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| author | Jan Lindström <jan.lindstrom@mariadb.com> | 2017-08-09 08:56:11 +0300 |
|---|---|---|
| committer | Jan Lindström <jan.lindstrom@mariadb.com> | 2017-08-09 08:56:11 +0300 |
| commit | 56b03e308fb4c0feee166ddf6a707d855affa3c3 (patch) | |
| tree | fc4e16093800cf4cbf1cc54fceb0b7280c4212ba /sql/mysqld.cc | |
| parent | 4f40f87c48a9ee252f797b5d760a6b6f07cc3815 (diff) | |
| parent | a346a5613ee7c0b17b0b4ce377659c996ef6bb75 (diff) | |
| download | mariadb-git-56b03e308fb4c0feee166ddf6a707d855affa3c3.tar.gz | |
Merge tag 'mariadb-10.0.32' into 10.0-galera
Diffstat (limited to 'sql/mysqld.cc')
| -rw-r--r-- | sql/mysqld.cc | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc index baf3d0f6758..45e6b3666bf 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -3619,7 +3619,6 @@ sizeof(load_default_groups)/sizeof(load_default_groups[0]); #endif -#ifndef EMBEDDED_LIBRARY /** This function is used to check for stack overrun for pathological cases of regular expressions and 'like' expressions. @@ -3648,8 +3647,6 @@ check_enough_stack_size(int recurse_level) return 0; return check_enough_stack_size_slow(); } -#endif - /* @@ -3671,11 +3668,12 @@ static void init_pcre() { pcre_malloc= pcre_stack_malloc= my_str_malloc_mysqld; pcre_free= pcre_stack_free= my_str_free_mysqld; -#ifndef EMBEDDED_LIBRARY pcre_stack_guard= check_enough_stack_size_slow; /* See http://pcre.org/original/doc/html/pcrestack.html */ - my_pcre_frame_size= -pcre_exec(NULL, NULL, NULL, -999, -999, 0, NULL, 0) + 16; -#endif + my_pcre_frame_size= -pcre_exec(NULL, NULL, NULL, -999, -999, 0, NULL, 0); + // pcre can underestimate its stack usage. Use a safe value, as in the manual + set_if_bigger(my_pcre_frame_size, 500); + my_pcre_frame_size += 16; // Again, safety margin, see the manual } |