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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2019-08-16 08:29:41 +0300 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2019-08-16 08:29:41 +0300 |
| commit | 130d9490c844d82a7a8613c343a1969c0bec4c62 (patch) | |
| tree | 5c87a4518dd13b0764255f09135b32b857de1b53 /storage/innobase/row/row0log.cc | |
| parent | d50fe4021eb22c6265d005ebcccf03a3905bbc75 (diff) | |
| download | mariadb-git-130d9490c844d82a7a8613c343a1969c0bec4c62.tar.gz | |
Silence GCC 9.2.1 -Warray-bounds
No memory access violated the bounds of fake_extra_buf[],
but GCC does not like the fact that the pointer fake_extra
ends up pointing before the array.
Allocate a dummy element at the start of fake_extra_buf[]
in order to silence the warning.
Diffstat (limited to 'storage/innobase/row/row0log.cc')
| -rw-r--r-- | storage/innobase/row/row0log.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/storage/innobase/row/row0log.cc b/storage/innobase/row/row0log.cc index 78f283a3fc8..71fb7fc5f7f 100644 --- a/storage/innobase/row/row0log.cc +++ b/storage/innobase/row/row0log.cc @@ -1003,7 +1003,7 @@ row_log_table_low( extra_size = rec_extra_size + is_instant; unsigned fake_extra_size = 0; - byte fake_extra_buf[2]; + byte fake_extra_buf[3]; if (is_instant && UNIV_UNLIKELY(!index->is_instant())) { /* The source table was emptied after ALTER TABLE started, and it was converted to non-instant format. @@ -1015,9 +1015,9 @@ row_log_table_low( fake_extra_size = rec_get_n_add_field_len(n_add); ut_ad(fake_extra_size == 1 || fake_extra_size == 2); extra_size += fake_extra_size; - byte* fake_extra = fake_extra_buf + fake_extra_size - 1; + byte* fake_extra = fake_extra_buf + fake_extra_size; rec_set_n_add_field(fake_extra, n_add); - ut_ad(fake_extra + 1 == fake_extra_buf); + ut_ad(fake_extra == fake_extra_buf); } mrec_size = ROW_LOG_HEADER_SIZE @@ -1076,7 +1076,7 @@ row_log_table_low( memcpy(b, rec - rec_extra_size - omit_size, rec_extra_size); b += rec_extra_size; - memcpy(b, fake_extra_buf, fake_extra_size); + memcpy(b, fake_extra_buf + 1, fake_extra_size); b += fake_extra_size; ulint len; ulint trx_id_offs = rec_get_nth_field_offs( |