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fixes for valgrind failures

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sql/item.cc:
  don't forget to adjust the length of the string when removing leading spaces
sql/sql_acl.cc:
  when updating the hostname of the ACL_USER, update the hostname_length too
sql/sql_parse.cc:
  first compare the username string, then test the host pointer
  (host pointer is undefined when the username string is one of the hard-coded values
  set by the parser). This is not a bug, old code is perfectly safe as the undefined
  host pointer is never dereferenced, but let's keep valgrind happy.
This commit is contained in:
Sergei Golubchik
2014-09-17 19:38:42 +02:00
parent b04748c8cd
commit c338772a59
3 changed files with 5 additions and 3 deletions
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6
sql/sql_parse.cc
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@ -4335,12 +4335,12 @@ end_with_restore_list:
case SQLCOM_SHOW_GRANTS:
{
LEX_USER *grant_user= lex->grant_user;
Security_context *sctx= thd->security_ctx;
if (!grant_user)
goto error;
if (grant_user->user.str && grant_user->host.str &&
!strcmp(thd->security_ctx->priv_user, grant_user->user.str) &&
!strcmp(thd->security_ctx->priv_host, grant_user->host.str))
if (grant_user->user.str && !strcmp(sctx->priv_user, grant_user->user.str) &&
grant_user->host.str && !strcmp(sctx->priv_host, grant_user->host.str))
grant_user->user= current_user;
if (grant_user->user.str == current_user.str ||