static duk_ret_t test_1(duk_context *ctx) { void *ptr; duk_size_t sz; int i; duk_set_top(ctx, 0); duk_push_fixed_buffer(ctx, 1024); duk_push_fixed_buffer(ctx, 0); duk_push_dynamic_buffer(ctx, 1024); duk_push_dynamic_buffer(ctx, 0); duk_eval_string(ctx, "(function () { return new Uint32Array(16).subarray(3, 6); })()"); for (i = 0; i < 5; i++) { sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer_data(ctx, i, &sz); printf("buffer: ptr-is-NULL=%d, sz=%ld\n", (sz == 0 ? -1 : (ptr == NULL ? 1 : 0)), (long) sz); /* NULL pointer */ sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer_data(ctx, i, NULL); printf("buffer\n"); } return 0; }
/** * fd, buffer, offset, length, position */ static int es_file_read(duk_context *ctx) { es_fd_t *efd = es_fd_get(ctx, 0); duk_size_t bufsize; char *buf = duk_require_buffer_data(ctx, 1, &bufsize); const int offset = duk_to_int(ctx, 2); const int len = duk_to_int(ctx, 3); if(offset + len > bufsize) duk_error(ctx, DUK_ERR_ERROR, "Buffer too small %zd < %d + %d", bufsize, offset + len); if(!duk_is_null(ctx, 4)) { // Seek fa_seek(efd->efd_fh, duk_require_number(ctx, 4), SEEK_SET); } int r = fa_read(efd->efd_fh, buf + offset, len); if(r < 0) duk_error(ctx, DUK_ERR_ERROR, "Read error from '%s'", efd->efd_path); duk_push_int(ctx, r); return 1; }
static duk_ret_t dukzip_zip_write(duk_context *ctx) { int res = ZIP_OK; zipFile archive = dukzip_zip_from_this(ctx); if (duk_is_string(ctx, 0)) { int outputl = 0; const char *output = duk_get_lstring(ctx, 0, &outputl); res = zipWriteInFileInZip(archive, output, outputl); } else if (duk_is_buffer(ctx, 0) || duk_is_object(ctx, 0)) { int outputl = 0; void *output = duk_require_buffer_data(ctx, 0, &outputl); res = zipWriteInFileInZip(archive, output, outputl); } else { duk_error(ctx, DUK_ERR_TYPE_ERROR, "unable to write argument to zip file (supported types: string, buffer)"); return -1; } if (res == ZIP_OK) { duk_push_true(ctx); } else { duk_push_false(ctx); } return 1; }
static int Deserializer_Read(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Deserializer* deserial = CastToDeserializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!deserial) { duk_push_boolean(ctx, 0); return 1; } char* data; String str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: duk_push_number(ctx, (double) deserial->ReadInt()); return 1; case IO_MAGIC_STRING: length = deserial->GetSize() - deserial->GetPosition(); str.Resize(length + 1); deserial->Read(&str[0], length); str[length] = '\0'; duk_push_string(ctx, str.CString()); return 1; case IO_MAGIC_ZEROSTRING: success = duk_push_string(ctx, deserial->ReadString().CString()); return 1; case IO_MAGIC_BINARY: length = deserial->GetSize() - deserial->GetPosition(); duk_push_fixed_buffer(ctx, length); duk_push_buffer_object(ctx, -1, 0, length, DUK_BUFOBJ_UINT8ARRAY); duk_replace(ctx, -2); data = (char*) duk_require_buffer_data(ctx, 0, &length); success = deserial->Read(data, length); return 1; default: break; } duk_push_undefined(ctx); return 1; }
static duk_ret_t test_4(duk_context *ctx) { void *ptr; duk_size_t sz; duk_set_top(ctx, 0); sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer_data(ctx, DUK_INVALID_INDEX, &sz); printf("buffer ok: %p\n", ptr); /* ok to print, should not be reached */ return 0; }
/* * Read a line from a file. Args: * - 0: FILE * - 1: nread (a number or a Buffer-ish object) */ static duk_ret_t io_fgets(duk_context* ctx) { FILE* f; size_t nread; char* r; char* buf; char* alloc_buf = NULL; f = duk_require_pointer(ctx, 0); if (duk_is_number(ctx, 1)) { nread = duk_require_int(ctx, 1); alloc_buf = malloc(nread); if (!alloc_buf) { SJS_THROW_ERRNO_ERROR2(ENOMEM); return -42; /* control never returns here */ } buf = alloc_buf; } else { buf = duk_require_buffer_data(ctx, 1, &nread); if (buf == NULL || nread == 0) { duk_error(ctx, DUK_ERR_TYPE_ERROR, "invalid buffer"); return -42; /* control never returns here */ } } r = fgets(buf, nread, f); if (r == NULL) { duk_push_string(ctx, ""); } else { if (alloc_buf) { /* return the string we read */ duk_push_string(ctx, r); } else { /* the data was written to the buffer, return how much we read */ duk_push_int(ctx, strlen(r)); } } free(alloc_buf); return 1; }
/* * Write data to a file. Args: * - 0: FILE * - 1: data */ static duk_ret_t io_fwrite(duk_context* ctx) { FILE* f; size_t len, r; const char* buf; f = duk_require_pointer(ctx, 0); if (duk_is_string(ctx, 1)) { buf = duk_require_lstring(ctx, 1, &len); } else { buf = duk_require_buffer_data(ctx, 1, &len); } r = fwrite(buf, 1, len, f); if (ferror(f) || feof(f)) { clearerr(f); SJS_THROW_ERRNO_ERROR2(EIO); return -42; /* control never returns here */ } else { duk_push_int(ctx, r); return 1; } }
/* * Read data from a file. Args: * - 0: FILE * - 1: nread (a number or a Buffer-ish object) */ static duk_ret_t io_fread(duk_context* ctx) { FILE* f; size_t nread, r; char* buf; int create_buf = 0; f = duk_require_pointer(ctx, 0); if (duk_is_number(ctx, 1)) { nread = duk_require_int(ctx, 1); buf = duk_push_dynamic_buffer(ctx, nread); create_buf = 1; } else { buf = duk_require_buffer_data(ctx, 1, &nread); if (buf == NULL || nread == 0) { duk_error(ctx, DUK_ERR_TYPE_ERROR, "invalid buffer"); return -42; /* control never returns here */ } } r = fread(buf, 1, nread, f); if (ferror(f)) { if (create_buf) { duk_pop(ctx); } clearerr(f); SJS_THROW_ERRNO_ERROR2(EIO); return -42; /* control never returns here */ } if (create_buf) { /* return the string we read */ duk_resize_buffer(ctx, -1, r); } else { /* the data was written to the buffer, return how much we read */ duk_push_int(ctx, r); } return 1; }
static duk_ret_t test_func(duk_context *ctx, void *udata) { (void) udata; if (ctx) { printf("dummy - return here\n"); fflush(stdout); return 0; } /* Up-to-date for Duktape 1.3.0, alphabetical order: * $ cd website/api; ls *.yaml */ (void) duk_alloc_raw(ctx, 0); (void) duk_alloc(ctx, 0); (void) duk_base64_decode(ctx, 0); (void) duk_base64_encode(ctx, 0); (void) duk_buffer_to_string(ctx, 0); (void) duk_call_method(ctx, 0); (void) duk_call_prop(ctx, 0, 0); (void) duk_call(ctx, 0); (void) duk_char_code_at(ctx, 0, 0); (void) duk_check_stack_top(ctx, 0); (void) duk_check_stack(ctx, 0); (void) duk_check_type_mask(ctx, 0, 0); (void) duk_check_type(ctx, 0, 0); (void) duk_compact(ctx, 0); (void) duk_compile_lstring_filename(ctx, 0, "dummy", 0); (void) duk_compile_lstring(ctx, 0, "dummy", 0); (void) duk_compile_string_filename(ctx, 0, "dummy"); (void) duk_compile_string(ctx, 0, "dummy"); (void) duk_compile(ctx, 0); (void) duk_concat(ctx, 0); (void) duk_config_buffer(ctx, 0, NULL, 0); (void) duk_copy(ctx, 0, 0); (void) duk_create_heap_default(); (void) duk_create_heap(NULL, NULL, NULL, NULL, NULL); (void) duk_debugger_attach(ctx, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL); (void) duk_debugger_cooperate(ctx); (void) duk_debugger_detach(ctx); (void) duk_debugger_notify(ctx, 0); (void) duk_debugger_pause(ctx); (void) duk_decode_string(ctx, 0, NULL, NULL); (void) duk_def_prop(ctx, 0, 0); (void) duk_del_prop_index(ctx, 0, 0); (void) duk_del_prop_string(ctx, 0, "dummy"); (void) duk_del_prop(ctx, 0); (void) duk_destroy_heap(ctx); (void) duk_dump_function(ctx); (void) duk_dup_top(ctx); (void) duk_dup(ctx, 0); (void) duk_enum(ctx, 0, 0); (void) duk_equals(ctx, 0, 0); duk_error_va(ctx, 0, NULL, NULL); duk_error(ctx, 0, "dummy"); /* (void) cast won't work without variadic macros */ (void) duk_eval_lstring_noresult(ctx, "dummy", 0); (void) duk_eval_lstring(ctx, "dummy", 0); (void) duk_eval_noresult(ctx); (void) duk_eval_string_noresult(ctx, "dummy"); (void) duk_eval_string(ctx, "dummy"); (void) duk_eval(ctx); (void) duk_fatal(ctx, "dummy"); (void) duk_free_raw(ctx, NULL); (void) duk_free(ctx, NULL); (void) duk_gc(ctx, 0); (void) duk_get_boolean(ctx, 0); (void) duk_get_buffer_data(ctx, 0, NULL); (void) duk_get_buffer(ctx, 0, NULL); (void) duk_get_c_function(ctx, 0); (void) duk_get_context(ctx, 0); (void) duk_get_current_magic(ctx); (void) duk_get_error_code(ctx, 0); (void) duk_get_finalizer(ctx, 0); (void) duk_get_global_string(ctx, 0); (void) duk_get_heapptr(ctx, 0); (void) duk_get_int(ctx, 0); (void) duk_get_length(ctx, 0); (void) duk_get_lstring(ctx, 0, NULL); (void) duk_get_magic(ctx, 0); (void) duk_get_memory_functions(ctx, NULL); (void) duk_get_number(ctx, 0); (void) duk_get_pointer(ctx, 0); (void) duk_get_prop_index(ctx, 0, 0); (void) duk_get_prop_string(ctx, 0, "dummy"); (void) duk_get_prop(ctx, 0); (void) duk_get_prototype(ctx, 0); (void) duk_get_string(ctx, 0); (void) duk_get_top_index(ctx); (void) duk_get_top(ctx); (void) duk_get_type_mask(ctx, 0); (void) duk_get_type(ctx, 0); (void) duk_get_uint(ctx, 0); (void) duk_has_prop_index(ctx, 0, 0); (void) duk_has_prop_string(ctx, 0, "dummy"); (void) duk_has_prop(ctx, 0); (void) duk_hex_decode(ctx, 0); (void) duk_hex_encode(ctx, 0); (void) duk_insert(ctx, 0); (void) duk_instanceof(ctx, 0, 0); (void) duk_is_array(ctx, 0); (void) duk_is_boolean(ctx, 0); (void) duk_is_bound_function(ctx, 0); (void) duk_is_buffer(ctx, 0); (void) duk_is_callable(ctx, 0); (void) duk_is_c_function(ctx, 0); (void) duk_is_constructor_call(ctx); (void) duk_is_dynamic_buffer(ctx, 0); (void) duk_is_ecmascript_function(ctx, 0); (void) duk_is_error(ctx, 0); (void) duk_is_eval_error(ctx, 0); (void) duk_is_fixed_buffer(ctx, 0); (void) duk_is_function(ctx, 0); (void) duk_is_lightfunc(ctx, 0); (void) duk_is_nan(ctx, 0); (void) duk_is_null_or_undefined(ctx, 0); (void) duk_is_null(ctx, 0); (void) duk_is_number(ctx, 0); (void) duk_is_object_coercible(ctx, 0); (void) duk_is_object(ctx, 0); (void) duk_is_pointer(ctx, 0); (void) duk_is_primitive(ctx, 0); (void) duk_is_range_error(ctx, 0); (void) duk_is_reference_error(ctx, 0); (void) duk_is_strict_call(ctx); (void) duk_is_string(ctx, 0); (void) duk_is_syntax_error(ctx, 0); (void) duk_is_thread(ctx, 0); (void) duk_is_type_error(ctx, 0); (void) duk_is_undefined(ctx, 0); (void) duk_is_uri_error(ctx, 0); (void) duk_is_valid_index(ctx, 0); (void) duk_join(ctx, 0); (void) duk_json_decode(ctx, 0); (void) duk_json_encode(ctx, 0); (void) duk_load_function(ctx); (void) duk_map_string(ctx, 0, NULL, NULL); (void) duk_new(ctx, 0); (void) duk_next(ctx, 0, 0); (void) duk_normalize_index(ctx, 0); (void) duk_pcall_method(ctx, 0); (void) duk_pcall_prop(ctx, 0, 0); (void) duk_pcall(ctx, 0); (void) duk_pcompile_lstring_filename(ctx, 0, "dummy", 0); (void) duk_pcompile_lstring(ctx, 0, "dummy", 0); (void) duk_pcompile_string_filename(ctx, 0, "dummy"); (void) duk_pcompile_string(ctx, 0, "dummy"); (void) duk_pcompile(ctx, 0); (void) duk_peval_lstring_noresult(ctx, "dummy", 0); (void) duk_peval_lstring(ctx, "dummy", 0); (void) duk_peval_noresult(ctx); (void) duk_peval_string_noresult(ctx, "dummy"); (void) duk_peval_string(ctx, "dummy"); (void) duk_peval(ctx); (void) duk_pnew(ctx, 0); (void) duk_pop_2(ctx); (void) duk_pop_3(ctx); (void) duk_pop_n(ctx, 0); (void) duk_pop(ctx); (void) duk_push_array(ctx); (void) duk_push_boolean(ctx, 0); (void) duk_push_buffer_object(ctx, 0, 0, 0, 0); (void) duk_push_buffer(ctx, 0, 0); (void) duk_push_c_function(ctx, NULL, 0); (void) duk_push_c_lightfunc(ctx, NULL, 0, 0, 0); (void) duk_push_context_dump(ctx); (void) duk_push_current_function(ctx); (void) duk_push_current_thread(ctx); (void) duk_push_dynamic_buffer(ctx, 0); (void) duk_push_error_object_va(ctx, 0, NULL, NULL); (void) duk_push_error_object(ctx, 0, "dummy"); (void) duk_push_external_buffer(ctx); (void) duk_push_false(ctx); (void) duk_push_fixed_buffer(ctx, 0); (void) duk_push_global_object(ctx); (void) duk_push_global_stash(ctx); (void) duk_push_heap_stash(ctx); (void) duk_push_heapptr(ctx, NULL); (void) duk_push_int(ctx, 0); (void) duk_push_lstring(ctx, "dummy", 0); (void) duk_push_nan(ctx); (void) duk_push_null(ctx); (void) duk_push_number(ctx, 0.0); (void) duk_push_object(ctx); (void) duk_push_pointer(ctx, NULL); (void) duk_push_sprintf(ctx, "dummy"); (void) duk_push_string(ctx, "dummy"); (void) duk_push_this(ctx); (void) duk_push_thread_new_globalenv(ctx); (void) duk_push_thread_stash(ctx, NULL); (void) duk_push_thread(ctx); (void) duk_push_true(ctx); (void) duk_push_uint(ctx, 0); (void) duk_push_undefined(ctx); (void) duk_push_vsprintf(ctx, "dummy", NULL); (void) duk_put_function_list(ctx, 0, NULL); (void) duk_put_global_string(ctx, NULL); (void) duk_put_number_list(ctx, 0, NULL); (void) duk_put_prop_index(ctx, 0, 0); (void) duk_put_prop_string(ctx, 0, "dummy"); (void) duk_put_prop(ctx, 0); (void) duk_realloc_raw(ctx, NULL, 0); (void) duk_realloc(ctx, NULL, 0); (void) duk_remove(ctx, 0); (void) duk_replace(ctx, 0); (void) duk_require_boolean(ctx, 0); (void) duk_require_buffer_data(ctx, 0, NULL); (void) duk_require_buffer(ctx, 0, NULL); (void) duk_require_c_function(ctx, 0); (void) duk_require_callable(ctx, 0); (void) duk_require_context(ctx, 0); (void) duk_require_function(ctx, 0); (void) duk_require_heapptr(ctx, 0); (void) duk_require_int(ctx, 0); (void) duk_require_lstring(ctx, 0, NULL); (void) duk_require_normalize_index(ctx, 0); (void) duk_require_null(ctx, 0); (void) duk_require_number(ctx, 0); (void) duk_require_object_coercible(ctx, 0); (void) duk_require_pointer(ctx, 0); (void) duk_require_stack_top(ctx, 0); (void) duk_require_stack(ctx, 0); (void) duk_require_string(ctx, 0); (void) duk_require_top_index(ctx); (void) duk_require_type_mask(ctx, 0, 0); (void) duk_require_uint(ctx, 0); (void) duk_require_undefined(ctx, 0); (void) duk_require_valid_index(ctx, 0); (void) duk_resize_buffer(ctx, 0, 0); (void) duk_safe_call(ctx, NULL, NULL, 0, 0); (void) duk_safe_to_lstring(ctx, 0, NULL); (void) duk_safe_to_string(ctx, 0); (void) duk_set_finalizer(ctx, 0); (void) duk_set_global_object(ctx); (void) duk_set_magic(ctx, 0, 0); (void) duk_set_prototype(ctx, 0); (void) duk_set_top(ctx, 0); (void) duk_steal_buffer(ctx, 0, NULL); (void) duk_strict_equals(ctx, 0, 0); (void) duk_substring(ctx, 0, 0, 0); (void) duk_swap_top(ctx, 0); (void) duk_swap(ctx, 0, 0); (void) duk_throw(ctx); (void) duk_to_boolean(ctx, 0); (void) duk_to_buffer(ctx, 0, NULL); (void) duk_to_defaultvalue(ctx, 0, 0); (void) duk_to_dynamic_buffer(ctx, 0, NULL); (void) duk_to_fixed_buffer(ctx, 0, NULL); (void) duk_to_int32(ctx, 0); (void) duk_to_int(ctx, 0); (void) duk_to_lstring(ctx, 0, NULL); (void) duk_to_null(ctx, 0); (void) duk_to_number(ctx, 0); (void) duk_to_object(ctx, 0); (void) duk_to_pointer(ctx, 0); (void) duk_to_primitive(ctx, 0, 0); (void) duk_to_string(ctx, 0); (void) duk_to_uint16(ctx, 0); (void) duk_to_uint32(ctx, 0); (void) duk_to_uint(ctx, 0); (void) duk_to_undefined(ctx, 0); (void) duk_trim(ctx, 0); (void) duk_xcopy_top(ctx, NULL, 0); (void) duk_xmove_top(ctx, NULL, 0); printf("never here\n"); fflush(stdout); return 0; }
//void *duk_require_buffer_data(duk_context *ctx, duk_idx_t index, duk_size_t *out_size); void *aperl_duk_require_buffer_data(duk_context *ctx, duk_idx_t index, SV *out_len) { duk_size_t sz; void *ret = duk_require_buffer_data(ctx, index, &sz); sv_setnv(out_len, sz); return ret; }
static int Serializer_Write(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Serializer* serial = CastToSerializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!serial) { duk_push_boolean(ctx, 0); return 1; } const char* str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: success = serial->WriteInt((int) duk_require_number(ctx, 0)); break; case IO_MAGIC_STRING: str = duk_require_string(ctx, 0); length = strlen(str); success = serial->Write(str, length); /* if (length) { buffer.Resize(length); for (size_t i = 0; i < length; i++) buffer[i] = str[i]; serial->WriteBuffer(buffer); } */ break; case IO_MAGIC_ZEROSTRING: success = serial->WriteString(duk_require_string(ctx, 0)); break; case IO_MAGIC_BINARY: str = (const char*) duk_require_buffer_data(ctx, 0, &length); success = serial->Write(str, length); break; default: break; } duk_push_boolean(ctx, success ? 1 : 0); return 1; }
static duk_ret_t dukzip_zip_add(duk_context *ctx) { zip_fileinfo zi = {0}; int res = ZIP_OK; zipFile archive = dukzip_zip_from_this(ctx); const char *filename = ""; duk_int_t level = Z_DEFAULT_COMPRESSION; duk_int_t method = Z_DEFLATED; const char *comment = ""; int datalen = 0; void *data = NULL; if (duk_is_object(ctx, 0)) { dukzip_zip_checkoptions(ctx, 0, &filename, &level, &method, &comment); duk_get_prop_string(ctx, 0, "data"); if (duk_is_string(ctx, -1)) { data = (void *)duk_get_lstring(ctx, -1, &datalen); } else if (duk_is_buffer(ctx, -1) || duk_is_object(ctx, -1)) { data = duk_require_buffer_data(ctx, -1, &datalen); } else { duk_error(ctx, DUK_ERR_TYPE_ERROR, "unable to write data to zip file (supported types: string, buffer)"); return -1; } } else { filename = duk_require_string(ctx, 0); if (duk_is_string(ctx, 1)) { data = (void *)duk_get_lstring(ctx, 1, &datalen); } else if (duk_is_buffer(ctx, 1) || duk_is_object(ctx, 1)) { data = duk_require_buffer_data(ctx, 1, &datalen); } else { duk_error(ctx, DUK_ERR_TYPE_ERROR, "unable to write argument to zip file (supported types: string, buffer)"); return -1; } if (duk_is_number(ctx, 2)) { level = duk_get_int(ctx, 2); } /* push dummy to normalize stack */ duk_push_string(ctx, "dummy"); } res = zipOpenNewFileInZip64(archive, filename, &zi, NULL, 0, NULL, 0, comment, method, level, 1); if (res != ZIP_OK) { goto error; } res = zipWriteInFileInZip(archive, data, datalen); if (res != ZIP_OK) { goto error; } res = zipCloseFileInZip(archive); duk_pop(ctx); /* pop buffer (or dummy) from stack */ if (res == ZIP_OK) { duk_push_true(ctx); } else { duk_push_false(ctx); } return 1; error: zipCloseFileInZip(archive); duk_error(ctx, DUK_ERR_INTERNAL_ERROR, "could not write file '%s'", filename); return -1; }