diff options
Diffstat (limited to 'sql/wsrep_utils.h')
-rw-r--r-- | sql/wsrep_utils.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/sql/wsrep_utils.h b/sql/wsrep_utils.h index 32829c605fb..ed699eabec9 100644 --- a/sql/wsrep_utils.h +++ b/sql/wsrep_utils.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2013 Codership Oy <info@codership.com> +/* Copyright (C) 2013-2015 Codership Oy <info@codership.com> 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 @@ -236,6 +236,25 @@ private: extern wsp::Config_state wsrep_config_state; namespace wsp { +/* a class to manage env vars array */ +class env +{ +private: + size_t len_; + char** env_; + int errno_; + bool ctor_common(char** e); + void dtor(); + env& operator =(env); +public: + explicit env(char** env); + explicit env(const env&); + ~env(); + int append(const char* var); /* add a new env. var */ + int error() const { return errno_; } + char** operator()() { return env_; } +}; + /* A small class to run external programs. */ class process { @@ -248,8 +267,9 @@ private: public: /*! @arg type is a pointer to a null-terminated string which must contain either the letter 'r' for reading or the letter 'w' for writing. + @arg env optional null-terminated vector of environment variables */ - process (const char* cmd, const char* type); + process (const char* cmd, const char* type, char** env); ~process (); FILE* pipe () { return io_; } @@ -282,6 +302,8 @@ class string { public: string() : string_(0) {} + explicit string(size_t s) : string_(static_cast<char*>(malloc(s))) {} + char* operator()() { return string_; } void set(char* str) { if (string_) free (string_); string_ = str; } ~string() { set (0); } private: |