mrb_value
mrb_mraa_i2c_read(mrb_state *mrb, mrb_value self){
mraa_i2c_context i2c;
mrb_int length;
uint8_t *rbuf;
mrb_int num_of_read;
int ai, i;
mrb_value mrv_rbuf;
Data_Get_Struct(mrb, self, &mrb_mraa_i2c_ctx_type, i2c);
mrb_get_args(mrb, "i", &length);
rbuf = (uint8_t*)mrb_malloc(mrb, sizeof(uint8_t) * length);
memset(rbuf, 0, sizeof(uint8_t) * length);
num_of_read = mraa_i2c_read(i2c, rbuf, length);
mrv_rbuf = mrb_ary_new_capa(mrb, num_of_read);
ai = mrb_gc_arena_save(mrb);
for (i = 0; i < num_of_read; i++){
mrb_ary_push(mrb, mrv_rbuf, mrb_fixnum_value(rbuf[i]));
mrb_gc_arena_restore(mrb, ai);
}
mrb_free(mrb, rbuf);
return mrb_assoc_new(mrb, mrv_rbuf, mrb_fixnum_value(num_of_read));
}
static void
ary_modify(mrb_state *mrb, struct RArray *a)
{
if (a->flags & MRB_ARY_SHARED) {
mrb_shared_array *shared = a->aux.shared;
if (shared->refcnt == 1 && a->ptr == shared->ptr) {
a->ptr = shared->ptr;
a->aux.capa = a->len;
mrb_free(mrb, shared);
}
else {
mrb_value *ptr, *p;
mrb_int len;
p = a->ptr;
len = a->len * sizeof(mrb_value);
ptr = (mrb_value *)mrb_malloc(mrb, len);
if (p) {
array_copy(ptr, p, a->len);
}
a->ptr = ptr;
a->aux.capa = a->len;
mrb_ary_decref(mrb, shared);
}
a->flags &= ~MRB_ARY_SHARED;
}
}
/* Initializes a time by setting the amount of milliseconds since the epoch.*/
static mrb_value
mrb_time_initialize(mrb_state *mrb, mrb_value self)
{
mrb_int ayear = 0, amonth = 1, aday = 1, ahour = 0,
amin = 0, asec = 0, ausec = 0;
int n;
struct mrb_time *tm;
tm = (struct mrb_time*)DATA_PTR(self);
if (tm) {
mrb_free(mrb, tm);
}
DATA_TYPE(self) = &mrb_time_type;
DATA_PTR(self) = NULL;
n = mrb_get_args(mrb, "|iiiiiii",
&ayear, &amonth, &aday, &ahour, &amin, &asec, &ausec);
if (n == 0) {
tm = current_mrb_time(mrb);
}
else {
tm = time_mktime(mrb, ayear, amonth, aday, ahour, amin, asec, ausec, MRB_TIMEZONE_LOCAL);
}
DATA_PTR(self) = tm;
return self;
}
mrb_value
mrb_mraa_i2c_write(mrb_state *mrb, mrb_value self){
mraa_i2c_context i2c;
mrb_value mrv_wbuf;
mrb_int length;
mraa_result_t result;
uint8_t *wbuf;
mrb_int argc;
Data_Get_Struct(mrb, self, &mrb_mraa_i2c_ctx_type, i2c);
argc = mrb_get_args(mrb, "o|i", &mrv_wbuf, &length);
result = MRAA_ERROR_INVALID_PARAMETER;
if (mrb_array_p(mrv_wbuf)){
int i;
if (argc == 1){
length = RARRAY_LEN(mrv_wbuf);
}
wbuf = (uint8_t *)mrb_malloc(mrb, sizeof(uint8_t) * length);
memset(wbuf, 0, sizeof(uint8_t) * length);
for (i = 0; i < length; i++){
wbuf[i] = mrb_fixnum(mrb_ary_ref(mrb, mrv_wbuf, i));
}
result = mraa_i2c_write(i2c, wbuf, length);
mrb_free(mrb, wbuf);
}
return mrb_fixnum_value(result);
}
static mrb_value
mrb_str_reverse_bang(mrb_state *mrb, mrb_value str)
{
int utf8_len = mrb_utf8_strlen(str);
if (utf8_len > 1) {
int len = RSTRING_LEN(str);
char *buf = (char *)mrb_malloc(mrb, len);
unsigned char* p = (unsigned char*)buf;
unsigned char* e = (unsigned char*)buf + len;
unsigned char* r = (unsigned char*)RSTRING_END(str);
memcpy(buf, RSTRING_PTR(str), len);
mrb_str_modify(mrb, mrb_str_ptr(str));
while (p<e) {
int clen = utf8len(p);
r -= clen;
memcpy(r, p, clen);
p += clen;
}
mrb_free(mrb, buf);
}
return str;
}
static void
mrb_cp_mat2x2_free(mrb_state* mrb, void* ptr)
{
if (ptr) {
mrb_free(mrb, ptr);
}
}
static mrb_value
mrb_random_init(mrb_state *mrb, mrb_value self)
{
mrb_value seed;
mt_state *t;
DATA_TYPE(self) = &mt_state_type;
DATA_PTR(self) = NULL;
/* avoid memory leaks */
t = (mt_state*)DATA_PTR(self);
if (t) {
mrb_free(mrb, t);
}
t = (mt_state *)mrb_malloc(mrb, sizeof(mt_state));
t->mti = N + 1;
seed = get_opt(mrb);
seed = mrb_random_mt_srand(mrb, t, seed);
if (mrb_nil_p(seed)) {
t->has_seed = FALSE;
}
else {
mrb_assert(mrb_fixnum_p(seed));
t->has_seed = TRUE;
t->seed = mrb_fixnum(seed);
}
DATA_PTR(self) = t;
return self;
}
int
mrb_dump_irep_cfunc(mrb_state *mrb, size_t start_index, int debug_info, FILE *fp, const char *initname)
{
uint8_t *bin = NULL;
size_t bin_size = 0, bin_idx = 0;
int result;
if (fp == NULL || initname == NULL || !is_valid_c_symbol_name(initname)) {
return MRB_DUMP_INVALID_ARGUMENT;
}
result = mrb_dump_irep(mrb, start_index, debug_info, &bin, &bin_size);
if (result == MRB_DUMP_OK) {
fprintf(fp, "#include <stdint.h>\n"); // for uint8_t under at least Darwin
fprintf(fp, "const uint8_t %s[] = {", initname);
while (bin_idx < bin_size) {
if (bin_idx % 16 == 0 ) fputs("\n", fp);
fprintf(fp, "0x%02x,", bin[bin_idx++]);
}
fputs("\n};\n", fp);
}
mrb_free(mrb, bin);
return result;
}
void
mrb_free_backtrace(mrb_state *mrb)
{
mrb->backtrace.exc = 0;
mrb->backtrace.n = 0;
mrb->backtrace.n_allocated = 0;
mrb_free(mrb, mrb->backtrace.entries);
}
static void
lib_hmac_free(mrb_state *mrb, void *ptr)
{
struct mrb_hmac *hmac = ptr;
memset(&hmac->ctx, 0, sizeof(hmac->ctx));
mrb_free(mrb, hmac);
}
/* :nodoc: */
static void rb_lmc_cache_destructor(mrb_state *mrb, void *p)
{
rb_lmc_handle_t *h;
lmc_error_t e;
h = (rb_lmc_handle_t *)p;
if (!h || (h->open == 0) || !h->lmc)
return;
if (!local_memcache_free(h->lmc, &e)) {
mrb_free(mrb, p);
rb_lmc_raise_exception(mrb, &e);
return;
}
mrb_free(mrb, p);
}
static void mrb_shared_sample_buffer_unref(mrb_state *mrb, mrb_shared_sample_buffer *b)
{
if (!b) return;
b->refcnt -= 1;
if (b->refcnt <= 0) {
mrb_free(mrb, b);
}
}
static void
mrb_uv_dlfree(mrb_state *mrb, void *p)
{
if (p) {
uv_dlclose((uv_lib_t*)p);
mrb_free(mrb, p);
}
}
/*********************************************************
* UV::Mutex
*********************************************************/
void
mrb_uv_mutex_free(mrb_state *mrb, void *p)
{
if (p) {
uv_mutex_destroy((uv_mutex_t*)p);
mrb_free(mrb, p);
}
}
static void
mrb_uv_cond_free(mrb_state *mrb, void* p)
{
if (p) {
uv_cond_destroy((uv_cond_t*)p);
mrb_free(mrb, p);
}
}
static void
mrb_uv_key_free(mrb_state *mrb, void* p)
{
if (p) {
uv_key_delete((uv_key_t*)p);
mrb_free(mrb, p);
}
}
void
mrb_uv_sem_free(mrb_state *mrb, void *p)
{
if(!p) { return; }
uv_sem_destroy((uv_sem_t*)p);
mrb_free(mrb, p);
}
static void
free_breakpoint( mrb_state *mrb, mrb_debug_breakpoint *bp )
{
switch(bp->type) {
case MRB_DEBUG_BPTYPE_LINE:
mrb_free(mrb, (void*)bp->point.linepoint.file);
break;
case MRB_DEBUG_BPTYPE_METHOD:
mrb_free(mrb, (void*)bp->point.methodpoint.method_name);
if(bp->point.methodpoint.class_name != NULL) {
mrb_free(mrb, (void*)bp->point.methodpoint.class_name);
}
break;
default:
break;
}
}
/*********************************************************
* UV::Barrier
*********************************************************/
static void
mrb_uv_barrier_free(mrb_state *mrb, void *p)
{
if(p) {
uv_barrier_destroy((uv_barrier_t*)p);
mrb_free(mrb, p);
}
}
static mrb_value
mrb_uv_barrier_destroy(mrb_state *mrb, mrb_value self)
{
uv_barrier_destroy((uv_barrier_t*)mrb_uv_get_ptr(mrb, self, &barrier_type));
mrb_free(mrb, DATA_PTR(self));
DATA_PTR(self) = NULL;
return self;
}
static void
destroy_hook(mrb_state *mrb, void* ptr)
{
DataClass *obj = reinterpret_cast<DataClass*>(ptr);
obj->destroy(mrb);
obj->~DataClass();
mrb_free(mrb, obj);
}
static void mrb_sample_buffer_destroy(mrb_state *mrb, void *x)
{
mrb_sample_buffer *b = x;
if (b) {
mrb_shared_sample_buffer_unref(mrb, b->shared);
mrb_free(mrb, b);
}
}
void
mrb_uv_dlclose(mrb_state *mrb, mrb_value dl)
{
uv_lib_t *lib = (uv_lib_t*)mrb_uv_get_ptr(mrb, dl, &dl_type);
uv_dlclose(lib);
mrb_free(mrb, DATA_PTR(dl));
DATA_PTR(dl) = NULL;
}
void
mrb_gc_destroy(mrb_state *mrb, mrb_gc *gc)
{
free_heap(mrb, gc);
#ifndef MRB_GC_FIXED_ARENA
mrb_free(mrb, gc->arena);
#endif
}
static void
mrb_uv_rwlock_free(mrb_state *mrb, void *p)
{
if (p) {
uv_rwlock_destroy((uv_rwlock_t*)p);
mrb_free(mrb, p);
}
}
int
mrb_read_irep_file(mrb_state *mrb, FILE* fp)
{
int ret, i;
uint32_t len, rlen = 0;
unsigned char hex8[8], hcrc[4];
unsigned char *dst, *rite_dst = NULL;
rite_binary_header bin_header;
RiteFILE ritefp = { 0 };
RiteFILE *rfp;
if ((mrb == NULL) || (fp == NULL)) {
return MRB_DUMP_INVALID_ARGUMENT;
}
ritefp.fp = fp;
rfp = &ritefp;
//Read File Header Section
ret = load_rite_header(fp, &bin_header, hcrc);
if (ret != MRB_DUMP_OK)
return ret;
len = sizeof(rite_binary_header) + bin_to_uint32(bin_header.rbds);
rite_dst = (unsigned char *)mrb_malloc(mrb, len);
if (rite_dst == NULL)
return MRB_DUMP_GENERAL_FAILURE;
dst = rite_dst;
memset(dst, 0x00, len);
*(rite_binary_header *)dst = bin_header;
dst += sizeof(rite_binary_header);
dst += hex_to_bin16(dst, hcrc);
//Read Binary Data Section
len = bin_to_uint16(bin_header.nirep);
for (i=0; i<len; i++) {
rite_fgets(rfp, hex8, sizeof(hex8), TRUE); //record len
dst += hex_to_bin32(dst, hex8);
ret = load_rite_irep_record(mrb, rfp, dst, &rlen);
if (ret != MRB_DUMP_OK) //irep info
goto error_exit;
dst += rlen;
}
rite_fgets(rfp, hex8, sizeof(hex8), TRUE); //dummy record len
hex_to_bin32(dst, hex8); /* dst += hex_to_bin32(dst, hex8); */
if (0 != hex_to_uint32(hex8)) {
ret = MRB_DUMP_INVALID_IREP;
goto error_exit;
}
if (ret == MRB_DUMP_OK)
ret = mrb_read_irep(mrb, (char*)rite_dst);
error_exit:
mrb_free(mrb, rite_dst);
return ret;
}
static mrb_value
mrb_sdl2_mixer_chunk_initialize(mrb_state *mrb, mrb_value self)
{
Mix_Chunk *chunk = NULL;
mrb_sdl2_mixer_chunk_data_t *data =
(mrb_sdl2_mixer_chunk_data_t*)DATA_PTR(self);
if (NULL == data) {
data = (mrb_sdl2_mixer_chunk_data_t*)mrb_malloc(mrb, sizeof(mrb_sdl2_mixer_chunk_data_t));
if (NULL == data) {
mrb_raise(mrb, E_RUNTIME_ERROR, "insufficient memory.");
}
data->chunk = NULL;
}
SDL_RWops *rwops;
bool str = false;
if (1 == mrb->c->ci->argc) {
mrb_value v;
mrb_get_args(mrb, "o", &v);
if (mrb_type(v) == MRB_TT_STRING) {
rwops = SDL_RWFromFile(RSTRING_PTR(v), "r");
str = true;
}
else if (mrb_type(v) == MRB_TT_OBJECT)
rwops = mrb_sdl2_rwops_get_ptr(mrb, v);
chunk = Mix_LoadWAV_RW(rwops, 0);
} else {
mrb_free(mrb, data);
mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments.");
}
if (NULL == chunk) {
mrb_free(mrb, data);
if (str)
SDL_FreeRW(rwops);
mruby_sdl2_raise_error(mrb);
}
if (str)
SDL_FreeRW(rwops);
data->chunk = chunk;
DATA_PTR(self) = data;
DATA_TYPE(self) = &mrb_sdl2_mixer_chunk_data_type;
return self;
}
static void
mrb_io_free(mrb_state *mrb, void *ptr)
{
struct mrb_io *io = (struct mrb_io *)ptr;
if (io != NULL) {
fptr_finalize(mrb, io, TRUE);
mrb_free(mrb, io);
}
}
static void
mrb_buffer_free(mrb_state *mrb, void *ptr)
{
struct buffer *bp;
bp = (struct buffer *)ptr;
if (bfind(bp->b_bname, FALSE) == NULL) {
mrb_free(mrb, ptr);
}
}
void
mrb_debug_context_free(mrb_state *mrb)
{
if (_debug_context) {
mrb_debug_delete_break_all(mrb, _debug_context);
mrb_free(mrb, _debug_context);
_debug_context = NULL;
}
}