+EMUFS_REG_ID *emufs_idx_get(EMUFS *emu, EMUFS_REG_ID *cant)
+{
+ FILE *f_idx;
+ int count;
+ char name_f_idx[255];
+ EMUFS_REG_ID *tmp;
+ EMUFS_IDX reg;
+
+ strcpy(name_f_idx,emu->nombre);
+ strcat(name_f_idx, EMUFS_IDX_EXT);
+
+ if ( (f_idx = fopen(name_f_idx, "rb"))==NULL){
+ PERR("No se pudo abrir el archvo");
+ (*cant) = EMUFS_NOT_FOUND;
+ return NULL;
+ }
+
+ tmp = NULL;
+ count = 0;
+ while (!feof(f_idx)) {
+ if (fread(®, sizeof(EMUFS_IDX), 1, f_idx) != 1) continue;
+ count++;
+ /* TODO : Verificar errores :-D */
+ tmp = realloc(tmp, count);
+ tmp[count-1] = reg.id_reg;
+ }
+ fclose(f_idx);
+
+ (*cant) = count;
+ return tmp;
+}
+
+int emufs_idx_existe_id(EMUFS *emu, int ID)
+{
+ FILE *f_idx;
+ char name_f_idx[255];
+ EMUFS_IDX reg;
+
+ strcpy(name_f_idx,emu->nombre);
+ strcat(name_f_idx, EMUFS_IDX_EXT);
+
+ if ( (f_idx = fopen(name_f_idx, "rb")) == NULL){
+ PERR("No se pudo abrir el archivo");
+ return -1;
+ }
+
+ if (fseek(f_idx, sizeof(EMUFS_IDX)*ID, SEEK_SET) == 0) {
+ fread(®, sizeof(EMUFS_IDX), 1, f_idx);
+ if (reg.location != EMUFS_NOT_FOUND) {
+ fclose(f_idx);
+ return 0;
+ }
+ }
+
+ fclose(f_idx);
+ return -1;
+}