/*
  *  OpenVPN -- An application to securely tunnel IP networks
  *             over a single TCP/UDP port, with support for SSL/TLS-based
  *             session authentication and key exchange,
  *             packet encryption, packet authentication, and
  *             packet compression.
  *

  *  Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>

  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2
  *  as published by the Free Software Foundation.
  *
  *  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 Street, Fifth Floor, Boston, MA 02110-1301 USA.

  *
  *
  *  A printf-like function (that only recognizes a subset of standard printf
  *  format operators) that prints arguments to an argv list instead
  *  of a standard string.  This is used to build up argv arrays for passing
  *  to execve.
  */
 
 #ifndef ARGV_H
 #define ARGV_H
 
 #include "buffer.h"
 
 struct argv {

     size_t capacity;
     size_t argc;
     char **argv;

 };
 

 struct argv argv_new(void);

 void argv_reset(struct argv *a);
 
 const char *argv_str(const struct argv *a, struct gc_arena *gc, const unsigned int flags);
 
 struct argv argv_insert_head(const struct argv *a, const char *head);
 
 void argv_msg(const int msglev, const struct argv *a);
 
 void argv_msg_prefix(const int msglev, const struct argv *a, const char *prefix);
 
 void argv_parse_cmd(struct argv *a, const char *s);
 
 void argv_printf(struct argv *a, const char *format, ...)

 #ifdef __GNUC__
 #if __USE_MINGW_ANSI_STDIO

 __attribute__ ((format(gnu_printf, 2, 3)))

 #else

 __attribute__ ((format(__printf__, 2, 3)))

 #endif
 #endif

 ;

 void argv_printf_cat(struct argv *a, const char *format, ...)

 #ifdef __GNUC__
 #if __USE_MINGW_ANSI_STDIO

 __attribute__ ((format(gnu_printf, 2, 3)))

 #else

 __attribute__ ((format(__printf__, 2, 3)))

 #endif
 #endif

 ;

 #endif /* ifndef ARGV_H */