libogc/argv.c

   1 /*-------------------------------------------------------------
   2
   3 Copyright (C) 2008
   4 Michael Wiedenbauer (shagkur)
   5 Dave Murphy (WinterMute)
   6
   7 This software is provided 'as-is', without any express or implied
   8 warranty.  In no event will the authors be held liable for any
   9 damages arising from the use of this software.
  10
  11 Permission is granted to anyone to use this software for any
  12 purpose, including commercial applications, and to alter it and
  13 redistribute it freely, subject to the following restrictions:
  14
  15 1.      The origin of this software must not be misrepresented; you
  16 must not claim that you wrote the original software. If you use
  17 this software in a product, an acknowledgment in the product
  18 documentation would be appreciated but is not required.
  19
  20 2.      Altered source versions must be plainly marked as such, and
  21 must not be misrepresented as being the original software.
  22
  23 3.      This notice may not be removed or altered from any source
  24 distribution.
  25
  26 -------------------------------------------------------------*/
  27 #include "gctypes.h"
  28 #include <string.h>
  29
  30 extern u8 __Arena1Lo[];
  31 extern char *__argvArena1Lo;
  32 void build_argv (struct __argv* argstruct );
  33
  34 void __CheckARGV() {
  35
  36         if ( __system_argv->argvMagic != ARGV_MAGIC ) {
  37                 __system_argv->argc = 0;
  38                 __system_argv->argv = NULL;
  39                 return;
  40         }
  41
  42         u8 *dest = (u8 *)( ((int)__Arena1Lo + 3) & ~3);
  43
  44         memmove(dest, __system_argv->commandLine, __system_argv->length);
  45         __system_argv->commandLine = (char *)dest;
  46         build_argv(__system_argv);
  47
  48         __argvArena1Lo = (char *)__system_argv->endARGV;
  49
  50 }