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Restitute a successful stat call to this test case.

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Since the first stat call is made for it to deliberately fail, and we
reference st.st_mode without st having valid data, st.st_mode can contain
garbage and cause chmod to fail with EINVAL. We rerun stat and ensure it
succeeded.

Also make use of tt_abort_perror, to properly convey failure reasons to
the user.
This commit is contained in:
dana koch 2014-02-15 21:48:58 +11:00 • committed by Nick Mathewson
parent 8999150f71
commit f49805b681
1 changed files with 6 additions and 1 deletions
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7
src/test/test_config.c
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@ -221,12 +221,17 @@ test_config_check_or_create_data_subdir(void *arg)
// and is private to the user.
test_assert(!check_or_create_data_subdir(subdir));
r = stat(subpath, &st);
if (r) {
tt_abort_perror("stat");
}
#if !defined (_WIN32) || defined (WINCE)
group_permission = st.st_mode | 0070;
r = chmod(subpath, group_permission);
if (r) {
test_fail_msg("Changing permissions for the subdirectory failed.");
tt_abort_perror("chmod");
}
// If the directory exists, but its mode is too permissive