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| author | Sergei Golubchik <serg@mariadb.org> | 2018-04-19 22:27:02 +0200 |
|---|---|---|
| committer | Sergei Golubchik <serg@mariadb.org> | 2018-04-19 22:31:26 +0200 |
| commit | 1a019d08012db7b3fa6a42d39342792c3418e75b (patch) | |
| tree | c116066b995f1c7a2d8c11e72aa9fa547a20407b /sql/sql_priv.h | |
| parent | 5e61e1716e763315009318081fba5994b8910242 (diff) | |
| parent | c0b4d74b52e7eec9b13af732193f7f8d7abe05de (diff) | |
| download | mariadb-git-1a019d08012db7b3fa6a42d39342792c3418e75b.tar.gz | |
Merge branch 'mysql/5.5' into 5.5
Diffstat (limited to 'sql/sql_priv.h')
| -rw-r--r-- | sql/sql_priv.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sql/sql_priv.h b/sql/sql_priv.h index b5589cb4b22..3195c5bb4a4 100644 --- a/sql/sql_priv.h +++ b/sql/sql_priv.h @@ -1,5 +1,5 @@ -/* Copyright (c) 2000, 2014, Oracle and/or its affiliates. - Copyright (c) 2010, 2014, Monty Program Ab. +/* Copyright (c) 2000, 2018, Oracle and/or its affiliates. + Copyright (c) 2010, 2018, Monty Program Ab. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -193,6 +193,11 @@ template <class T> T available_buffer(const char* buf_start, const char* buf_current, T buf_len) { + /* Sanity check */ + if (buf_current < buf_start || + buf_len < static_cast<T>(buf_current - buf_start)) + return static_cast<T>(0); + return buf_len - (buf_current - buf_start); } |