From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:07:14 +0200 Subject: Adding upstream version 1:10.5.12. Signed-off-by: Daniel Baumann --- include/mysql/service_thd_rnd.h | 62 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 include/mysql/service_thd_rnd.h (limited to 'include/mysql/service_thd_rnd.h') diff --git a/include/mysql/service_thd_rnd.h b/include/mysql/service_thd_rnd.h new file mode 100644 index 00000000..8761077e --- /dev/null +++ b/include/mysql/service_thd_rnd.h @@ -0,0 +1,62 @@ +#ifndef MYSQL_SERVICE_THD_RND_INCLUDED +/* Copyright (C) 2017 MariaDB Corporation + + 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 + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file + This service provides access to the thd-local random number generator. + + It's preferable over the global one, because concurrent threads + can generate random numbers without fighting each other over the access + to the shared rnd state. +*/ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef MYSQL_ABI_CHECK +#include +#endif + +extern struct thd_rnd_service_st { + double (*thd_rnd_ptr)(MYSQL_THD thd); + void (*thd_c_r_p_ptr)(MYSQL_THD thd, char *to, size_t length); +} *thd_rnd_service; + +#ifdef MYSQL_DYNAMIC_PLUGIN +#define thd_rnd(A) thd_rnd_service->thd_rnd_ptr(A) +#define thd_create_random_password(A,B,C) thd_rnd_service->thd_c_r_p_ptr(A,B,C) +#else + +double thd_rnd(MYSQL_THD thd); + +/** + Generate string of printable random characters of requested length. + + @param to[out] Buffer for generation; must be at least length+1 bytes + long; result string is always null-terminated + @param length[in] How many random characters to put in buffer +*/ +void thd_create_random_password(MYSQL_THD thd, char *to, size_t length); + +#endif + +#ifdef __cplusplus +} +#endif + +#define MYSQL_SERVICE_THD_RND_INCLUDED +#endif -- cgit v1.2.3