usr/src/lib/libast/common/port/astdynamic.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23
  24 /*
  25  * ast dynamic data initialization
  26  */
  27
  28 #ifdef _UWIN
  29
  30 #define _std_def_cfree  1
  31
  32 #include <sfio_t.h>
  33 #include <ast.h>
  34
  35 #undef  strcoll
  36
  37 #include <ast_windows.h>
  38
  39 extern Sfio_t   _Sfstdin;
  40 extern Sfio_t   _Sfstdout;
  41 extern Sfio_t   _Sfstderr;
  42
  43 #include "sfhdr.h"
  44
  45 #undef  sfstdin
  46 #undef  sfstdout
  47 #undef  sfstderr
  48
  49 #if defined(__EXPORT__)
  50 #define extern          __EXPORT__
  51 #endif
  52
  53 /*
  54  * for backward compatibility with early UNIX
  55  */
  56
  57 extern void
  58 cfree(void* addr)
  59 {
  60         free(addr);
  61 }
  62
  63 extern void
  64 _ast_libinit(void* in, void* out, void* err)
  65 {
  66         Sfio_t*         sp;
  67
  68         sp = (Sfio_t*)in;
  69         *sp =  _Sfstdin;
  70         sfstdin = sp;
  71         sp = (Sfio_t*)out;
  72         *sp =  _Sfstdout;
  73         sfstdout = sp;
  74         sp = (Sfio_t*)err;
  75         *sp =  _Sfstderr;
  76         sfstderr = sp;
  77 }
  78
  79 extern void
  80 _ast_init(void)
  81 {
  82         struct _astdll* ap = _ast_getdll();
  83
  84         _ast_libinit(ap->_ast_stdin,ap->_ast_stdout,ap->_ast_stderr);
  85 }
  86
  87 extern void
  88 _ast_exit(void)
  89 {
  90         if (_Sfcleanup)
  91                 (*_Sfcleanup)();
  92 }
  93
  94 BOOL WINAPI
  95 DllMain(HINSTANCE hinst, DWORD reason, VOID* reserved)
  96 {
  97         switch (reason)
  98         {
  99         case DLL_PROCESS_ATTACH:
 100                 break;
 101         case DLL_PROCESS_DETACH:
 102                 _ast_exit();
 103                 break;
 104         }
 105         return 1;
 106 }
 107
 108 #else
 109
 110 #include <ast.h>
 111
 112 #if _dll_data_intercept && ( _DLL_BLD || _BLD_DLL )
 113
 114 #undef  environ
 115
 116 extern char**   environ;
 117
 118 struct _astdll  _ast_dll = { &environ };
 119
 120 struct _astdll*
 121 _ast_getdll(void)
 122 {
 123         return &_ast_dll;
 124 }
 125
 126 #else
 127
 128 NoN(astdynamic)
 129
 130 #endif
 131
 132 #endif