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backend/libinput: use NULL to indicate missing device name

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libinput guarantees that the name is non-NULL, and an empty string
if unset. However wlroots uses NULL to indicate that an input device
name is unset.
This commit is contained in:
Simon Ser 2024-02-29 12:08:02 +01:00
parent 488a23c169
commit ee70932422
8 changed files with 17 additions and 6 deletions
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10
backend/libinput/backend.c
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@ -233,3 +233,13 @@ struct libinput_device *wlr_libinput_get_device_handle(
uint32_t usec_to_msec(uint64_t usec) {
return (uint32_t)(usec / 1000);
}
const char *get_libinput_device_name(struct libinput_device *device) {
// libinput guarantees that the name is non-NULL, and an empty string if
// unset. However wlroots uses NULL to indicate that the name is unset.
const char *name = libinput_device_get_name(device);
if (name[0] == '\0') {
return NULL;
}
return name;
}