DrathOrg/libratbag-plus
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Don't allow for more than INT_MAX refs on each struct

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"2^31 are enough for anyone"

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2015-09-07 10:34:15 +10:00
parent 9c53dcc717
commit cb50b53467
1 changed files with 9 additions and 0 deletions
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9
src/libratbag.c
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@@ -33,6 +33,7 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <limits.h>
#include "libratbag-private.h"
#include "libratbag-util.h"
@@ -531,6 +532,8 @@ out_err:
LIBRATBAG_EXPORT struct ratbag_device *
ratbag_device_ref(struct ratbag_device *device)
{
assert(device->refcount < INT_MAX);
device->refcount++;
return device;
}
@@ -714,6 +717,8 @@ ratbag_device_init_profiles(struct ratbag_device *device,
LIBRATBAG_EXPORT struct ratbag_profile *
ratbag_profile_ref(struct ratbag_profile *profile)
{
assert(profile->refcount < INT_MAX);
ratbag_device_ref(profile->device);
profile->refcount++;
return profile;
@@ -899,6 +904,8 @@ ratbag_profile_get_resolution(struct ratbag_profile *profile, unsigned int idx)
LIBRATBAG_EXPORT struct ratbag_resolution *
ratbag_resolution_ref(struct ratbag_resolution *resolution)
{
assert(resolution->refcount < INT_MAX);
ratbag_profile_ref(resolution->profile);
resolution->refcount++;
return resolution;
@@ -1187,6 +1194,8 @@ ratbag_button_disable(struct ratbag_button *button)
LIBRATBAG_EXPORT struct ratbag_button *
ratbag_button_ref(struct ratbag_button *button)
{
assert(button->refcount < INT_MAX);
ratbag_profile_ref(button->profile);
button->refcount++;
return button;