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On exactly-sized Strings, the String::c_ptr() function peeked beyond the end of the buffer, possibly into unititialized space to see whether the buffer was NUL-terminated. In a place that did peek improperly, we now use a c_ptr_safe() function, which doesn't peek where it shouldn't. client/sql_string.h: Back-port String::c_ptr_safe(). sql/item_func.h: Describe side-effect behavior. sql/item_strfunc.cc: Use the "_safe" version of c_ptr to avoid looking for a terminating NUL character outside the initialized memory area. Valgrind hates it when one does that, and it theoretically could lead to a SEGV. sql/sql_string.h: Back-port String::c_ptr_safe(). |
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| .. | ||
| .cvsignore | ||
| client_priv.h | ||
| completion_hash.cc | ||
| completion_hash.h | ||
| connect_test.c | ||
| get_password.c | ||
| insert_test.c | ||
| list_test.c | ||
| Makefile.am | ||
| my_readline.h | ||
| mysql.cc | ||
| mysqladmin.c | ||
| mysqlbinlog.cc | ||
| mysqlcheck.c | ||
| mysqldump.c | ||
| mysqlimport.c | ||
| mysqlmanager-pwgen.c | ||
| mysqlmanagerc.c | ||
| mysqlshow.c | ||
| mysqltest.c | ||
| readline.cc | ||
| select_test.c | ||
| showdb_test.c | ||
| sql_string.cc | ||
| sql_string.h | ||
| ssl_test.c | ||
| thimble.cc | ||
| thread_test.c | ||