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Add new user mode option -ignore-environment

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An empty environment is sometimes useful in user mode.
The new option provides it for linux-user and bsd-user
(darwin-user still has no environment related options).

The patch also adds the documentation for other
environment related options.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
This commit is contained in:
Stefan Weil 2010-07-15 22:28:02 +02:00 • committed by Anthony Liguori
parent 999fa40e43
commit f66724c99a
3 changed files with 26 additions and 0 deletions
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6
bsd-user/main.c
View file

@ -795,6 +795,12 @@ int main(int argc, char **argv)
r = argv[optind++];
if (envlist_setenv(envlist, r) != 0)
usage();
} else if (!strcmp(r, "ignore-environment")) {
envlist_free(envlist);
if ((envlist = envlist_create()) == NULL) {
(void) fprintf(stderr, "Unable to allocate envlist\n");
exit(1);
}
} else if (!strcmp(r, "U")) {
r = argv[optind++];
if (envlist_unsetenv(envlist, r) != 0)