Mercurial > repos > blastem
view saves.c @ 2321:2eda5f81f91e
More fully baked ROM db support for SMS
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 15 Jun 2023 09:36:11 -0700 |
parents | a568dca999b2 |
children |
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#include <string.h> #include <stdlib.h> #include "saves.h" #include "util.h" #ifdef _WIN32 #define localtime_r(a,b) localtime(a) #include <windows.h> #endif //0123456789012345678901234678 //Slot N - December 31st, XXXX #define MAX_DESC_SIZE 40 char *get_slot_name(system_header *system, uint32_t slot_index, char *ext) { if (!system->save_dir) { return NULL; } char *fname; if (slot_index < 10) { size_t name_len = strlen("slot_N.") + strlen(ext) + 1; fname = malloc(name_len); snprintf(fname, name_len, "slot_%d.%s", slot_index, ext); } else { size_t name_len = strlen("quicksave.") + strlen(ext) + 1; fname = malloc(name_len); snprintf(fname, name_len, "quicksave.%s", ext); } char const *parts[] = {system->save_dir, PATH_SEP, fname}; char *ret = alloc_concat_m(3, parts); free(fname); return ret; } save_slot_info *get_slot_info(system_header *system, uint32_t *num_out) { save_slot_info *dst = calloc(11, sizeof(save_slot_info)); time_t modtime; struct tm ltime; for (uint32_t i = 0; i <= QUICK_SAVE_SLOT; i++) { char * cur = dst[i].desc = malloc(MAX_DESC_SIZE); char * fname = get_slot_name(system, i, "state"); modtime = get_modification_time(fname); free(fname); if (!modtime && system->type == SYSTEM_GENESIS) { fname = get_slot_name(system, i, "gst"); modtime = get_modification_time(fname); free(fname); } if (i == QUICK_SAVE_SLOT) { cur += snprintf(cur, MAX_DESC_SIZE, "Quick - "); } else { cur += snprintf(cur, MAX_DESC_SIZE, "Slot %d - ", i); } if (modtime) { strftime(cur, MAX_DESC_SIZE - (cur - dst->desc), "%c", localtime_r(&modtime, <ime)); } else { strcpy(cur, "EMPTY"); } dst[i].modification_time = modtime; } *num_out = QUICK_SAVE_SLOT + 1; return dst; } void free_slot_info(save_slot_info *slots) { if (!slots) { return; } for (uint32_t i = 0; i <= QUICK_SAVE_SLOT; i++) { free(slots[i].desc); } free(slots); }