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author | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-03 14:49:17 +0200 |
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committer | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-03 14:49:17 +0200 |
commit | 533a13af069d8c9e6c5f4e1a72851497185ade03 (patch) | |
tree | 4623752e0c114e582fbbc0afcc02b67dede26b50 /sql/sql_string.cc | |
parent | 4b3690b50433a169d9feed5dc45044a8934b5582 (diff) | |
parent | e6290a8270daf884f551230307225b358939bfab (diff) | |
download | mariadb-git-533a13af069d8c9e6c5f4e1a72851497185ade03.tar.gz |
Merge 10.3 into 10.4
Diffstat (limited to 'sql/sql_string.cc')
-rw-r--r-- | sql/sql_string.cc | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sql/sql_string.cc b/sql/sql_string.cc index c97b8a9a830..e3f4497274c 100644 --- a/sql/sql_string.cc +++ b/sql/sql_string.cc @@ -1,5 +1,5 @@ /* Copyright (c) 2000, 2013, Oracle and/or its affiliates. - Copyright (c) 2016, MariaDB + Copyright (c) 2016, 2020, MariaDB 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 @@ -237,8 +237,8 @@ bool Binary_string::copy(const Binary_string &str) { if (alloc(str.str_length)) return TRUE; - str_length=str.str_length; - bmove(Ptr,str.Ptr,str_length); // May be overlapping + if ((str_length=str.str_length)) + bmove(Ptr,str.Ptr,str_length); // May be overlapping Ptr[str_length]=0; return FALSE; } @@ -574,8 +574,11 @@ bool Binary_string::append_ulonglong(ulonglong val) bool String::append(const char *s, size_t arg_length, CHARSET_INFO *cs) { + if (!arg_length) + return false; + uint32 offset; - + if (needs_conversion((uint32)arg_length, cs, charset(), &offset)) { size_t add_length; |