Deveshi Dwivedi 4107c0bb34 worktree: do not pass strbuf by value ...

write_worktree_linking_files() takes two struct strbuf parameters by
value, even though it only reads path strings from them.

Passing a strbuf by value is misleading and dangerous. The structure
carries a pointer to its underlying character array; caller and callee
end up sharing that storage.  If the callee ever causes the strbuf to
be reallocated, the caller's copy becomes a dangling pointer, which
results in a double-free when the caller does strbuf_release().

The function only needs the string values, not the strbuf machinery.
Switch it to take const char * and update all callers to pass .buf.

Signed-off-by: Deveshi Dwivedi <deveshigurgaon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2026-03-11 11:08:53 -07:00

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