1 /* wvWare
2 * Copyright (C) Caolan McNamara, Dom Lachowicz, and others
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
17 * 02111-1307, USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include <stdlib.h>
25 #include <stdio.h>
26 #include "wv.h"
27
28 void
wvGetFDOA(FDOA * item,wvStream * fd)29 wvGetFDOA (FDOA * item, wvStream * fd)
30 {
31 item->fc = (S32) read_32ubit (fd);
32 item->ctxbx = (S16) read_16ubit (fd);
33 }
34
35
36 int
wvGetFDOA_PLCF(FDOA ** fdoa,U32 ** pos,U32 * nofdoa,U32 offset,U32 len,wvStream * fd)37 wvGetFDOA_PLCF (FDOA ** fdoa, U32 ** pos, U32 * nofdoa, U32 offset, U32 len,
38 wvStream * fd)
39 {
40 U32 i;
41 if ((len == 0) || (offset == 0))
42 {
43 *fdoa = NULL;
44 *pos = NULL;
45 *nofdoa = 0;
46 }
47 else
48 {
49 *nofdoa = (len - 4) / (cbFDOA + 4);
50 *pos = (U32 *) wvMalloc ((*nofdoa + 1) * sizeof (U32));
51 if (*pos == NULL)
52 {
53 wvError (
54 ("NO MEM 1, failed to alloc %d bytes\n",
55 (*nofdoa + 1) * sizeof (U32)));
56 return (1);
57 }
58
59 *fdoa = (FDOA *) wvMalloc ((*nofdoa + 1) * sizeof (FDOA));
60 if (*fdoa == NULL)
61 {
62 wvError (
63 ("NO MEM 1, failed to alloc %d bytes\n",
64 *nofdoa * sizeof (FDOA)));
65 wvFree (pos);
66 return (1);
67 }
68 wvStream_goto (fd, offset);
69 for (i = 0; i <= *nofdoa; i++)
70 (*pos)[i] = read_32ubit (fd);
71 for (i = 0; i < *nofdoa; i++)
72 wvGetFDOA (&((*fdoa)[i]), fd);
73 }
74 return (0);
75 }
76
77 FDOA *
wvGetFDOAFromCP(U32 currentcp,FDOA * fdoa,U32 * pos,U32 nofdoa)78 wvGetFDOAFromCP (U32 currentcp, FDOA * fdoa, U32 * pos, U32 nofdoa)
79 {
80 U32 i;
81 wvTrace (("nofdoa is %d\n", nofdoa));
82 for (i = 0; i < nofdoa; i++)
83 {
84 wvTrace (("compare %x %x\n", currentcp, pos[i]));
85 if (pos[i] == currentcp)
86 return (&(fdoa[i]));
87 }
88 wvError (("found no fdoa, panic\n"));
89 return (NULL);
90 }
91