Vector35 / Vector35/binaryninja-api

Use `sizeof` when appropriate

Open
#3,931 6 comments 5 reactions 1 assignee View on GitHub

@plafosse is already working on this.

Since May 28, 2026.

Component: UI Effort: Low Impact: Medium UI: Linear
Dominant language
C++
Stars
1.3k
Forks
298
Avg merge
5d 5h
Merged PRs (30d)
19

Description

140002dbf  struct rc4_ctx rc
140002dbf  memset(&rc, 0, 0x100)

rc4_ctx is 256 byte long structure, so BN can use sizeof(rc) instead of 0x100 in order to help me understand that all structure will be zeroed in this case.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.