filename | src/util.c |
changeset | 220:f72f8a7dff88 |
prev | 187:f6ce97841afc |
next | 422:61a0598e07ff |
author | nkeynes |
date | Mon Jan 15 08:32:09 2007 +0000 (17 years ago) |
permissions | -rw-r--r-- |
last change | Break vram routines out into pvr2mem.c Initial (untested) implementation of stride textures Hookup YUV converter code in pvr2.c |
file | annotate | diff | log | raw |
nkeynes@31 | 1 | /** |
nkeynes@220 | 2 | * $Id: util.c,v 1.6 2006-09-12 08:36:09 nkeynes Exp $ |
nkeynes@31 | 3 | * |
nkeynes@31 | 4 | * Miscellaneous utility functions. |
nkeynes@31 | 5 | * |
nkeynes@31 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@31 | 7 | * |
nkeynes@31 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@31 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@31 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@31 | 11 | * (at your option) any later version. |
nkeynes@31 | 12 | * |
nkeynes@31 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@31 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@31 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@31 | 16 | * GNU General Public License for more details. |
nkeynes@31 | 17 | */ |
nkeynes@31 | 18 | |
nkeynes@17 | 19 | #include "dream.h" |
nkeynes@17 | 20 | |
nkeynes@17 | 21 | void fwrite_string( char *s, FILE *f ) |
nkeynes@17 | 22 | { |
nkeynes@17 | 23 | uint32_t len = 0; |
nkeynes@17 | 24 | if( s == NULL ) { |
nkeynes@17 | 25 | fwrite( &len, sizeof(len), 1, f ); |
nkeynes@17 | 26 | } else { |
nkeynes@17 | 27 | len = strlen(s)+1; |
nkeynes@17 | 28 | fwrite( &len, sizeof(len), 1, f ); |
nkeynes@17 | 29 | fwrite( s, len, 1, f ); |
nkeynes@17 | 30 | } |
nkeynes@17 | 31 | } |
nkeynes@17 | 32 | |
nkeynes@17 | 33 | int fread_string( char *s, int maxlen, FILE *f ) |
nkeynes@17 | 34 | { |
nkeynes@17 | 35 | uint32_t len; |
nkeynes@17 | 36 | fread( &len, sizeof(len), 1, f ); |
nkeynes@17 | 37 | if( len != 0 ) { |
nkeynes@17 | 38 | fread( s, len > maxlen ? maxlen : len, 1, f ); |
nkeynes@17 | 39 | } |
nkeynes@17 | 40 | return len; |
nkeynes@17 | 41 | } |
nkeynes@117 | 42 | |
nkeynes@117 | 43 | void fwrite_dump( unsigned char *data, unsigned int length, FILE *f ) |
nkeynes@117 | 44 | { |
nkeynes@117 | 45 | unsigned int i, j; |
nkeynes@117 | 46 | for( i =0; i<length; i+=16 ) { |
nkeynes@117 | 47 | fprintf( f, "%08X:", i); |
nkeynes@117 | 48 | for( j=i; j<i+16; j++ ) { |
nkeynes@117 | 49 | if( (j % 4) == 0 ) |
nkeynes@117 | 50 | fprintf( f, " " ); |
nkeynes@117 | 51 | if( j < length ) |
nkeynes@117 | 52 | fprintf( f, " %02X", (unsigned int)(data[j]) ); |
nkeynes@117 | 53 | else |
nkeynes@117 | 54 | fprintf( f, " " ); |
nkeynes@117 | 55 | } |
nkeynes@117 | 56 | fprintf( f, " " ); |
nkeynes@117 | 57 | for( j=i; j<i+16 && j<length; j++ ) { |
nkeynes@117 | 58 | fprintf( f, "%c", isprint(data[j]) ? data[j] : '.' ); |
nkeynes@117 | 59 | } |
nkeynes@117 | 60 | fprintf( f, "\n" ); |
nkeynes@117 | 61 | } |
nkeynes@117 | 62 | } |
nkeynes@187 | 63 | |
nkeynes@187 | 64 | void fwrite_dump32( unsigned int *data, unsigned int length, FILE *f ) |
nkeynes@187 | 65 | { |
nkeynes@220 | 66 | fwrite_dump32v( data, length, 8, f ); |
nkeynes@220 | 67 | } |
nkeynes@220 | 68 | |
nkeynes@220 | 69 | void fwrite_dump32v( unsigned int *data, unsigned int length, int wordsPerLine, FILE *f ) |
nkeynes@220 | 70 | { |
nkeynes@187 | 71 | unsigned int i, j; |
nkeynes@220 | 72 | for( i =0; i<length>>2; i+=wordsPerLine ) { |
nkeynes@187 | 73 | fprintf( f, "%08X:", i); |
nkeynes@220 | 74 | for( j=i; j<i+wordsPerLine; j++ ) { |
nkeynes@187 | 75 | if( j < length ) |
nkeynes@187 | 76 | fprintf( f, " %08X", (unsigned int)(data[j]) ); |
nkeynes@187 | 77 | else |
nkeynes@187 | 78 | fprintf( f, " " ); |
nkeynes@187 | 79 | } |
nkeynes@187 | 80 | fprintf( f, "\n" ); |
nkeynes@187 | 81 | } |
nkeynes@187 | 82 | } |
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