fontnames.c revision a96d7823 
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
12in all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
18OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20OTHER DEALINGS IN THE SOFTWARE.
21
22Except as contained in this notice, the name of The Open Group shall
23not be used in advertising or otherwise to promote the sale, use or
24other dealings in this Software without prior written authorization
25from The Open Group.
26
27*/
28
29/*
30 * Author:  Keith Packard, MIT X Consortium
31 *
32 */
33
34#ifdef HAVE_CONFIG_H
35#include <config.h>
36#endif
37#include "libxfontint.h"
38#include	<X11/fonts/fontmisc.h>
39#include	<X11/fonts/fontstruct.h>
40
41void
42xfont2_free_font_names(FontNamesPtr pFN)
43{
44    int         i;
45
46    if (!pFN)
47	return;
48    for (i = 0; i < pFN->nnames; i++) {
49	free(pFN->names[i]);
50    }
51    free(pFN->names);
52    free(pFN->length);
53    free(pFN);
54}
55
56FontNamesPtr
57xfont2_make_font_names_record(unsigned size)
58{
59    FontNamesPtr pFN;
60
61    pFN = malloc(sizeof(FontNamesRec));
62    if (pFN) {
63	pFN->nnames = 0;
64	pFN->size = size;
65	if (size)
66	{
67	    pFN->length = malloc(size * sizeof(int));
68	    pFN->names = malloc(size * sizeof(char *));
69	    if (!pFN->length || !pFN->names) {
70	    	free(pFN->length);
71	    	free(pFN->names);
72	    	free(pFN);
73	    	pFN = (FontNamesPtr) 0;
74	    }
75	}
76	else
77	{
78	    pFN->length = 0;
79	    pFN->names = 0;
80	}
81    }
82    return pFN;
83}
84
85int
86xfont2_add_font_names_name(FontNamesPtr names,
87			   char *name,
88			   int length)
89{
90    int         index = names->nnames;
91    char       *nelt;
92
93    nelt = malloc(length + 1);
94    if (!nelt)
95	return AllocError;
96    if (index >= names->size) {
97	int         size = names->size << 1;
98	int        *nlength;
99	char      **nnames;
100
101	if (size == 0)
102	    size = 8;
103	nlength = realloc(names->length, size * sizeof(int));
104	nnames = realloc(names->names, size * sizeof(char *));
105	if (nlength && nnames) {
106	    names->size = size;
107	    names->length = nlength;
108	    names->names = nnames;
109	} else {
110	    free(nelt);
111	    free(nlength);
112	    free(nnames);
113	    return AllocError;
114	}
115    }
116    names->length[index] = length;
117    names->names[index] = nelt;
118    strncpy(nelt, name, length);
119    nelt[length] = '\0';
120    names->nnames++;
121    return Successful;
122}
123