Method allocByteArrayForString

web/src/memory.ts:446–455

* Allocate a byte array for a string and return the offset of the byte array. * @param data The string to allocate. * @returns The offset of the byte array.

(data: string)

   * @returns The offset of the byte array.
   */
  allocByteArrayForString(data: string): PtrOffset {
    const dataUint8: Uint8Array = StringToUint8Array(data);
    // Note: size of size_t equals sizeof ptr.
    const headerOffset = this.allocRawBytes(this.memory.sizeofPtr() * 2);
    const dataOffset = this.allocRawBytes(dataUint8.length);
    this.storeUSize(headerOffset + this.memory.sizeofPtr(), data.length);
    this.storeRawBytes(dataOffset, dataUint8);
    this.addressToSetTargetValue.push([headerOffset, dataOffset]);
    return headerOffset;
  }
  /**
   * Allocate then set C-String pointer to the offset.
   * This function will call into allocBytes to allocate necessary data.