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basic/env-util: add little helper to call setenv or unsetenv

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2020-11-10 15:48:14 +01:00
parent 55c540d39f
commit 063f9f0da9
5 changed files with 21 additions and 14 deletions
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src/shared/pager.c
+2 -5
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@@ -189,12 +189,9 @@ int pager_open(PagerFlags flags) {
/* We generally always set variables used by less, even if we end up using a different pager.
* They shouldn't hurt in any case, and ideally other pagers would look at them too. */
if (use_secure_mode)
r = setenv("LESSSECURE", "1", 1);
else
r = unsetenv("LESSSECURE");
r = set_unset_env("LESSSECURE", use_secure_mode ? "1" : NULL, true);
if (r < 0) {
log_error_errno(errno, "Failed to adjust environment variable LESSSECURE: %m");
log_error_errno(r, "Failed to adjust environment variable LESSSECURE: %m");
_exit(EXIT_FAILURE);
}