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Mark Johnston
150df709c2
In the ISO2022-CN encoding, characters may require at least seven bytes, and MB_LEN_MAX==6 is insufficient. From code inspection, _ISO2022_sputwchar() can emit 10 bytes in the worst case, so use that to size buffers. Add a regression test. Approved by: so Security: FreeBSD-SA-26:49.iconv Security: CVE-2026-58082 Reviewed by: kevans Differential Revision: https://reviews.freebsd.org/D57950