1/*
2
3Copyright 1991, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25*/
26
27/*
28 * Author:  Keith Packard, MIT X Consortium
29 */
30
31#ifdef HAVE_CONFIG_H
32#include <config.h>
33#endif
34#include "libxfontint.h"
35#include "src/util/replace.h"
36#include    <X11/fonts/fontmisc.h>
37#include    <X11/fonts/fontstruct.h>
38
39static int _FontPrivateAllocateIndex = 0;
40
41int
42xfont2_allocate_font_private_index (void)
43{
44    return _FontPrivateAllocateIndex++;
45}
46
47FontPtr
48CreateFontRec (void)
49{
50    FontPtr pFont;
51    int size;
52
53    size = sizeof(FontRec) + (sizeof(pointer) * _FontPrivateAllocateIndex);
54
55    pFont = malloc(size);
56
57    if(pFont) {
58	bzero((char*)pFont, size);
59	pFont->maxPrivate = _FontPrivateAllocateIndex - 1;
60	if(_FontPrivateAllocateIndex)
61	    pFont->devPrivates = (pointer)(&pFont[1]);
62    }
63
64    return pFont;
65}
66
67void
68DestroyFontRec (FontPtr pFont)
69{
70   if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1]))
71	free(pFont->devPrivates);
72   free(pFont);
73}
74
75void
76ResetFontPrivateIndex (void)
77{
78    _FontPrivateAllocateIndex = 0;
79}
80
81Bool
82xfont2_font_set_private(FontPtr pFont, int n, pointer ptr)
83{
84    pointer *new;
85
86    if (n > pFont->maxPrivate) {
87	if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1])) {
88	    new = reallocarray (pFont->devPrivates, (n + 1), sizeof (pointer));
89	    if (!new)
90		return FALSE;
91	} else {
92	    /* omg realloc */
93	    new = reallocarray (NULL, (n + 1), sizeof (pointer));
94	    if (!new)
95		return FALSE;
96	    if (pFont->devPrivates)
97		memcpy (new, pFont->devPrivates, (pFont->maxPrivate + 1) * sizeof (pointer));
98	}
99	pFont->devPrivates = new;
100	/* zero out new, uninitialized privates */
101	while(++pFont->maxPrivate < n)
102	    pFont->devPrivates[pFont->maxPrivate] = (pointer)0;
103    }
104    pFont->devPrivates[n] = ptr;
105    return TRUE;
106}
107
108