filename | src/util.c |
changeset | 117:3b6a128ae733 |
prev | 35:21a4be098304 |
next | 187:f6ce97841afc |
author | nkeynes |
date | Tue May 23 13:10:28 2006 +0000 (17 years ago) |
permissions | -rw-r--r-- |
last change | Add texcache invalidates on direct writes to 64-bit vram. Technically we should do it on direct writes to 32-bit vram as well, but noone (sane) is going to try to write a texture there... |
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1 /**
2 * $Id: util.c,v 1.4 2006-03-20 11:58:37 nkeynes Exp $
3 *
4 * Miscellaneous utility functions.
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #include "dream.h"
21 void fwrite_string( char *s, FILE *f )
22 {
23 uint32_t len = 0;
24 if( s == NULL ) {
25 fwrite( &len, sizeof(len), 1, f );
26 } else {
27 len = strlen(s)+1;
28 fwrite( &len, sizeof(len), 1, f );
29 fwrite( s, len, 1, f );
30 }
31 }
33 int fread_string( char *s, int maxlen, FILE *f )
34 {
35 uint32_t len;
36 fread( &len, sizeof(len), 1, f );
37 if( len != 0 ) {
38 fread( s, len > maxlen ? maxlen : len, 1, f );
39 }
40 return len;
41 }
43 void fwrite_dump( unsigned char *data, unsigned int length, FILE *f )
44 {
45 unsigned int i, j;
46 for( i =0; i<length; i+=16 ) {
47 fprintf( f, "%08X:", i);
48 for( j=i; j<i+16; j++ ) {
49 if( (j % 4) == 0 )
50 fprintf( f, " " );
51 if( j < length )
52 fprintf( f, " %02X", (unsigned int)(data[j]) );
53 else
54 fprintf( f, " " );
55 }
56 fprintf( f, " " );
57 for( j=i; j<i+16 && j<length; j++ ) {
58 fprintf( f, "%c", isprint(data[j]) ? data[j] : '.' );
59 }
60 fprintf( f, "\n" );
61 }
62 }
.