diff options
Diffstat (limited to 'device.c')
| -rw-r--r-- | device.c | 26 |
1 files changed, 24 insertions, 2 deletions
@@ -31,6 +31,29 @@ struct device_info *get_device_info(const char *model, uint32_t deviceid) return NULL; } +/* + * Sort the device_info list, so that we write it out + * in a stable order. Otherwise we'll end up having the + * XML file have the devices listed in some arbitrary + * order, which is annoying. + */ +static void add_entry_sorted(struct device_info *entry) +{ + struct device_info *p, **pp = &device_info_list; + + while ((p = *pp) != NULL) { + int cmp = strcmp(p->model, entry->model); + if (cmp > 0) + break; + if (!cmp && p->deviceid > entry->deviceid) + break; + pp = &p->next; + } + + entry->next = p; + *pp = entry; +} + /* Get an existing device info model or create a new one if valid */ struct device_info *create_device_info(const char *model, uint32_t deviceid) { @@ -45,8 +68,7 @@ struct device_info *create_device_info(const char *model, uint32_t deviceid) if (entry) { entry->model = strdup(model); entry->deviceid = deviceid; - entry->next = device_info_list; - device_info_list = entry; + add_entry_sorted(entry); } return entry; } |