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ec38d3708d
The legacy nickname wrappers (that use the device_info structure) are left in gtk-gui.c. We can slowly start moving away from them, we don't want to start exporting that thing as some kind of generic interface. This isn't a pure code movement - because we leave the legacy interfaces alone, there are a few new interfaces in device.c (like "create a new device_info entry") that were embedded into the legacy "create nickname" code, and needed to be abstracted out. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
#include <string.h>
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#include "dive.h"
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#include "device.h"
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static struct device_info *device_info_list;
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static int match_device_info(struct device_info *entry, const char *model, uint32_t deviceid)
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{
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return !strcmp(entry->model, model) && entry->deviceid == deviceid;
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}
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/* just find the entry for this divecomputer */
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struct device_info *get_device_info(const char *model, uint32_t deviceid)
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{
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struct device_info *known = device_info_list;
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/* a 0 deviceid doesn't get a nickname - those come from development
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* versions of Subsurface that didn't store the deviceid in the divecomputer entries */
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if (!deviceid || !model)
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return NULL;
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while (known) {
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if (match_device_info(known, model, deviceid))
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return known;
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known = known->next;
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}
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return NULL;
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}
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/* Get an existing device info model or create a new one if valid */
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struct device_info *create_device_info(const char *model, uint32_t deviceid)
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{
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struct device_info *entry;
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if (!deviceid || !model || !*model)
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return NULL;
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entry = get_device_info(model, deviceid);
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if (entry)
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return entry;
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entry = calloc(1, sizeof(*entry));
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if (entry) {
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entry->model = strdup(model);
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entry->deviceid = deviceid;
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entry->next = device_info_list;
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device_info_list = entry;
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}
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return entry;
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}
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void clear_device_saved_status(void)
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{
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struct device_info *nn_entry = device_info_list;
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while (nn_entry) {
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nn_entry->saved = FALSE;
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nn_entry = nn_entry->next;
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}
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}
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/* do we have a DIFFERENT divecomputer of the same model? */
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struct device_info *get_different_device_info(const char *model, uint32_t deviceid)
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{
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struct device_info *known = device_info_list;
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/* a 0 deviceid matches any DC of the same model - those come from development
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* versions of Subsurface that didn't store the deviceid in the divecomputer entries */
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if (!deviceid)
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return NULL;
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if (!model)
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model = "";
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while (known) {
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if (known->model && !strcmp(known->model, model) &&
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known->deviceid != deviceid)
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return known;
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known = known->next;
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}
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return NULL;
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}
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struct device_info *remove_device_info(const char *model, uint32_t deviceid)
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{
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struct device_info *entry, **p;
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if (!deviceid || !model || !*model)
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return NULL;
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p = &device_info_list;
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while ((entry = *p) != NULL) {
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if (match_device_info(entry, model, deviceid)) {
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*p = entry->next;
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break;
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}
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p = &entry->next;
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}
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return entry;
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}
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