1#include <string.h>
 2#include <stdlib.h>
 3#include "saves.h"
 4#include "util.h"
 5
 6//0123456789012345678901234678
 7//Slot N - December 31st, XXXX
 8#define MAX_DESC_SIZE 40
 9
10char *get_slot_name(system_header *system, uint32_t slot_index, char *ext)
11{
12	if (!system->save_dir) {
13		return NULL;
14	}
15	char *fname;
16	if (slot_index < 10) {
17		size_t name_len = strlen("slot_N.") + strlen(ext) + 1;
18		fname = malloc(name_len);
19		snprintf(fname, name_len, "slot_%d.%s", slot_index, ext);
20	} else {
21		size_t name_len = strlen("quicksave.") + strlen(ext) + 1;
22		fname = malloc(name_len);
23		snprintf(fname, name_len, "quicksave.%s", ext);
24	}
25	char const *parts[] = {system->save_dir, PATH_SEP, fname};
26	char *ret = alloc_concat_m(3, parts);
27	free(fname);
28	return ret;
29}
30
31save_slot_info *get_slot_info(system_header *system, uint32_t *num_out)
32{
33	save_slot_info *dst = calloc(11, sizeof(save_slot_info));
34	time_t modtime;
35	struct tm ltime;
36	for (uint32_t i = 0; i <= QUICK_SAVE_SLOT; i++)
37	{
38		char * cur = dst[i].desc = malloc(MAX_DESC_SIZE);
39		char * fname = get_slot_name(system, i, "state");
40		modtime = get_modification_time(fname);
41		free(fname);
42		if (!modtime && system->type == SYSTEM_GENESIS) {
43			fname = get_slot_name(system, i, "gst");
44			modtime = get_modification_time(fname);
45			free(fname);
46		}
47		if (i == QUICK_SAVE_SLOT) {
48			cur += snprintf(cur, MAX_DESC_SIZE, "Quick - ");
49		} else {
50			cur += snprintf(cur, MAX_DESC_SIZE, "Slot %d - ", i);
51		}
52		if (modtime) {
53			strftime(cur, MAX_DESC_SIZE - (cur - dst->desc), "%c", localtime_r(&modtime, &ltime));
54		} else {
55			strcpy(cur, "EMPTY");
56		}
57		dst[i].modification_time = modtime;
58	}
59	*num_out = QUICK_SAVE_SLOT + 1;
60	return dst;
61}
62
63void free_slot_info(save_slot_info *slots)
64{
65	if (!slots) {
66		return;
67	}
68	for (uint32_t i = 0; i <= QUICK_SAVE_SLOT; i++)
69	{
70		free(slots[i].desc);
71	}
72	free(slots);
73}