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add const

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This commit is contained in:
DieMyst 2019-04-10 17:12:25 +03:00
parent 0352242e46
commit 3ee19273cf
1 changed files with 15 additions and 11 deletions
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26
assembly/index.ts
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@ -1,3 +1,5 @@
const RESPONSE_SIZE_BYTES = 4;
/**
* Reads array of bytes from a given `ptr` that has to have `len` bytes size.
*
@ -9,6 +11,8 @@ export function readRequestBytes(ptr: i32, size: i32): Uint8Array {
bb[i] = load<u8>(ptr + i)
}
memory.free(changetype<usize>(ptr));
return bb;
}
@ -33,22 +37,22 @@ export function readRequestString(ptr: i32, size: i32): string {
*
* @return response pointer
*/
export function writeResponseBytes(bb: Uint8Array): i32 {
let len: i32 = bb.length;
let addr = memory.allocate(len + 4);
for (let i = 0; i < 4; i++) {
export function writeResponseBytes(response: Uint8Array): i32 {
let len: i32 = response.length;
let addr = memory.allocate(len + RESPONSE_SIZE_BYTES);
for (let i = 0; i < RESPONSE_SIZE_BYTES; i++) {
let b: u8 = (len >> i * 8) as u8 & 0xFF;
store<u8>(addr + i, b);
}
let responseAddr = addr + 4;
let responseAddr = addr + RESPONSE_SIZE_BYTES;
for (let i = 0; i < len; i++) {
let b: u8 = bb[i];
let b: u8 = response[i];
store<u8>(responseAddr + i, b);
}
memory.free(changetype<usize>(bb.buffer));
memory.free(changetype<usize>(bb));
memory.free(changetype<usize>(response.buffer));
memory.free(changetype<usize>(response));
return addr;
}
@ -59,13 +63,13 @@ export function writeResponseBytes(bb: Uint8Array): i32 {
*/
export function writeResponseString(response: string): i32 {
let strLen: i32 = response.length;
let addr = memory.allocate(strLen + 4);
for (let i = 0; i < 4; i++) {
let addr = memory.allocate(strLen + RESPONSE_SIZE_BYTES);
for (let i = 0; i < RESPONSE_SIZE_BYTES; i++) {
let b: u8 = (strLen >> i * 8) as u8 & 0xFF;
store<u8>(addr + i, b);
}
let strAddr = addr + 4;
let strAddr = addr + RESPONSE_SIZE_BYTES;
for (let i = 0; i < strLen; i++) {
let b: u8 = response.charCodeAt(i) as u8;
store<u8>(strAddr + i, b);