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path: root/src/findkey.c
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-rw-r--r--src/findkey.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/findkey.c b/src/findkey.c
index 7638b04..bd9fd83 100644
--- a/src/findkey.c
+++ b/src/findkey.c
@@ -24,2 +24,16 @@
24 24
25int
26gdbm_bucket_element_valid_p (GDBM_FILE dbf, int elem_loc)
27{
28 return
29 elem_loc < dbf->header->bucket_elems
30 && dbf->bucket->h_table[elem_loc].hash_value != -1
31 && dbf->bucket->h_table[elem_loc].key_size >= 0
32 && off_t_sum_ok (dbf->bucket->h_table[elem_loc].data_pointer,
33 dbf->bucket->h_table[elem_loc].key_size)
34 && dbf->bucket->h_table[elem_loc].data_size >= 0
35 && off_t_sum_ok (dbf->bucket->h_table[elem_loc].data_pointer
36 + dbf->bucket->h_table[elem_loc].key_size,
37 dbf->bucket->h_table[elem_loc].data_size);
38}
25 39
@@ -41,2 +55,8 @@ _gdbm_read_entry (GDBM_FILE dbf, int elem_loc)
41 55
56 if (!gdbm_bucket_element_valid_p (dbf, elem_loc))
57 {
58 GDBM_SET_ERRNO (dbf, GDBM_BAD_HASH_TABLE, TRUE);
59 return NULL;
60 }
61
42 /* Set sizes and pointers. */ 62 /* Set sizes and pointers. */

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