1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/* #includes */ /*{{{C}}}*//*{{{*/
#include "config.h"
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getopt_.h"
#include "cpmfs.h"
#ifdef USE_DMALLOC
#include <dmalloc.h>
#endif
/*}}}*/
/* #defines */ /*{{{*/
#ifndef O_BINARY
#define O_BINARY 0
#endif
/*}}}*/
/* mkfs -- make file system */ /*{{{*/
static int mkfs(struct cpmSuperBlock *drive, const char *name, const char *label, char *bootTracks)
{
/* variables */ /*{{{*/
int i;
char buf[128];
char firstbuf[128];
int fd;
int bytes;
int trkbytes;
/*}}}*/
/* open image file */ /*{{{*/
if ((fd = open(name, O_BINARY|O_CREAT|O_WRONLY, 0666)) < 0)
{
boo=strerror(errno);
return -1;
}
/*}}}*/
/* write system tracks */ /*{{{*/
/* this initialises only whole tracks, so it skew is not an issue */
trkbytes=drive->secLength*drive->sectrk;
for (i=0; i<trkbytes*drive->boottrk; i+=drive->secLength) if (write(fd, bootTracks+i, drive->secLength)!=drive->secLength)
{
boo=strerror(errno);
close(fd);
return -1;
}
/*}}}*/
/* write directory */ /*{{{*/
memset(buf,0xe5,128);
bytes=drive->maxdir*32;
if (bytes%trkbytes) bytes=((bytes+trkbytes)/trkbytes)*trkbytes;
if (drive->type==CPMFS_P2DOS || drive->type==CPMFS_DR3) buf[3*32]=0x21;
memcpy(firstbuf,buf,128);
if (drive->type==CPMFS_DR3)
{
time_t now;
struct tm *t;
int min,hour,days;
firstbuf[0]=0x20;
for (i=0; i<11 && *label; ++i,++label) firstbuf[1+i]=toupper(*label&0x7f);
while (i<11) firstbuf[1+i++]=' ';
firstbuf[12]=0x11; /* label set and first time stamp is creation date */
memset(&firstbuf[13],0,1+2+8);
time(&now);
t=localtime(&now);
min=((t->tm_min/10)<<4)|(t->tm_min%10);
hour=((t->tm_hour/10)<<4)|(t->tm_hour%10);
for (i=1978,days=0; i < 1900 + t->tm_year; ++i)
{
days+=365;
if (i%4==0 && (i%100!=0 || i%400==0)) ++days;
}
days += t->tm_yday + 1;
firstbuf[24]=firstbuf[28]=days&0xff; firstbuf[25]=firstbuf[29]=days>>8;
firstbuf[26]=firstbuf[30]=hour;
firstbuf[27]=firstbuf[31]=min;
}
for (i=0; i < bytes; i += 128) if (write(fd, i==0 ? firstbuf : buf, 128)!=128)
{
boo=strerror(errno);
close(fd);
return -1;
}
/*}}}*/
/* close image file */ /*{{{*/
if (close(fd)==-1)
{
boo=strerror(errno);
return -1;
}
/*}}}*/
return 0;
}
/*}}}*/
const char cmd[]="mkfs.cpm";
int main(int argc, char *argv[]) /*{{{*/
{
char *image;
const char *format=FORMAT;
int c,usage=0;
struct cpmSuperBlock drive;
struct cpmInode root;
const char *label="unlabeled";
size_t bootTrackSize,used;
char *bootTracks;
const char *boot[4]={(const char*)0,(const char*)0,(const char*)0,(const char*)0};
while ((c=getopt(argc,argv,"b:f:L:h?"))!=EOF) switch(c)
{
case 'b':
{
if (boot[0]==(const char*)0) boot[0]=optarg;
else if (boot[1]==(const char*)0) boot[1]=optarg;
else if (boot[2]==(const char*)0) boot[2]=optarg;
else if (boot[3]==(const char*)0) boot[3]=optarg;
else usage=1;
break;
}
case 'f': format=optarg; break;
case 'L': label=optarg; break;
case 'h':
case '?': usage=1; break;
}
if (optind!=(argc-1)) usage=1;
else image=argv[optind++];
if (usage)
{
fprintf(stderr,"Usage: %s [-f format] [-b boot] [-L label] image\n",cmd);
exit(1);
}
drive.dev.opened=0;
cpmReadSuper(&drive,&root,format);
bootTrackSize=drive.boottrk*drive.secLength*drive.sectrk;
if ((bootTracks=malloc(bootTrackSize))==(void*)0)
{
fprintf(stderr,"%s: can not allocate boot track buffer: %s\n",cmd,strerror(errno));
exit(1);
}
memset(bootTracks,0xe5,bootTrackSize);
used=0;
for (c=0; c<4 && boot[c]; ++c)
{
int fd;
size_t size;
if ((fd=open(boot[c],O_BINARY|O_RDONLY))==-1)
{
fprintf(stderr,"%s: can not open %s: %s\n",cmd,boot[c],strerror(errno));
exit(1);
}
size=read(fd,bootTracks+used,bootTrackSize-used);
#if 0
fprintf(stderr,"%d %04x %s\n",c,used+0x800,boot[c]);
#endif
if (size%drive.secLength) size=(size|(drive.secLength-1))+1;
used+=size;
close(fd);
}
if (mkfs(&drive,image,label,bootTracks)==-1)
{
fprintf(stderr,"%s: can not make new file system: %s\n",cmd,boo);
exit(1);
}
else exit(0);
}
/*}}}*/
|
