nanocoat/src/cleanup.c

   1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // -------------------------------------------------------------------------*/
   9
  10 #include "sjme/cleanup.h"
  11
  12 sjme_errorCode sjme_nvm_enqueueHandler(
  13         sjme_attrInNotNull sjme_alloc_weak weak,
  14         sjme_attrInNullable sjme_pointer data,
  15         sjme_attrInValue sjme_jboolean isBlockFree)
  16 {
  17         sjme_nvm_common common;
  18
  19         /* Recover common. */
  20         common = (sjme_nvm_common)data;
  21
  22         /* Do nothing if this was already cleared. */
  23         if (common == NULL)
  24                 return SJME_ERROR_NONE;
  25
  26         /* Specific handling depends on the type. */
  27         switch (common->type)
  28         {
  29                         /* Forward to enqueue handler for closeable, since we do */
  30                         /* not have anything special to do. */
  31                 default:
  32                         return sjme_closeable_autoEnqueue(weak, data, isBlockFree);
  33         }
  34 }
  35
  36 sjme_errorCode sjme_nvm_objectInit(
  37         sjme_attrInNotNull sjme_nvm_common inCommon,
  38         sjme_attrInValue sjme_nvm_structType inType)
  39 {
  40         sjme_errorCode error;
  41         sjme_alloc_weak weak;
  42
  43         if (inCommon == NULL)
  44                 return SJME_ERROR_NULL_ARGUMENTS;
  45
  46         if (inType <= SJME_NVM_STRUCTTYPE_UNKNOWN ||
  47                 inType >= SJME_NVM_NUM_STRUCTTYPE)
  48                 return SJME_ERROR_INVALID_ARGUMENT;
  49
  50         /* Must be a weak pointer. */
  51         weak = NULL;
  52         if (sjme_error_is(error = sjme_alloc_weakRefGet(inCommon,
  53                 &weak)) || weak == NULL)
  54                 return sjme_error_default(error);
  55
  56         /* And must have enqueue cleanup. */
  57         if (weak->enqueue != sjme_nvm_enqueueHandler)
  58                 return SJME_ERROR_ILLEGAL_STATE;
  59
  60         /* Set type information. */
  61         inCommon->type = inType;
  62
  63         /* Success! */
  64         return SJME_ERROR_NONE;
  65 }
  66