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| author | Kaz Kylheku <kaz@kylheku.com> | 2021-09-25 13:09:01 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2021-09-25 13:09:01 -0700 |
| commit | ba75167d1e7c609b829978b3f4a748ce3cf69ad9 (patch) | |
| tree | d7f4342eec79bd472ac0b0409346c679946f0442 /parser.y | |
| parent | d95be98dd8b2feaffc296a19f9a6e59f76133568 (diff) | |
| download | txr-ba75167d1e7c609b829978b3f4a748ce3cf69ad9.tar.gz txr-ba75167d1e7c609b829978b3f4a748ce3cf69ad9.tar.bz2 txr-ba75167d1e7c609b829978b3f4a748ce3cf69ad9.zip | |
New function: replace-env.
Using this new function together with env, it's now possible
to save the set of environment variables, clobber it to a
specified set (possibly empty) and then restore it.
Useful for improved security in running child processes.
* lib.[ch] (chk_substrdup_utf8): New function.
* sysif.c (replace_env): New function.
(sysif_init): Register replace-env intrinsic.
* sysif.h (replace_env): Declared.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
Diffstat (limited to 'parser.y')
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