#ifndef AUTH_MELLON_COMPAT_H

#define AUTH_MELLON_COMPAT_H

#include <glib.h>

#include "ap_config.h"

#include "ap_release.h"

#ifdef AP_NEED_SET_MUTEX_PERMS

#include "unixd.h"

#endif

/* Old glib compatibility */

#if (GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION < 14)

static void g_hash_table_get_keys_helper(gpointer key, gpointer value,

                                         gpointer user_data)

{

    GList **out = user_data;

    *out = g_list_prepend(*out, key);

}

static GList *g_hash_table_get_keys(GHashTable *ht)

{

    GList *ret = NULL;

    g_hash_table_foreach(ht, g_hash_table_get_keys_helper, &ret;;

    return g_list_reverse(ret);

}

#endif

/* "remote_ip" in struct conn_rec changed name to "client_ip" in Apache 2.4.

 * This function retrieves the corrent member depending on the Apache version.

 */

static inline const char *am_compat_request_ip(request_rec *r) {

#if (AP_SERVER_MAJORVERSION_NUMBER == 2) && (AP_SERVER_MINORVERSION_NUMBER < 4)

    return r->connection->remote_ip;

#else

    return r->connection->client_ip;

#endif

}

/* unixd_set_global_mutex_perms changed name to ap_unixd_set_global_mutex_perms

 * in Apache 2.4. This function provides a wrapper with the new name for old

 * versions.

 */

#ifdef AP_NEED_SET_MUTEX_PERMS

#if (AP_SERVER_MAJORVERSION_NUMBER == 2) && (AP_SERVER_MINORVERSION_NUMBER < 4)

static inline apr_status_t ap_unixd_set_global_mutex_perms(apr_global_mutex_t *gmutex) {

    return unixd_set_global_mutex_perms(gmutex);

}

#endif

#endif /* AP_NEED_SET_MUTEX_PERMS */

#endif /* AUTH_MELLON_COMPAT_H */