fix(helper/adapter): env should set c type correctly

[yusukebe]

Fixes #3854

The author should do the following, if applicable

• Add tests
• Run tests
• bun run format:fix && bun run lint:fix to format the code
• Add TSDoc/JSDoc to document the code

[github-actions]

Bundle size check

	main (d75e9ec)	#3856 (b900952)	+/-
Bundle Size (B)	18,771B	18,771B	0B
Bundle Size (KB)	18.33K	18.33K	0K

Compiler Diagnostics

	main (d75e9ec)	#3856 (b900952)	+/-
Files	257	257	0
Lines	115,048	115,048	0
Identifiers	112,929	112,929	0
Symbols	301,429	301,429	0
Types	213,638	213,638	0
Instantiations	3,090,073	3,090,073	0
Memory used	440,773K	446,798K	6,025K
I/O read	0.04s	0.02s	-0.02s
I/O write	0s	0s	0s
Parse time	0.67s	0.82s	0.15s
Bind time	0.3s	0.32s	0.02s
Check time	6.1s	5.5s	-0.6s
Emit time	0s	0s	0s
Total time	7.07s	6.64s	-0.43s

---

Reported by octocov

[yusukebe]

Hi @arolson101

I think this will resolve the problem. Can you review this?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.32%. Comparing base (ecf5a0b) to head (a682b1b).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3856    +/-   ##
========================================
  Coverage   91.32%   91.32%            
========================================
  Files         161      161            
  Lines       10242    10242            
  Branches     2891     2997   +106     
========================================
  Hits         9353     9353            
  Misses        888      888            
  Partials        1        1            

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[arolson101]

looks good to me; thank you!

[yusukebe]

@arolson101

Thanks! Merging.