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Ecore_Win32: free 'compose' field when needed, fix memory leak 

Reviewers: raster, zmike

Reviewed By: zmike

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D11415
This commit is contained in:
Vincent Torri 2020-02-25 10:27:14 -05:00 committed by Mike Blumenkrantz
parent 0ff7469d91
commit fa562828b8
1 changed files with 32 additions and 15 deletions
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47
src/lib/ecore_win32/ecore_win32_event.c
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@ -273,7 +273,8 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
char string[2] = { 0, 0 };
const char *keyname = NULL;
const char *key = NULL;
const char *compose = NULL;
char *compose = NULL;
unsigned char free_compose = 0;
switch (msg->window_param)
{
@ -1178,12 +1179,16 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
{
/* dead key, but managed like normal key */
compose = evil_utf16_to_utf8(buf);
free_compose = 1;
}
else if (res == 0)
{
INF("No translatable character found, skipping");
if (msg->window_param >= 0x30 && msg->window_param <= 0x39)
compose = evil_utf16_to_utf8(buf);
{
compose = evil_utf16_to_utf8(buf);
free_compose = 1;
}
/* otherwise, compose is NULL */
}
else if (res >= 2)
@ -1197,11 +1202,17 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
MapVirtualKey(msg->window_param, MAPVK_VK_TO_CHAR),
kbd_state, buf, 4, 0);
if (!((res != 1) && (res != -1)))
compose = evil_utf16_to_utf8(buf);
{
compose = evil_utf16_to_utf8(buf);
free_compose = 1;
}
/* otherwise, compose is NULL */
}
else /* res == 1 : 1 char written to buf */
compose = evil_utf16_to_utf8(buf);
{
compose = evil_utf16_to_utf8(buf);
free_compose = 1;
}
/*** key field ***/
@ -1214,7 +1225,7 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
_ecore_win32_modifiers_ctrl_save(kbd_state, &modifiers_save);
if (!SetKeyboardState(kbd_state))
return NULL;
goto _free_compose;
}
is_dead_key = EINA_FALSE;
@ -1246,7 +1257,7 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
if (res == -1)
is_dead_key = EINA_TRUE;
if ((res != 1) && (res != -1))
return NULL;
goto _free_compose;
}
if (is_dead_key)
@ -1264,13 +1275,13 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
_ecore_win32_modifiers_ctrl_restore(kbd_state, modifiers_save);
if (!SetKeyboardState(kbd_state))
return NULL;
goto _free_compose;
}
if (!key)
{
WRN("no keysym found for keycode %d\n", string[0]);
return NULL;
goto _free_compose;
}
/*** keyname field ***/
@ -1284,7 +1295,7 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
_ecore_win32_modifiers_win_save(kbd_state, &modifiers_save);
if (!SetKeyboardState(kbd_state))
return NULL;
goto _free_compose;
is_dead_key = EINA_FALSE;
res = ToUnicode(msg->window_param,
@ -1317,7 +1328,7 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
if (res == -1)
is_dead_key = EINA_TRUE;
if ((res != 1) && (res != -1))
return NULL;
goto _free_compose;
}
if (is_dead_key)
@ -1336,25 +1347,25 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
_ecore_win32_modifiers_win_restore(kbd_state, modifiers_save);
if (!SetKeyboardState(kbd_state))
return NULL;
goto _free_compose;
if (!keyname)
{
WRN("no keysym found for keycode %d\n", string[0]);
return NULL;
goto _free_compose;
}
}
}
if (!keyname || !key)
return NULL;
goto _free_compose;
e = (Ecore_Event_Key *)calloc(1, sizeof(Ecore_Event_Key) +
strlen(keyname) + 1 +
strlen(key) + 1 +
(compose ? strlen(compose) : 0) + 1);
if (!e)
return NULL;
goto _free_compose;
e->keyname = (char *)(e + 1);
e->key = e->keyname + strlen(keyname) + 1;
@ -1368,11 +1379,17 @@ _ecore_win32_event_keystroke_get(Ecore_Win32_Callback_Data *msg,
if (compose)
{
memcpy((char *)e->compose, compose, strlen(compose));
free(compose);
if (free_compose)
free(compose);
}
return e;
_free_compose:
if (free_compose)
free(compose);
return NULL;
}
/***** Global functions definitions *****/