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sdl: Fix memory leakage

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Valgrind was so kind to remark that no one bothers to release keycodes
after use and that something is fishy about cleaning up the requested
keyboard descriptor. With this patch applied, we no longer leak about
12k during startup.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-06-27 09:59:40 +02:00 committed by Anthony Liguori
parent 059b8b1eb6
commit 229609dd45
1 changed files with 21 additions and 18 deletions
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33
sdl.c
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@ -268,32 +268,35 @@ static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
static int check_for_evdev(void)
{
SDL_SysWMinfo info;
XkbDescPtr desc;
XkbDescPtr desc = NULL;
int has_evdev = 0;
const char *keycodes;
char *keycodes = NULL;
SDL_VERSION(&info.version);
if (!SDL_GetWMInfo(&info))
if (!SDL_GetWMInfo(&info)) {
return 0;
}
desc = XkbGetKeyboard(info.info.x11.display,
XkbGBN_AllComponentsMask,
XkbUseCoreKbd);
if (desc == NULL || desc->names == NULL)
return 0;
if (desc && desc->names) {
keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
if (keycodes == NULL)
if (keycodes == NULL) {
fprintf(stderr, "could not lookup keycode name\n");
else if (strstart(keycodes, "evdev", NULL))
} else if (strstart(keycodes, "evdev", NULL)) {
has_evdev = 1;
else if (!strstart(keycodes, "xfree86", NULL))
fprintf(stderr,
"unknown keycodes `%s', please report to qemu-devel@nongnu.org\n",
keycodes);
XkbFreeClientMap(desc, XkbGBN_AllComponentsMask, True);
} else if (!strstart(keycodes, "xfree86", NULL)) {
fprintf(stderr, "unknown keycodes `%s', please report to "
"qemu-devel@nongnu.org\n", keycodes);
}
}
if (desc) {
XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
}
if (keycodes) {
XFree(keycodes);
}
return has_evdev;
}
#else