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dbus: Get rid of unnecessary string duplication in dbus_path

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There is no point in making it so complex to initialize a string
with two allocations and a function call.
This commit is contained in:
Jouni Malinen 2010-01-01 18:56:07 +02:00
parent 52bdd880a3
commit 1912049828
3 changed files with 17 additions and 68 deletions
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43
wpa_supplicant/dbus/dbus_new.c
View File

@ -28,24 +28,6 @@
#include "dbus_common.h" #include "dbus_common.h"
#include "dbus_common_i.h" #include "dbus_common_i.h"
/**
* wpas_dbus_set_path - Assign a dbus path to an interface
* @wpa_s: wpa_supplicant interface structure
* @path: dbus path to set on the interface
* Returns: 0 on success, -1 on error
*/
static int wpas_dbus_set_path(struct wpa_supplicant *wpa_s,
const char *path)
{
u32 len = os_strlen(path);
if (len >= WPAS_DBUS_OBJECT_PATH_MAX)
return -1;
if (wpa_s->dbus_new_path)
return -1;
wpa_s->dbus_new_path = os_strdup(path);
return 0;
}
/** /**
* wpas_dbus_signal_interface - Send a interface related event signal * wpas_dbus_signal_interface - Send a interface related event signal
@ -1766,7 +1748,6 @@ int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
{ {
struct wpa_dbus_object_desc *obj_desc = NULL; struct wpa_dbus_object_desc *obj_desc = NULL;
char *path;
struct wpas_dbus_priv *ctrl_iface = wpa_s->global->dbus; struct wpas_dbus_priv *ctrl_iface = wpa_s->global->dbus;
int next; int next;
@ -1775,19 +1756,13 @@ int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
return 0; return 0;
/* Create and set the interface's object path */ /* Create and set the interface's object path */
path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX); wpa_s->dbus_new_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (path == NULL) if (wpa_s->dbus_new_path == NULL)
return -1; return -1;
next = ctrl_iface->next_objid++; next = ctrl_iface->next_objid++;
os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX, os_snprintf(wpa_s->dbus_new_path, WPAS_DBUS_OBJECT_PATH_MAX,
WPAS_DBUS_NEW_PATH_INTERFACES "/%u", WPAS_DBUS_NEW_PATH_INTERFACES "/%u",
next); next);
if (wpas_dbus_set_path(wpa_s, path)) {
wpa_printf(MSG_DEBUG,
"Failed to set dbus path for interface %s",
wpa_s->ifname);
goto err;
}
obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc)); obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
if (!obj_desc) { if (!obj_desc) {
@ -1800,19 +1775,21 @@ int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
wpas_dbus_interface_properties, wpas_dbus_interface_properties,
wpas_dbus_interface_signals); wpas_dbus_interface_signals);
wpa_printf(MSG_DEBUG, "dbus: Register interface object '%s'", path); wpa_printf(MSG_DEBUG, "dbus: Register interface object '%s'",
if (wpa_dbus_register_object_per_iface(ctrl_iface, path, wpa_s->ifname, wpa_s->dbus_new_path);
obj_desc)) if (wpa_dbus_register_object_per_iface(ctrl_iface,
wpa_s->dbus_new_path,
wpa_s->ifname, obj_desc))
goto err; goto err;
wpas_dbus_signal_interface_added(wpa_s); wpas_dbus_signal_interface_added(wpa_s);
os_free(path);
return 0; return 0;
err: err:
os_free(wpa_s->dbus_new_path);
wpa_s->dbus_new_path = NULL;
os_free(obj_desc); os_free(obj_desc);
os_free(path);
return -1; return -1;
} }

40
wpa_supplicant/dbus/dbus_old.c
View File

@ -696,7 +696,6 @@ int wpas_dbus_register_iface(struct wpa_supplicant *wpa_s)
DBusObjectPathVTable vtable = { DBusObjectPathVTable vtable = {
NULL, &wpas_iface_message_handler, NULL, NULL, NULL, NULL NULL, &wpas_iface_message_handler, NULL, NULL, NULL, NULL
}; };
char *path;
int ret = -1; int ret = -1;
/* Do nothing if the control interface is not turned on */ /* Do nothing if the control interface is not turned on */
@ -707,21 +706,16 @@ int wpas_dbus_register_iface(struct wpa_supplicant *wpa_s)
next = ctrl_iface->next_objid++; next = ctrl_iface->next_objid++;
/* Create and set the interface's object path */ /* Create and set the interface's object path */
path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX); wpa_s->dbus_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (path == NULL) if (wpa_s->dbus_path == NULL)
return -1; return -1;
snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX, os_snprintf(wpa_s->dbus_path, WPAS_DBUS_OBJECT_PATH_MAX,
WPAS_DBUS_PATH_INTERFACES "/%u", WPAS_DBUS_PATH_INTERFACES "/%u",
next); next);
if (wpa_supplicant_set_dbus_path(wpa_s, path)) {
wpa_printf(MSG_DEBUG,
"Failed to set dbus path for interface %s",
wpa_s->ifname);
goto out;
}
/* Register the message handler for the interface functions */ /* Register the message handler for the interface functions */
if (!dbus_connection_register_fallback(con, path, &vtable, wpa_s)) { if (!dbus_connection_register_fallback(con, wpa_s->dbus_path, &vtable,
wpa_s)) {
perror("wpas_dbus_register_iface [dbus]"); perror("wpas_dbus_register_iface [dbus]");
wpa_printf(MSG_ERROR, "Could not set up DBus message " wpa_printf(MSG_ERROR, "Could not set up DBus message "
"handler for interface %s.", wpa_s->ifname); "handler for interface %s.", wpa_s->ifname);
@ -730,7 +724,6 @@ int wpas_dbus_register_iface(struct wpa_supplicant *wpa_s)
ret = 0; ret = 0;
out: out:
os_free(path);
return ret; return ret;
} }
@ -787,25 +780,6 @@ struct wpa_supplicant * wpa_supplicant_get_iface_by_dbus_path(
} }
/**
* wpa_supplicant_set_dbus_path - Assign a dbus path to an interface
* @wpa_s: wpa_supplicant interface structure
* @path: dbus path to set on the interface
* Returns: 0 on succes, -1 on error
*/
int wpa_supplicant_set_dbus_path(struct wpa_supplicant *wpa_s,
const char *path)
{
u32 len = strlen (path);
if (len >= WPAS_DBUS_OBJECT_PATH_MAX)
return -1;
if (wpa_s->dbus_path)
return -1;
wpa_s->dbus_path = os_strdup(path);
return 0;
}
/** /**
* wpa_supplicant_get_dbus_path - Get an interface's dbus path * wpa_supplicant_get_dbus_path - Get an interface's dbus path
* @wpa_s: %wpa_supplicant interface structure * @wpa_s: %wpa_supplicant interface structure

2
wpa_supplicant/dbus/dbus_old.h
View File

@ -91,8 +91,6 @@ int wpas_dbus_unregister_iface(struct wpa_supplicant *wpa_s);
/* Methods internal to the dbus control interface */ /* Methods internal to the dbus control interface */
int wpa_supplicant_set_dbus_path(struct wpa_supplicant *wpa_s,
const char *path);
const char *wpa_supplicant_get_dbus_path(struct wpa_supplicant *wpa_s); const char *wpa_supplicant_get_dbus_path(struct wpa_supplicant *wpa_s);
struct wpa_supplicant * wpa_supplicant_get_iface_by_dbus_path( struct wpa_supplicant * wpa_supplicant_get_iface_by_dbus_path(
struct wpa_global *global, const char *path); struct wpa_global *global, const char *path);