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lxdream.org :: lxdream/src/util.c
lxdream 0.9.1
released Jun 29
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filename src/util.c
changeset 447:3e095bfcb476
prev437:2c259474b474
next477:9a373f2ff009
author nkeynes
date Sun Oct 21 05:31:07 2007 +0000 (13 years ago)
permissions -rw-r--r--
last change Rename mmr_win.c to mmio_win.c
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     1 /**
     2  * $Id: util.c,v 1.10 2007-10-16 12:36:29 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 <ctype.h>
    20 #include <stdarg.h>
    21 #include <stdio.h>
    22 #include <stdlib.h>
    23 #include <time.h>
    24 #include "dream.h"
    25 #include "sh4/sh4core.h"
    27 char *msg_levels[] = { "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" };
    28 int global_msg_level = EMIT_WARN;
    30 void fwrite_string( const char *s, FILE *f )
    31 {
    32     uint32_t len = 0;
    33     if( s == NULL ) {
    34 	fwrite( &len, sizeof(len), 1, f );
    35     } else {
    36 	len = strlen(s)+1;
    37 	fwrite( &len, sizeof(len), 1, f );
    38 	fwrite( s, len, 1, f );
    39     }
    40 }
    42 int fread_string( char *s, int maxlen, FILE *f ) 
    43 {
    44     uint32_t len;
    45     fread( &len, sizeof(len), 1, f );
    46     if( len != 0 ) {
    47 	fread( s, len > maxlen ? maxlen : len, 1, f );
    48     }
    49     return len;
    50 }
    52 void fwrite_dump( unsigned char *data, unsigned int length, FILE *f ) 
    53 {
    54     unsigned int i, j;
    55     for( i =0; i<length; i+=16 ) {
    56 	fprintf( f, "%08X:", i);
    57 	for( j=i; j<i+16; j++ ) {
    58 	    if( (j % 4) == 0 )
    59 		fprintf( f, " " );
    60 	    if( j < length )
    61 		fprintf( f, " %02X", (unsigned int)(data[j]) );
    62 	    else
    63 		fprintf( f, "   " );
    64 	}
    65 	fprintf( f, "  " );
    66 	for( j=i; j<i+16 && j<length; j++ ) {
    67 	    fprintf( f, "%c", isprint(data[j]) ? data[j] : '.' );
    68 	}
    69 	fprintf( f, "\n" );
    70     }
    71 }
    73 void fwrite_dump32( unsigned int *data, unsigned int length, FILE *f ) 
    74 {
    75     fwrite_dump32v( data, length, 8, f );
    76 }
    78 void fwrite_dump32v( unsigned int *data, unsigned int length, int wordsPerLine, FILE *f ) 
    79 {
    80     unsigned int i, j;
    81     for( i =0; i<length>>2; i+=wordsPerLine ) {
    82 	fprintf( f, "%08X:", i);
    83 	for( j=i; j<i+wordsPerLine; j++ ) {
    84 	    if( j < length )
    85 		fprintf( f, " %08X", (unsigned int)(data[j]) );
    86 	    else
    87 		fprintf( f, "         " );
    88 	}
    89 	fprintf( f, "\n" );
    90     }
    91 }
    94 void log_message( void *ptr, int level, const gchar *source, const char *msg, ... )
    95 {
    96     char buf[20], addr[10] = "", *p;
    97     const gchar *arr[4] = {buf, source, addr};
    98     int posn;
    99     time_t tm = time(NULL);
   100     va_list ap;
   102     if( level > global_msg_level ) {
   103 	return; // ignored
   104     }
   106     va_start(ap, msg);
   108     if( level <= EMIT_ERR ) {
   109 	gchar *text = g_strdup_vprintf( msg, ap );
   110 	if( gui_error_dialog( text ) ) {
   111 	    g_free(text);
   112 	    va_end(ap);
   113 	    return;
   114 	}
   115 	g_free(text);
   116     }
   119     strftime( buf, sizeof(buf), "%H:%M:%S", localtime(&tm) );
   120     fprintf( stderr, "%s %08X %-5s ", buf, sh4r.pc, msg_levels[level] );
   121     vfprintf( stderr, msg, ap );
   122     va_end(ap);
   123     fprintf( stderr, "\n" );
   124 }
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