workbench/system/Wanderer/Tools/DiskInfo/support.c

   1 /*
   2     Copyright © 2005, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <exec/memory.h>
   7 #include <dos/var.h>
   8
   9 #include <proto/exec.h>
  10 #include <proto/dos.h>
  11 #include <proto/muimaster.h>
  12
  13 #include <ctype.h>
  14
  15 #include "locale.h"
  16 #include "support.h"
  17
  18 STRPTR GetENV(CONST_STRPTR name)
  19 {
  20     UBYTE  dummy = 0;
  21     STRPTR value = NULL;
  22
  23     /* Check that the variable exists, and get the length */
  24     if (GetVar(name, &dummy, 1, GVF_GLOBAL_ONLY) != -1)
  25     {
  26         ULONG length = IoErr() + 1;
  27
  28         if ((value = AllocVec(length, MEMF_ANY)) != NULL)
  29         {
  30             if (GetVar(name, value, length, GVF_GLOBAL_ONLY) == -1)
  31             {
  32                 FreeVec(value);
  33                 value = NULL;
  34             }
  35         }
  36     }
  37
  38     return value;
  39 }
  40
  41 BOOL SetENV(CONST_STRPTR name, CONST_STRPTR value)
  42 {
  43     return SetVar(name, value, -1, GVF_GLOBAL_ONLY);
  44 }
  45
  46 VOID ShowError(Object *application, Object *window, CONST_STRPTR message, BOOL useIOError)
  47 {
  48     TEXT   buffer[128];
  49     STRPTR newline = "\n",
  50            period  = ".",
  51            extra   = buffer;
  52
  53     /* Never use IO error if it is 0 */
  54     if (IoErr() == 0) useIOError = FALSE;
  55
  56     if (useIOError)
  57     {
  58         Fault(IoErr(), NULL, buffer, sizeof(buffer));
  59         buffer[0] = toupper(buffer[0]);
  60     }
  61     else
  62     {
  63         newline = "";
  64         period  = "";
  65         extra   = "";
  66     }
  67
  68     MUI_Request
  69     (
  70         application, window, 0, _(MSG_TITLE), _(MSG_ERROR_OK),
  71         "%s:\n%s%s%s%s", _(MSG_ERROR_HEADER), message, newline, extra, period
  72     );
  73 }