diff options
Diffstat (limited to 'sql/sql_string.h')
| -rw-r--r-- | sql/sql_string.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sql/sql_string.h b/sql/sql_string.h index 2f0cd9103dc..8b09d449c2b 100644 --- a/sql/sql_string.h +++ b/sql/sql_string.h @@ -2,8 +2,8 @@ #define SQL_STRING_INCLUDED /* - Copyright (c) 2000, 2011, Oracle and/or its affiliates. - Copyright (c) 2008-2011 Monty Program Ab + Copyright (c) 2000, 2012, Oracle and/or its affiliates. + Copyright (c) 2008, 2011, 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 @@ -279,8 +279,11 @@ public: } return realloc_with_extra(arg_length); } - inline void shrink(uint32 arg_length) // Shrink buffer + // Shrink the buffer, but only if it is allocated on the heap. + inline void shrink(uint32 arg_length) { + if (!is_alloced()) + return; if (ALIGN_SIZE(arg_length+1) < Alloced_length) { char *new_ptr; @@ -296,7 +299,7 @@ public: } } } - bool is_alloced() { return alloced; } + bool is_alloced() const { return alloced; } inline String& operator = (const String &s) { if (&s != this) |