1 /*
2 * Copyright (C) 1998-2004 David Turner and Werner Lemberg
3 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
4 * Copyright (C) 2007 Red Hat, Inc.
5 *
6 * This is part of HarfBuzz, an OpenType Layout engine library.
7 *
8 * Permission is hereby granted, without written agreement and without
9 * license or royalty fees, to use, copy, modify, and distribute this
10 * software and its documentation for any purpose, provided that the
11 * above copyright notice and the following two paragraphs appear in
12 * all copies of this software.
13 *
14 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
15 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
16 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
17 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * DAMAGE.
19 *
20 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
21 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
22 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
23 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
24 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
25 *
26 * Red Hat Author(s): Behdad Esfahbod
27 */
28
29 #include "harfbuzz-impl.h"
30
31
32 HB_INTERNAL HB_Pointer
_hb_alloc(size_t size,HB_Error * perror)33 _hb_alloc(size_t size,
34 HB_Error *perror )
35 {
36 HB_Error error = (HB_Error)0;
37 HB_Pointer block = NULL;
38
39 if ( size > 0 )
40 {
41 block = calloc( 1, size );
42 if ( !block )
43 error = ERR(HB_Err_Out_Of_Memory);
44 }
45
46 *perror = error;
47 return block;
48 }
49
50
51 HB_INTERNAL HB_Pointer
_hb_realloc(HB_Pointer block,size_t new_size,HB_Error * perror)52 _hb_realloc(HB_Pointer block,
53 size_t new_size,
54 HB_Error *perror )
55 {
56 HB_Pointer block2 = NULL;
57 HB_Error error = (HB_Error)0;
58
59 block2 = realloc( block, new_size );
60 if ( block2 == NULL && new_size != 0 )
61 error = ERR(HB_Err_Out_Of_Memory);
62
63 if ( !error )
64 block = block2;
65
66 *perror = error;
67 return block;
68 }
69
70
71 HB_INTERNAL void
_hb_free(HB_Pointer block)72 _hb_free( HB_Pointer block )
73 {
74 if ( block )
75 free( block );
76 }
77
78
79 /* helper func to set a breakpoint on */
80 HB_INTERNAL HB_Error
_hb_err(HB_Error code)81 _hb_err (HB_Error code)
82 {
83 return code;
84 }
85