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