lib/os_shell.h

   1 /* File: "os_shell.h", Time-stamp: <2009-03-14 09:15:04 feeley> */
   2
   3 /* Copyright (c) 1994-2009 by Marc Feeley, All Rights Reserved. */
   4
   5 #ifndef ___OS_SHELL_H
   6 #define ___OS_SHELL_H
   7
   8 #include "os.h"
   9
  10
  11 /*---------------------------------------------------------------------------*/
  12
  13
  14 typedef struct ___shell_module_struct
  15   {
  16     ___BOOL setup;
  17
  18 #ifdef USE_environ
  19
  20     int environ_unused_at_end;
  21     ___BOOL environ_was_extended;
  22
  23 #define ___SHELL_MODULE_INIT , 0, 0
  24
  25 #endif
  26   } ___shell_module;
  27
  28
  29 extern ___shell_module ___shell_mod;
  30
  31
  32 /*---------------------------------------------------------------------------*/
  33
  34 /* Access to shell environment variables. */
  35
  36
  37 #ifdef USE_WIN32
  38 #ifdef _UNICODE
  39 #define ___GETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) ucs2
  40 #define ___SETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) ucs2
  41 #define ___ENVIRON_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) ucs2
  42 #define ENV_CHAR_BYTES 2
  43 #else
  44 #define ___GETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) native
  45 #define ___SETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) native
  46 #define ___ENVIRON_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) native
  47 #define ENV_CHAR_BYTES 1
  48 #endif
  49 #endif
  50
  51 #ifndef ENV_CHAR_BYTES
  52 #define ENV_CHAR_BYTES 1
  53 #endif
  54
  55
  56 /********************************** obsolete.... use ___getenv_UCS_2 */
  57 char *___getenv
  58    ___P((char *name),
  59         ());
  60
  61 extern ___SCMOBJ ___getenv_UCS_2
  62    ___P((___UCS_2STRING name,
  63          ___UCS_2STRING *value),
  64         ());
  65
  66 extern ___SCMOBJ ___setenv_UCS_2
  67    ___P((___UCS_2STRING name,
  68          ___UCS_2STRING value),
  69         ());
  70
  71 extern ___SCMOBJ ___unsetenv_UCS_2
  72    ___P((___UCS_2STRING name),
  73         ());
  74
  75 extern ___SCMOBJ ___os_getenv
  76    ___P((___SCMOBJ name),
  77         ());
  78
  79 extern ___SCMOBJ ___os_setenv
  80    ___P((___SCMOBJ name,
  81          ___SCMOBJ value),
  82         ());
  83
  84 extern ___SCMOBJ ___os_environ ___PVOID;
  85
  86
  87 /*---------------------------------------------------------------------------*/
  88
  89 /* Shell command. */
  90
  91
  92 /* Max length of a shell command, not including null. */
  93
  94 #define ___CMD_MAX_LENGTH 1024
  95
  96
  97 extern ___SCMOBJ ___os_shell_command
  98    ___P((___SCMOBJ cmd,
  99          ___SCMOBJ dir),
 100         ());
 101
 102
 103 /*---------------------------------------------------------------------------*/
 104
 105 /* Shell module initialization/finalization. */
 106
 107
 108 extern ___SCMOBJ ___setup_shell_module ___PVOID;
 109
 110 extern void ___cleanup_shell_module ___PVOID;
 111
 112
 113 /*---------------------------------------------------------------------------*/
 114
 115
 116 #endif