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blockdev-util: split out partition device node generation from dissect-util.c

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This commit is contained in:
Lennart Poettering
2025-10-22 22:56:01 +02:00
parent bb45a893c2
commit 524ebfe28a
4 changed files with 74 additions and 8 deletions
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src/test/test-blockdev-util.c
+26
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@@ -77,4 +77,30 @@ TEST(partscan_enabled) {
}
}
static void test_partition_node_of_one(const char *main, unsigned partition, const char *result, int retval) {
_cleanup_free_ char *s = NULL;
int r;
r = partition_node_of(main, partition, &s);
ASSERT_EQ(r, retval);
if (r < 0)
return;
ASSERT_STREQ(s, result);
log_info("%s with %u → %s", main, partition, result);
}
TEST(partition_node_of) {
test_partition_node_of_one("/dev/sda", 2, "/dev/sda2", 0);
test_partition_node_of_one("sda", 3, "sda3", 0);
test_partition_node_of_one("/dev/nvme0n1", 7, "/dev/nvme0n1p7", 0);
test_partition_node_of_one("nvme0n1", 8, "nvme0n1p8", 0);
test_partition_node_of_one("/dev/loop1", 3, "/dev/loop1p3", 0);
test_partition_node_of_one("", 1, NULL, -EINVAL);
test_partition_node_of_one("/", 1, NULL, -EADDRNOTAVAIL);
test_partition_node_of_one("/dev/", 1, NULL, -EISDIR);
test_partition_node_of_one("/sda", 1, "/sda1", 0);
test_partition_node_of_one(".", 1, NULL, -EADDRNOTAVAIL);
}
DEFINE_TEST_MAIN(LOG_INFO);