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Merge pull request #343 from nyalldawson/fix_index_read_errors

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Fix accidental reads of non-index data as indices
This commit is contained in:
Evan Miller
2021-08-29 07:20:27 -04:00
committed by GitHub
parent 9b57c3ff66 d94796d79b
commit 92dc91bfe8
1 changed files with 5 additions and 2 deletions
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7
src/libmdb/index.c
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@@ -236,7 +236,7 @@ mdb_read_indices(MdbTableDef *table)
*/
//fprintf(stderr, "num_idxs:%d num_real_idxs:%d\n", table->num_idxs, table->num_real_idxs);
table->num_real_idxs = 0;
unsigned int num_idxs_type_other_than_2 = 0;
tmpbuf = g_malloc(idx2_sz);
for (i=0;i<table->num_idxs;i++) {
if (!read_pg_if_n(mdb, tmpbuf, &cur_pos, idx2_sz)) {
@@ -264,8 +264,11 @@ mdb_read_indices(MdbTableDef *table)
fprintf(stderr, "idx #%d: %d %d %d %d %d/%d\n", i, idx_marker, rel_idx_type, rel_idx_number, rel_idx_page, update_action_flags, delete_action_flags);
}*/
if (pidx->index_type!=2)
table->num_real_idxs++;
num_idxs_type_other_than_2++;
}
if (num_idxs_type_other_than_2<table->num_real_idxs)
table->num_real_idxs=num_idxs_type_other_than_2;
//fprintf(stderr, "num_idxs:%d num_real_idxs:%d\n", table->num_idxs, table->num_real_idxs);
g_free(tmpbuf);