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path-util: beef up PATH_STARTSWITH_SET() macro a bit

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Let's remove duplicate evaluation, and let's return the result of the
succesful path_startswith() call, i.e. the suffix to the matching
prefix.
This commit is contained in:
Lennart Poettering
2018-11-26 14:08:46 +01:00
parent 0cbd293e12
commit d898ed65ab
2 changed files with 29 additions and 7 deletions
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src/test/test-path-util.c
+22
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@@ -506,6 +506,27 @@ static void test_empty_or_root(void) {
assert_se(!empty_or_root("//yy//"));
}
static void test_path_startswith_set(void) {
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/bar", "/zzz"), ""));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/", "/zzz"), "bar"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo", "/zzz"), "bar"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/", "/zzz"), "foo/bar"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "", "/zzz"), NULL));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/bar", "/zzz"), NULL));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/", "/zzz"), "bar2"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo", "/zzz"), "bar2"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/", "/zzz"), "foo/bar2"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "", "/zzz"), NULL));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/bar", "/zzz"), NULL));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/", "/zzz"), NULL));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo", "/zzz"), NULL));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/", "/zzz"), "foo2/bar"));
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "", "/zzz"), NULL));
}
int main(int argc, char **argv) {
test_setup_logging(LOG_DEBUG);
@@ -525,6 +546,7 @@ int main(int argc, char **argv) {
test_hidden_or_backup_file();
test_skip_dev_prefix();
test_empty_or_root();
test_path_startswith_set();
test_systemd_installation_has_version(argv[1]); /* NULL is OK */