void rom_history_clear(rom_history_t *hist)
{
size_t i;
if (!hist)
return;
for (i = 0; i < hist->cap; i++)
rom_history_free_entry(&hist->entries[i]);
hist->size = 0;
}
void rom_history_free(rom_history_t *hist)
{
size_t i;
if (!hist)
return;
if (hist->conf_path)
rom_history_write_file(hist);
free(hist->conf_path);
for (i = 0; i < hist->cap; i++)
rom_history_free_entry(&hist->entries[i]);
free(hist->entries);
free(hist);
}
void rom_history_push(void *data,
const char *path, const char *core_path,
const char *core_name)
{
size_t i;
rom_history_t *hist = (rom_history_t*)data;
if (!hist)
return;
for (i = 0; i < hist->size; i++)
{
bool equal_path = (!path && !hist->entries[i].path) ||
(path && hist->entries[i].path && !strcmp(path, hist->entries[i].path));
// Core name can have changed while still being the same core.
// Differentiate based on the core path only.
if (equal_path && !strcmp(hist->entries[i].core_path, core_path))
{
if (i == 0)
return;
// Seen it before, bump to top.
struct rom_history_entry tmp = hist->entries[i];
memmove(hist->entries + 1, hist->entries,
i * sizeof(struct rom_history_entry));
hist->entries[0] = tmp;
return;
}
}
if (hist->size == hist->cap)
{
rom_history_free_entry(&hist->entries[hist->cap - 1]);
hist->size--;
}
memmove(hist->entries + 1, hist->entries,
(hist->cap - 1) * sizeof(struct rom_history_entry));
hist->entries[0].path = path ? strdup(path) : NULL;
hist->entries[0].core_path = strdup(core_path);
hist->entries[0].core_name = strdup(core_name);
hist->size++;
}