test/dos/scanvarstest.c

   1 /*
   2     Copyright © 1995-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: dos.library ScanVars() function test.
   6 */
   7
   8 #include <string.h>
   9 #include <stdio.h>
  10
  11 #include <proto/dos.h>
  12 #include <proto/utility.h>
  13 #include <dos/var.h>
  14
  15 AROS_UFH3(LONG, print_var,
  16     AROS_UFHA(struct Hook *, hook, A0),
  17     AROS_UFHA(APTR, userdata, A2),
  18     AROS_UFHA(struct ScanVarsMsg *, message, A1))
  19 {
  20     AROS_USERFUNC_INIT
  21
  22     printf("Hook called with userdata: %s\n", (char *)userdata);
  23     printf("%s=%.*s\n", message->sv_Name, (int)message->sv_VarLen,
  24         message->sv_Var);
  25     return 0;
  26
  27     AROS_USERFUNC_EXIT
  28 }
  29
  30 AROS_UFH3(LONG, print_var_break,
  31     AROS_UFHA(struct Hook *, hook, A0),
  32     AROS_UFHA(APTR, userdata, A2),
  33     AROS_UFHA(struct ScanVarsMsg *, message, A1))
  34 {
  35     AROS_USERFUNC_INIT
  36
  37     printf("Hook called with userdata: %s\n", (char *)userdata);
  38     printf("%s=%.*s\n", message->sv_Name, (int)message->sv_VarLen,
  39         message->sv_Var);
  40     if (!strncmp("var2", message->sv_Name, 4))
  41     {
  42         printf("Scanned var2 variable!\n");
  43         return 1;
  44     }
  45     return 0;
  46
  47     AROS_USERFUNC_EXIT
  48 }
  49
  50 int main(void)
  51 {
  52     struct Hook hook;
  53     char userdata[] = "Some user data...";
  54     LONG ret;
  55
  56     memset(&hook, 0, sizeof(struct Hook));
  57     hook.h_Entry = (HOOKFUNC) print_var;
  58
  59     printf("Scanning local variables:\n");
  60     ret = ScanVars(&hook, GVF_LOCAL_ONLY, userdata);
  61     printf("ScanVars returned %d\n", (int)ret);
  62
  63     printf("Adding some new local variables:\n");
  64     SetVar("var1", "Value of variable 1", -1, GVF_LOCAL_ONLY);
  65     SetVar("var2", "Value of variable 2", -1, GVF_LOCAL_ONLY);
  66     SetVar("var3", "Value of variable 3", -1, GVF_LOCAL_ONLY);
  67     printf("Scanning local variables again:\n");
  68     ret = ScanVars(&hook, GVF_LOCAL_ONLY, userdata);
  69     printf("ScanVars returned %d\n", (int)ret);
  70
  71     printf("Trying to print all variables up to var2:\n");
  72     hook.h_Entry = (HOOKFUNC) print_var_break;
  73     ret = ScanVars(&hook, GVF_LOCAL_ONLY, userdata);
  74     printf("ScanVars returned %d\n", (int)ret);
  75
  76     return 0;
  77 }