, gpointer value)
{
/* glib 2.40 added a return value indicating whether the key already existed
* (910191597a6c2e5d5d460e9ce9efb4f47d9cc63c). */
#if GLIB_CHECK_VERSION(2, 40, 0)
return g_hash_table_replace (hash, key, value);
#else
gboolean contained = g_hash_table_contains (hash, key);
g_hash_table_replace (hash, key, value);
return !contained;
#endif
}
static inline gboolean
nm_g_hash_table_insert (GHashTable *hash, gpointer key, gpointer value)
{
/* glib 2.40 added a return value indicating whether the key already existed
* (910191597a6c2e5d5d460e9ce9efb4f47d9cc63c). */
#if GLIB_CHECK_VERSION(2, 40, 0)
return g_hash_table_insert (hash, key, value);
#else
gboolean contained = g_hash_table_contains (hash, key);
g_hash_table_insert (hash, key, value);
return !contained;
#endif
}
static inline gboolean
nm_g_hash_table_add (GHashTable *hash, gpointer key)
{
/* glib 2.40 added a return value indicating whether the key already existed
* (910191597a6c2e5d5d460e9ce9efb4f47d9cc63c). */
#if GLIB_CHECK_VERSION(2, 40, 0)
return g_hash_table_add (hash, key);
#else
gboolean contained = g_hash_table_contains (hash, key);
g_hash_table_add (hash, key);
return !contained;
#endif
}
#if !GLIB_CHECK_VERSION(2, 40, 0) || defined (NM_GLIB_COMPAT_H_TEST)
static inline void
_nm_g_ptr_array_insert (GPtrArray *array,
gint index_,
gpointer data)
{
g_return_if_fail (array);
g_return_if_fail (index_ >= -1);
g_return_if_fail (index_ <= (gint) array->len);
g_ptr_array_add (array, data);
if (index_ != -1 && index_ != (gint) (array->len - 1)) {
memmove (&(array->pdata[index_ + 1]),
&(array->pdata[index_]),
(array->len - index_ - 1) * sizeof (gpointer));
array->pdata[index_] = data;
}
}
#endif
#if !GLIB_CHECK_VERSION(2, 40, 0)
#define g_ptr_array_insert(array, index, data) G_STMT_START { _nm_g_ptr_array_insert (array, index, data); } G_STMT_END
#else
#define g_ptr_array_insert(array, index, data) \
G_STMT_START { \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
g_ptr_array_insert (array, index, data); \
G_GNUC_END_IGNORE_DEPRECATIONS \
} G_STMT_END
#endif
#if !GLIB_CHECK_VERSION (2, 40, 0)
static inline gboolean
_g_key_file_save_to_file (GKeyFile *key_file,
const gchar *filename,
GError **error)
{
gchar *contents;
gboolean success;
gsize length;
g_return_val_if_fail (key_file != NULL, FALSE);
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
contents = g_key_file_to_data (key_file, &length, NULL);
g_assert (contents != NULL);
success = g_file_set_contents (filename, contents, length, error);
g_free (contents);
return success;
}
#define g_key_file_save_to_file(key_file, filename, error) \
_g_key_file_save_to_file (key_file, filename, error)
#else
#define g_key_file_save_to_file(key_file, filename, error) \
({ \
gboolean _success; \
\
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
_success = g_key_file_save_to_file (key_file, filename, error); \
G_GNUC_END_IGNORE_DEPRECATIONS \
_success; \
})
#endif
#if GLIB_CHECK_VERSION (2, 36, 0)
#define g_credentials_get_unix_pid(creds, error) \
({ \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
(g_credentials_get_unix_pid) ((creds), (error)); \
G_GNUC_END_IGNORE_DEPRECATIONS \
})
#else
#define g_credentials_get_unix_pid(creds, error) \
({ \
struct ucred *native_creds; \
\
native_creds = g_credentials_get_native ((creds), G_CREDENTIALS_TYPE_LINUX_UCRED); \
g_assert (native_creds); \
native_creds->pid; \
})
#endif
#if !GLIB_CHECK_VERSION(2, 40, 0) || defined (NM_GLIB_COMPAT_H_TEST)
static inline gpointer *
_nm_g_hash_table_get_keys_as_array (GHashTable *hash_table,
guint *length)
{
GHashTableIter iter;
gpointer key, *ret;
guint i = 0;
g_return_val_if_fail (hash_table, NULL);
ret = g_new0 (gpointer, g_hash_table_size (hash_table) + 1);
g_hash_table_iter_init (&iter, hash_table);
while (g_hash_table_iter_next (&iter, &key, NULL))
ret[i++] = key;
ret[i] = NULL;
if (length)
*length = i;
return ret;
}
#endif
#if !GLIB_CHECK_VERSION(2, 40, 0)
#define g_hash_table_get_keys_as_array(hash_table, length) \
({ \
_nm_g_hash_table_get_keys_as_array (hash_table, length); \
})
#else
#define g_hash_table_get_keys_as_array(hash_table, length) \
({ \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
(g_hash_table_get_keys_as_array) ((hash_table), (length)); \
G_GNUC_END_IGNORE_DEPRECATIONS \
})
#endif
#ifndef g_info
/* g_info was only added with 2.39.2 */
#define g_info(...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_INFO, \
__VA_ARGS__)
#endif
#if !GLIB_CHECK_VERSION(2, 44, 0)
static inline gpointer
g_steal_pointer (gpointer pp)
{
gpointer *ptr = (gpointer *) pp;
gpointer ref;
ref = *ptr;
*ptr = NULL;
return ref;
}
/* type safety */
#define g_steal_pointer(pp) \
(0 ? (*(pp)) : (g_steal_pointer) (pp))
#endif
static inline gboolean
_nm_g_strv_contains (const gchar * const *strv,
const gchar *str)
{
#if !GLIB_CHECK_VERSION(2, 44, 0)
g_return_val_if_fail (strv != NULL, FALSE);
g_return_val_if_fail (str != NULL, FALSE);
for (; *strv != NULL; strv++) {
if (g_str_equal (str, *strv))
return TRUE;
}
return FALSE;
#else
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
return g_strv_contains (strv, str);
G_GNUC_END_IGNORE_DEPRECATIONS
#endif
}
#define g_strv_contains _nm_g_strv_contains
static inline GVariant *
_nm_g_variant_new_take_string (gchar *string)
{
#if !GLIB_CHECK_VERSION(2, 36, 0)
GVariant *value;
g_return_val_if_fail (string != NULL, NULL);
g_return_val_if_fail (g_utf8_validate (string, -1, NULL), NULL);
value = g_variant_new_string (string);
g_free (string);
return value;
#elif !GLIB_CHECK_VERSION(2, 38, 0)
GVariant *value;
GBytes *bytes;
g_return_val_if_fail (string != NULL, NULL);
g_return_val_if_fail (g_utf8_validate (string, -1, NULL), NULL);
bytes = g_bytes_new_take (string, strlen (string) + 1);
value = g_variant_new_from_bytes (G_VARIANT_TYPE_STRING, bytes, TRUE);
g_bytes_unref (bytes);
return value;
#else
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
return g_variant_new_take_string (string);
G_GNUC_END_IGNORE_DEPRECATIONS
#endif
}
#define g_variant_new_take_string _nm_g_variant_new_take_string
#if !GLIB_CHECK_VERSION(2, 38, 0)
_nm_printf (1, 2)
static inline GVariant *
_nm_g_variant_new_printf (const char *format_string, ...)
{
char *string;
va_list ap;
g_return_val_if_fail (format_string, NULL);
va_start (ap, format_string);
string = g_strdup_vprintf (format_string, ap);
va_end (ap);
return g_variant_new_take_string (string);
}
#define g_variant_new_printf(...) _nm_g_variant_new_printf(__VA_ARGS__)
#else
#define g_variant_new_printf(...) \
({ \
GVariant *_v; \
\
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
_v = g_variant_new_printf (__VA_ARGS__); \
G_GNUC_END_IGNORE_DEPRECATIONS \
_v; \
})
#endif
#if !GLIB_CHECK_VERSION (2, 56, 0)
#define g_object_ref(Obj) ((typeof(Obj)) g_object_ref (Obj))
#define g_object_ref_sink(Obj) ((typeof(Obj)) g_object_ref_sink (Obj))
#endif
#endif /* __NM_GLIB_H__ */