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string-util: make split_pair() return parameters optional

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This commit is contained in:
Lennart Poettering
2026-06-19 23:05:36 +02:00
parent e641f37499
commit 4552dce3b5
2 changed files with 33 additions and 10 deletions
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src/test/test-string-util.c
+17
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@@ -640,6 +640,23 @@ TEST(split_pair) {
ASSERT_OK(split_pair("===", "==", &a, &b));
ASSERT_STREQ(a, "");
ASSERT_STREQ(b, "=");
a = mfree(a);
b = mfree(b);
/* The output parameters are optional */
ASSERT_OK(split_pair("foo=bar", "=", NULL, &b));
ASSERT_NULL(a);
ASSERT_STREQ(b, "bar");
b = mfree(b);
ASSERT_OK(split_pair("foo=bar", "=", &a, NULL));
ASSERT_STREQ(a, "foo");
ASSERT_NULL(b);
a = mfree(a);
ASSERT_OK(split_pair("foo=bar", "=", NULL, NULL));
ASSERT_NULL(a);
ASSERT_NULL(b);
/* ... but the separator must still be present */
ASSERT_ERROR(split_pair("foo", "=", NULL, NULL), EINVAL);
}
TEST(empty_to_null) {