Landing: b2647ee4e0c3
Project / Subsystem
gcc / cobol
Date
2026-09-17
Author
Xavier Del Campo Romero
Commit
b2647ee4e0c3a4a55feb27d0d1e40fd2bba8a983
Source
github
Perf win
No
Breaking
No
All attributes
- project
- gcc
- subsystem
- cobol
- patch_id
- —
- commit_hash
- b2647ee4e0c3a4a55feb27d0d1e40fd2bba8a983
- source_type
- github
- headline
- Cobol: Improve diagnostics for directory-based copybooks
- tldr
- Cobol compiler now reports if a copybook is a directory, preventing confusing mmap errors.
- author
- Xavier Del Campo Romero
- outcome
- committed
- performance_win
- false
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • cobol
- • diagnostics
- • error handling
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-09-17T00:00:00.000Z
The cobol compiler now explicitly checks if a requested copybook is a directory using fstat(2) before attempting to mmap(2) it. This change prevents confusing ‘No such device’ errors and provides a clear diagnostic message indicating that the specified path is a directory, improving usability.