1 #define _XOPEN_SOURCE 500
2 #include <ccan/tdb/tdb.h>
3 #include <ccan/tdb/io.c>
4 #include <ccan/tdb/tdb.c>
5 #include <ccan/tdb/lock.c>
6 #include <ccan/tdb/freelist.c>
7 #include <ccan/tdb/traverse.c>
8 #include <ccan/tdb/transaction.c>
9 #include <ccan/tdb/error.c>
10 #include <ccan/tdb/open.c>
11 #include <ccan/tdb/check.c>
12 #include <ccan/tap/tap.h>
16 static int check(TDB_DATA key, TDB_DATA data, void *private)
18 unsigned int *sizes = private;
20 if (key.dsize > strlen("hello"))
22 if (memcmp(key.dptr, "hello", key.dsize) != 0)
25 if (data.dsize != strlen("world"))
27 if (memcmp(data.dptr, "world", data.dsize) != 0)
30 sizes[0] += key.dsize;
31 sizes[1] += data.dsize;
35 static void tdb_flip_bit(struct tdb_context *tdb, unsigned int bit)
37 unsigned int off = bit / CHAR_BIT;
38 unsigned char mask = (1 << (bit % CHAR_BIT));
41 ((unsigned char *)tdb->map_ptr)[off] ^= mask;
44 pread(tdb->fd, &c, 1, off);
46 pwrite(tdb->fd, &c, 1, off);
50 static void check_test(struct tdb_context *tdb)
53 unsigned int i, verifiable, corrupt, sizes[2], dsize, ksize;
55 ok1(tdb_check(tdb, NULL, NULL) == 0);
57 key.dptr = (void *)"hello";
58 data.dsize = strlen("world");
59 data.dptr = (void *)"world";
61 /* Key and data size respectively. */
64 /* 5 keys in hash size 2 means we'll have multichains. */
65 for (key.dsize = 1; key.dsize <= 5; key.dsize++) {
68 if (tdb_store(tdb, key, data, TDB_INSERT) != 0)
72 /* This is how many bytes we expect to be verifiable. */
73 /* From the file header. */
74 verifiable = strlen(TDB_MAGIC_FOOD) + 1
75 + 2 * sizeof(uint32_t) + 2 * sizeof(tdb_off_t);
76 /* From the free list chain and hash chains. */
77 verifiable += 3 * sizeof(tdb_off_t);
78 /* From the record headers & tailer */
79 verifiable += 5 * (sizeof(struct list_struct) + sizeof(uint32_t));
80 /* The free block: we ignore datalen, keylen, full_hash. */
81 verifiable += sizeof(struct list_struct) - 3*sizeof(uint32_t) +
83 /* Our check function verifies the key and data. */
84 verifiable += ksize + dsize;
86 /* Flip one bit at a time, make sure it detects verifiable bytes. */
87 for (i = 0, corrupt = 0; i < tdb->map_size * CHAR_BIT; i++) {
89 memset(sizes, 0, sizeof(sizes));
90 if (tdb_check(tdb, check, sizes) != 0)
92 else if (sizes[0] != ksize || sizes[1] != dsize)
96 ok(corrupt == verifiable * CHAR_BIT, "corrupt %u should be %u",
97 corrupt, verifiable * CHAR_BIT);
100 int main(int argc, char *argv[])
102 struct tdb_context *tdb;
105 /* This should use mmap. */
106 tdb = tdb_open("/tmp/test6.tdb", 2, TDB_CLEAR_IF_FIRST,
107 O_CREAT|O_TRUNC|O_RDWR, 0600);
114 /* This should not. */
115 tdb = tdb_open("/tmp/test6.tdb", 2, TDB_CLEAR_IF_FIRST|TDB_NOMMAP,
116 O_CREAT|O_TRUNC|O_RDWR, 0600);
123 return exit_status();