1/*
2******************************************************************************
3*                                                                            *
4* Copyright (C) 2001-2014, International Business Machines                   *
5*                Corporation and others. All Rights Reserved.                *
6*                                                                            *
7******************************************************************************
8*   file name:  ucln_io.c
9*   encoding:   US-ASCII
10*   tab size:   8 (not used)
11*   indentation:4
12*
13*   created on: 2006August11
14*   created by: George Rhoten
15*/
16
17#include "ucln.h"
18#include "ucln_io.h"
19#include "uassert.h"
20
21#ifndef U_IO_IMPLEMENTATION
22#error U_IO_IMPLEMENTATION not set - must be set for all ICU source files in io/ - see http://userguide.icu-project.org/howtouseicu
23#endif
24
25
26/**  Auto-client */
27#define UCLN_TYPE UCLN_IO
28#include "ucln_imp.h"
29
30/* Leave this copyright notice here! It needs to go somewhere in this library. */
31static const char copyright[] = U_COPYRIGHT_STRING;
32
33static cleanupFunc *gCleanupFunctions[UCLN_IO_COUNT];
34
35static UBool io_cleanup(void)
36{
37    ECleanupIOType libType = UCLN_IO_START;
38
39    (void)copyright;  // Suppress unused variable warning.
40    while (++libType<UCLN_IO_COUNT) {
41        if (gCleanupFunctions[libType])
42        {
43            gCleanupFunctions[libType]();
44            gCleanupFunctions[libType] = NULL;
45        }
46    }
47#if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
48    ucln_unRegisterAutomaticCleanup();
49#endif
50    return TRUE;
51}
52
53void ucln_io_registerCleanup(ECleanupIOType type,
54                               cleanupFunc *func)
55{
56    U_ASSERT(UCLN_IO_START < type && type < UCLN_IO_COUNT);
57    ucln_registerCleanup(UCLN_IO, io_cleanup);
58    if (UCLN_IO_START < type && type < UCLN_IO_COUNT)
59    {
60        gCleanupFunctions[type] = func;
61    }
62
63#if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
64    ucln_registerAutomaticCleanup();
65#endif
66}
67
68