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Corrected Linux joystick things, fixes assertion failure from testjoystick.

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This commit is contained in:
Ryan C. Gordon
2012-12-13 22:26:30 -05:00
parent d1e25656a3
commit 1cc2b97f56
2 changed files with 9 additions and 5 deletions
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9
src/joystick/linux/SDL_sysjoystick.c
View File

@@ -319,7 +319,7 @@ MaybeRemoveDevice(const char *path)
if (SDL_strcmp(path, item->path) == 0) {
const int retval = item->device_instance;
if (item->hwdata) {
item->hwdata->removed = SDL_TRUE;
item->hwdata->item = NULL;
}
if (prev != NULL) {
prev->next = item->next;
@@ -731,7 +731,7 @@ SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
return (-1);
}
SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
joystick->hwdata->removed = SDL_FALSE;
joystick->hwdata->item = item;
joystick->hwdata->guid = item->guid;
joystick->hwdata->fd = fd;
joystick->hwdata->fname = SDL_strdup(item->path);
@@ -758,7 +758,7 @@ SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
/* Function to determine is this joystick is attached to the system right now */
SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
{
return !joystick->closed && !joystick->hwdata->removed;
return !joystick->closed && (joystick->hwdata->item != NULL);
}
static __inline__ void
@@ -913,6 +913,9 @@ SDL_SYS_JoystickClose(SDL_Joystick * joystick)
{
if (joystick->hwdata) {
close(joystick->hwdata->fd);
if (joystick->hwdata->item) {
joystick->hwdata->item->hwdata = NULL;
}
SDL_free(joystick->hwdata->hats);
SDL_free(joystick->hwdata->balls);
SDL_free(joystick->hwdata->fname);

5
src/joystick/linux/SDL_sysjoystick_c.h
View File

@@ -21,12 +21,13 @@
#include <linux/input.h>
struct SDL_joylist_item;
/* The private structure used to keep track of a joystick */
struct joystick_hwdata
{
int fd;
SDL_bool removed;
struct SDL_joylist_item *item;
SDL_JoystickGUID guid;
char *fname; /* Used in haptic subsystem */