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Skip FZF_CURRENT_ITEM export for items larger than 64 KB
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A huge item can overflow ARG_MAX and break exec with E2BIG, failing
preview and other child commands. (#4806)
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Junegunn Choi
2026-06-23 20:50:12 +09:00
parent 109057877b
commit f2e451596c
4 changed files with 32 additions and 2 deletions
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man/man1/fzf.1
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@@ -1534,6 +1534,9 @@ fzf exports the following environment variables to its child processes.
.PP
.B FZF_CURRENT_ITEM
is omitted when the item contains a NUL byte, because exec(2) cannot pass it.
It is also omitted when the item is larger than 64 KB, so that a huge item
cannot overflow the environment size limit and break preview and other child
commands.
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