apple2pi/src/fusea2pi.c

1388 lines
40 KiB
C
Executable File

#define FUSE_USE_VERSION 26
#include "a2lib.c"
#include <fuse.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <dirent.h>
#include <pthread.h>
#include <errno.h>
#include <sys/time.h>
#define FALSE 0
#define TRUE (!FALSE)
/*
* ProDOS Commands.
*/
#define PRODOS_CREATE 0xC0
#define PRODOS_DESTROY 0xC1
#define PRODOS_RENAME 0xC2
#define PRODOS_SET_FILE_INFO 0xC3
#define PRODOS_GET_FILE_INFO 0xC4
#define PRODOS_ON_LINE 0xC5
#define PRODOS_SET_PREFIX 0xC6
#define PRODOS_GET_PREFIX 0xC7
#define PRODOS_OPEN 0xC8
#define PRODOS_NEWLINE 0xC9
#define PRODOS_READ 0xCA
#define PRODOS_WRITE 0xCB
#define PRODOS_CLOSE 0xCC
#define PRODOS_FLUSH 0xCD
#define PRODOS_SET_MARK 0xCE
#define PRODOS_MARK 0xCF
#define PRODOS_SET_EOF 0xD0
#define PRODOS_GET_EOF 0xD1
#define PRODOS_SET_BUF 0xD2
#define PRODOS_GET_BUF 0xD3
#define PRODOS_READ_BLOCK 0x80
#define PRODOS_WRITE_BLOCK 0x81
/*
* ProDOS Errors.
*/
#define PRODOS_OK 0x00
#define PRODOS_ERR_BAD_CMD 0x01
#define PRODOS_ERR_BAD_COUNT 0x04
#define PRODOS_ERR_INT_TBL_FULL 0x25
#define PRODOS_ERR_IO 0x27
#define PRODOS_ERR_NO_DEV 0x28
#define PRODOS_ERR_WR_PROT 0x2B
#define PRODOS_ERR_DSK_SWITCH 0x2E
#define PRODOS_ERR_INVLD_PATH 0x40
#define PRODOS_ERR_FCB_FULL 0x42
#define PRODOS_ERR_INVLD_REFNUM 0x43
#define PRODOS_ERR_PATH_NOT_FND 0x44
#define PRODOS_ERR_VOL_NOT_FND 0x45
#define PRODOS_ERR_FILE_NOT_FND 0x46
#define PRODOS_ERR_DUP_FILENAME 0x47
#define PRODOS_ERR_OVERRUN 0x48
#define PRODOS_ERR_VOL_DIR_FULL 0x49
#define PRODOS_ERR_INCOMPAT_FMT 0x4A
#define PRODOS_ERR_UNSUPP_TYPE 0x4B
#define PRODOS_ERR_EOF 0x4C
#define PRODOS_ERR_POS_RANGE 0x4D
#define PRODOS_ERR_ACCESS 0x4E
#define PRODOS_ERR_FILE_OPEN 0x50
#define PRODOS_ERR_DIR_COUNT 0x51
#define PRODOS_ERR_NOT_PRODOS 0x52
#define PRODOS_ERR_INVLD_PARAM 0x53
#define PRODOS_ERR_VCB_FULL 0x55
#define PRODOS_ERR_BAD_BUF_ADDR 0x56
#define PRODOS_ERR_DUP_VOL 0x57
#define PRODOS_ERR_BAD_BITMAP 0x5A
#define PRODOS_ERR_UNKNOWN 0x100
/*
* ProDOS call template.
*/
#define PRODOS_CALL 0x0301
#define PRODOS_CALL_LEN 0x08
#define PRODOS_CMD 0x03
#define PRODOS_PARAMS 0x07
#define PRODOS_PARAM_CNT 0x07
#define PRODOS_PARAM_BUFFER (PRODOS_CALL+PRODOS_PARAMS)
#define PRODOS_DATA_BUFFER 0x4000
#define PRODOS_DATA_BUFFER_LEN 0x2000
#define PRODOS_IO_BUFFER 0x6000
#define PRODOS_IO_BUFFER_LEN 0x0400
#define PRODOS_IO_BUFFER_NUM 8
static unsigned char prodos[32] = {
// ORG @ $301
0x20, 0x00, 0xBF, // JSR $BF00 (PRODOS)
0x00, // DB CMD
0x08, 0x03, // DW PARAMS
0x60, // RTS
// PARAMS @ $308
0x00 // PARAM_COUNT
};
/*
* Apple II Pi connection.
*/
static int pifd = 0;
/*
* Handy macros.
*/
#define IS_ROOT_DIR(p) (dirlen(p) == 0)
/*
* Cached directory blocks.
*/
#define IS_RAW_DEV(l,p) ((l)==8&&(p)[1]=='s'&&(p)[3]=='d'&&(p)[5]=='.'&&(p)[6]=='p'&&(p)[7]=='o')
#define CACHE_BLOCKS_MAX 16
static char cachepath[128] = "";
static unsigned char cachedata[CACHE_BLOCKS_MAX][512]; /* !!! Is this enough !!! */
static unsigned char volumes[256];
static unsigned int volblks[16];
/*
* Apple II Pi semaphore.
*/
pthread_mutex_t a2pi_busy = PTHREAD_MUTEX_INITIALIZER;
#define A2PI_WAIT pthread_mutex_lock(&a2pi_busy)
#define A2PI_RELEASE pthread_mutex_unlock(&a2pi_busy)
/*
* Write flags.
*/
int raw_dev_write = FALSE;
int write_perms = 0;
/*
* Filename & date/time conversion routines.
*/
static char hexchar(int h)
{
h &= 0x0F;
if (h > 9)
h += 'A' - 10;
else
h += '0';
return (char) h;
}
static char *unix_name(unsigned char *pname, int type, int aux, char *uname)
{
int l;
static char filename[24];
if (uname == NULL)
uname = filename;
l = pname[0] & 0x0F;
strncpy(uname, pname + 1, l);
if (type != 0x0F && type < 0x100) /* not Directory/Raw type */
{
uname[l + 0] = '#';
uname[l + 1] = hexchar(type >> 4);
uname[l + 2] = hexchar(type);
uname[l + 3] = hexchar(aux >> 12);
uname[l + 4] = hexchar(aux >> 8);
uname[l + 5] = hexchar(aux >> 4);
uname[l + 6] = hexchar(aux);
uname[l + 7] = '\0';
}
else
uname[l] = '\0';
return uname;
}
static int hexval(char h)
{
if (h >= 'a')
h -= 'a' - 10;
else if (h >= 'A')
h -= 'A' - 10;
else
h -= '0';
return h;
}
static unsigned char *prodos_path(const char *uname, int *type, int *aux, unsigned char *pname)
{
static unsigned char filename[72];
int l = strlen(uname);
if (type)
*type = 0;
if (aux)
*aux = 0;
if (pname == NULL)
pname = filename;
if (l > 7 && uname[l - 7] == '#')
{
if (type)
*type = hexval(uname[l - 6]) * 16 + hexval(uname[l - 5]);
if (aux)
*aux = hexval(uname[l - 4]) * 4096 + hexval(uname[l - 3]) * 256
+ hexval(uname[l - 2]) * 16 + hexval(uname[l - 1]);
l -= 7;
}
if (l > 64)
l = 64;
strncpy(pname + 1, uname, l);
pname[0] = l;
pname[l + 1] = '\0';
return pname;
}
static unsigned int prodos_time(int year, int month, int day, int hour, int minute)
{
if (year > 99)
year -= 100;
month += 1;
return (day & 0x1F) | ((month & 0x0F) << 5) | ((year & 0x7F) << 9)
| ((minute & 0x3F) << 16) | ((hour & 0x1F) << 24);
}
static time_t unix_time(unsigned int ptime)
{
struct tm tm;
memset(&tm, 0, sizeof(struct tm));
tm.tm_mday = ptime & 0x1F;
tm.tm_mon = (ptime >> 5) & 0x0F;
tm.tm_year = (ptime >> 9) & 0x7F;
tm.tm_min = (ptime >> 16) & 0x3F;
tm.tm_hour = (ptime >> 24) & 0x1F;
if (tm.tm_year < 80)
tm.tm_year += 100;
tm.tm_mon -= 1;
return mktime(&tm);
}
struct stat *unix_stat(struct stat *stbuf, int storage, int access, int blocks, int size, int mod, int create)
{
memset(stbuf, 0, sizeof(struct stat));
if (storage == 0x0F || storage == 0x0D)
{
stbuf->st_mode = (access & 0xC3) == 0xC3 ? S_IFDIR | (write_perms | 0555) : S_IFDIR | 0555;
stbuf->st_nlink = 2;
}
else
{
stbuf->st_mode = (access & 0xC3) == 0xC3 ? S_IFREG | (write_perms | 0444) : S_IFREG | 0444;
stbuf->st_nlink = 1;
stbuf->st_blocks = blocks;
stbuf->st_size = size;
}
stbuf->st_atime = stbuf->st_mtime = unix_time(mod);
stbuf->st_ctime = unix_time(create);
return stbuf;
}
/*
* ProDOS calls to Apple II Pi.
*/
#if 1
static int io_buff_mask = 0;
static int prodos_alloc_io_buff(void)
{
int i;
for (i = 0; i < PRODOS_IO_BUFFER_NUM; i++)
if ((io_buff_mask & (1 << i)) == 0)
{
io_buff_mask |= (1 << i);
//printf("Alloc io_buff $%04X\n", PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * i);
return (PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * i);
}
return 0;
}
static int prodos_free_io_buff(int buf)
{
//printf("Free io_buff $%04X\n", buf);
if (buf < PRODOS_IO_BUFFER || buf > (PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * PRODOS_IO_BUFFER_NUM))
return -1;
int i = (buf - PRODOS_IO_BUFFER) / PRODOS_IO_BUFFER_LEN;
io_buff_mask &= ~(1 << i);
return i;
}
#else
#define prodos_alloc_io_buff() PRODOS_IO_BUFFER
#define prodos_free_io_buff(b)
#endif
static unsigned int prodos_update_time(void)
{
char time_buff[4];
time_t now = time(NULL);
struct tm *tm = localtime(&now);
int result, ptime = prodos_time(tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min);
time_buff[0] = (unsigned char) ptime;
time_buff[1] = (unsigned char) (ptime >> 8);
time_buff[2] = (unsigned char) (ptime >> 16);
time_buff[3] = (unsigned char) (ptime >> 24);
result = a2write(pifd, 0xBF90, 4, time_buff);
}
static int prodos_open(unsigned char *prodos_path, int *io_buff)
{
unsigned char refnum;
int result;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
if (*io_buff == 0)
{
if ((*io_buff = prodos_alloc_io_buff()) == 0)
return -PRODOS_ERR_FCB_FULL;
}
prodos[PRODOS_CMD] = PRODOS_OPEN;
prodos[PRODOS_PARAM_CNT] = 3;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 3] = (unsigned char) *io_buff;
prodos[PRODOS_PARAMS + 4] = (unsigned char) (*io_buff >> 8);
prodos[PRODOS_PARAMS + 5] = 0;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 5, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 5, 1, &refnum);
return refnum;
}
prodos_free_io_buff(*io_buff);
}
else
result = PRODOS_ERR_UNKNOWN;
prodos_free_io_buff(*io_buff);
*io_buff = 0;
return -result;
}
static int prodos_close(int refnum, int *io_buff)
{
int result;
prodos_update_time();
if (io_buff && *io_buff != 0)
{
prodos_free_io_buff(*io_buff);
*io_buff = 0;
}
prodos[PRODOS_CMD] = PRODOS_CLOSE;
prodos[PRODOS_PARAM_CNT] = 1;
prodos[PRODOS_PARAMS + 1] = refnum;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 1, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
return -result;
}
return -PRODOS_ERR_UNKNOWN;
}
static int prodos_read(int refnum, char *data_buff, int req_xfer)
{
int result, short_req, short_xfer, total_xfer = 0;
prodos[PRODOS_CMD] = PRODOS_READ;
prodos[PRODOS_PARAM_CNT] = 4;
prodos[PRODOS_PARAMS + 1] = refnum;
while (req_xfer)
{
short_req = (req_xfer > PRODOS_DATA_BUFFER_LEN) ? PRODOS_DATA_BUFFER_LEN : req_xfer;
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) short_req;
prodos[PRODOS_PARAMS + 5] = (unsigned char) (short_req >> 8);
prodos[PRODOS_PARAMS + 6] = 0;
prodos[PRODOS_PARAMS + 7] = 0;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 7, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 6, 2, prodos + PRODOS_PARAMS + 6);
if ((short_xfer = (unsigned char) prodos[PRODOS_PARAMS + 6] + (unsigned char)prodos[PRODOS_PARAMS + 7] * 256) > 0)
a2read(pifd, PRODOS_DATA_BUFFER, short_xfer, data_buff + total_xfer);
req_xfer -= short_xfer;
total_xfer += short_xfer;
}
else
{
return (result == PRODOS_ERR_EOF || total_xfer) ? total_xfer : -result;
}
}
else
{
return -PRODOS_ERR_UNKNOWN;
}
}
return total_xfer;
}
static int prodos_write(int refnum, const char *data_buff, int req_xfer)
{
int result, short_req, short_xfer, total_xfer = 0;
prodos[PRODOS_CMD] = PRODOS_WRITE;
prodos[PRODOS_PARAM_CNT] = 4;
prodos[PRODOS_PARAMS + 1] = refnum;
while (req_xfer)
{
short_req = (req_xfer > PRODOS_DATA_BUFFER_LEN) ? PRODOS_DATA_BUFFER_LEN : req_xfer;
a2write(pifd, PRODOS_DATA_BUFFER, short_req, (char *)(data_buff + total_xfer));
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) short_req;
prodos[PRODOS_PARAMS + 5] = (unsigned char) (short_req >> 8);
prodos[PRODOS_PARAMS + 6] = 0;
prodos[PRODOS_PARAMS + 7] = 0;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 7, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 6, 2, prodos + PRODOS_PARAMS + 6);
short_xfer = (unsigned char) prodos[PRODOS_PARAMS + 6] + (unsigned char)prodos[PRODOS_PARAMS + 7] * 256;
req_xfer -= short_xfer;
total_xfer += short_xfer;
}
else
{
return -result;
}
}
else
{
return -PRODOS_ERR_UNKNOWN;
}
}
return total_xfer;
}
static int prodos_set_mark(int refnum, int position)
{
int result;
prodos[PRODOS_CMD] = PRODOS_SET_MARK;
prodos[PRODOS_PARAM_CNT] = 2;
prodos[PRODOS_PARAMS + 1] = (unsigned char) refnum;
prodos[PRODOS_PARAMS + 2] = (unsigned char) position;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (position >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) (position >> 16);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result -PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_set_eof(int refnum, int position)
{
int result;
prodos[PRODOS_CMD] = PRODOS_SET_EOF;
prodos[PRODOS_PARAM_CNT] = 2;
prodos[PRODOS_PARAMS + 1] = (unsigned char) refnum;
prodos[PRODOS_PARAMS + 2] = (unsigned char) position;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (position >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) (position >> 16);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result -PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_get_eof(int refnum)
{
int position, result;
prodos[PRODOS_CMD] = PRODOS_GET_EOF;
prodos[PRODOS_PARAM_CNT] = 2;
prodos[PRODOS_PARAMS + 1] = (unsigned char) refnum;
prodos[PRODOS_PARAMS + 2] = 0;
prodos[PRODOS_PARAMS + 3] = 0;
prodos[PRODOS_PARAMS + 4] = 0;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 2, 3, prodos + PRODOS_PARAMS + 2);
position = prodos[PRODOS_PARAMS + 2]
+ (prodos[PRODOS_PARAMS + 3] << 8)
+ (prodos[PRODOS_PARAMS + 4] << 16);
return position;
}
}
else
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_on_line(int unit, char *data_buff)
{
int result;
prodos_update_time();
prodos[PRODOS_CMD] = PRODOS_ON_LINE;
prodos[PRODOS_PARAM_CNT] = 2;
prodos[PRODOS_PARAMS + 1] = (unsigned char) unit;
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 3, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
a2read(pifd, PRODOS_DATA_BUFFER, (unit == 0) ? 256 : 16, data_buff);
}
else
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_set_file_info(unsigned char *prodos_path, int access, int type, int aux, int mod, int create)
{
int result;
prodos_update_time();
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_SET_FILE_INFO;
prodos[PRODOS_PARAM_CNT] = 7;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 3] = access;
prodos[PRODOS_PARAMS + 4] = type;
prodos[PRODOS_PARAMS + 5] = (unsigned char) aux;
prodos[PRODOS_PARAMS + 6] = (unsigned char) (aux >> 8);
prodos[PRODOS_PARAMS + 7] = 0;
prodos[PRODOS_PARAMS + 8] = 0;
prodos[PRODOS_PARAMS + 9] = 0;
prodos[PRODOS_PARAMS + 10] = (unsigned char) mod;
prodos[PRODOS_PARAMS + 11] = (unsigned char) (mod >> 8);
prodos[PRODOS_PARAMS + 12] = (unsigned char) create;
prodos[PRODOS_PARAMS + 13] = (unsigned char) (create >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 13, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_get_file_info(unsigned char *prodos_path, int *access, int *type, int *aux, int *storage, int *numblks, int *mod, int *create)
{
int result;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_GET_FILE_INFO;
prodos[PRODOS_PARAM_CNT] = 10;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 3] = 0;
prodos[PRODOS_PARAMS + 4] = 0;
prodos[PRODOS_PARAMS + 5] = 0;
prodos[PRODOS_PARAMS + 6] = 0;
prodos[PRODOS_PARAMS + 7] = 0;
prodos[PRODOS_PARAMS + 8] = 0;
prodos[PRODOS_PARAMS + 9] = 0;
prodos[PRODOS_PARAMS + 10] = 0;
prodos[PRODOS_PARAMS + 11] = 0;
prodos[PRODOS_PARAMS + 12] = 0;
prodos[PRODOS_PARAMS + 13] = 0;
prodos[PRODOS_PARAMS + 14] = 0;
prodos[PRODOS_PARAMS + 15] = 0;
prodos[PRODOS_PARAMS + 16] = 0;
prodos[PRODOS_PARAMS + 17] = 0;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 17, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 3, 15, prodos + PRODOS_PARAMS + 3);
*access = prodos[PRODOS_PARAMS + 3];
*type = prodos[PRODOS_PARAMS + 4];
*aux = prodos[PRODOS_PARAMS + 5]
+ (prodos[PRODOS_PARAMS + 6] << 8);
*storage = prodos[PRODOS_PARAMS + 7];
*numblks = prodos[PRODOS_PARAMS + 8]
+ (prodos[PRODOS_PARAMS + 9] << 8);
*mod = prodos[PRODOS_PARAMS + 10]
+ (prodos[PRODOS_PARAMS + 11] << 8)
+ (prodos[PRODOS_PARAMS + 12] << 16)
+ (prodos[PRODOS_PARAMS + 13] << 24);
*create = prodos[PRODOS_PARAMS + 14]
+ (prodos[PRODOS_PARAMS + 15] << 8)
+ (prodos[PRODOS_PARAMS + 16] << 16)
+ (prodos[PRODOS_PARAMS + 17] << 24);
}
}
else
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_rename(unsigned char *from, unsigned char *to)
{
int result;
prodos_update_time();
a2write(pifd, PRODOS_DATA_BUFFER, from[0] + 1, from);
a2write(pifd, PRODOS_DATA_BUFFER + 256, to[0] + 1, to);
prodos[PRODOS_CMD] = PRODOS_RENAME;
prodos[PRODOS_PARAM_CNT] = 2;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER + 256);
prodos[PRODOS_PARAMS + 4] = (unsigned char) (PRODOS_DATA_BUFFER + 256) >> 8;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_destroy(unsigned char *prodos_path)
{
int result;
prodos_update_time();
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_DESTROY;
prodos[PRODOS_PARAM_CNT] = 1;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 2, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_create(unsigned char *prodos_path, char access, char type, int aux, int create)
{
int result;
prodos_update_time();
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_CREATE;
prodos[PRODOS_PARAM_CNT] = 7;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 3] = (unsigned char) access;
prodos[PRODOS_PARAMS + 4] = (unsigned char) type;
prodos[PRODOS_PARAMS + 5] = (unsigned char) aux;
prodos[PRODOS_PARAMS + 6] = (unsigned char) (aux >> 8);
prodos[PRODOS_PARAMS + 7] = type == 0x0F ? 0x0D : 0x01; // directory if type == 0x0F
prodos[PRODOS_PARAMS + 8] = (unsigned char) create;
prodos[PRODOS_PARAMS + 9] = (unsigned char) (create >> 8);
prodos[PRODOS_PARAMS + 10] = (unsigned char) (create >> 16);
prodos[PRODOS_PARAMS + 11] = (unsigned char) (create >> 24);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 11, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_read_block(int unit, char *data_buff, int block_num)
{
int result;
prodos[PRODOS_CMD] = PRODOS_READ_BLOCK;
prodos[PRODOS_PARAM_CNT] = 3;
prodos[PRODOS_PARAMS + 1] = (unsigned char) unit;
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) block_num;
prodos[PRODOS_PARAMS + 5] = (unsigned char) (block_num >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 5, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
a2read(pifd, PRODOS_DATA_BUFFER, 512, data_buff);
}
else
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_write_block(int unit, const char *data_buff, int block_num)
{
int result;
a2write(pifd, PRODOS_DATA_BUFFER, 512, (char *)data_buff);
prodos[PRODOS_CMD] = PRODOS_WRITE_BLOCK;
prodos[PRODOS_PARAM_CNT] = 3;
prodos[PRODOS_PARAMS + 1] = (unsigned char) unit;
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) block_num;
prodos[PRODOS_PARAMS + 5] = (unsigned char) (block_num >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 5, prodos);
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
return -result;
}
static int prodos_map_errno(int perr)
{
int uerr = 0;
if (perr)
{
switch (perr) /* Map ProDOS error to unix errno */
{
case -PRODOS_ERR_INVLD_PATH:
case -PRODOS_ERR_PATH_NOT_FND:
case -PRODOS_ERR_VOL_NOT_FND:
case -PRODOS_ERR_FILE_NOT_FND:
case -PRODOS_ERR_DUP_FILENAME:
case -PRODOS_ERR_UNSUPP_TYPE:
case -PRODOS_ERR_EOF:
uerr = -ENOENT;
break;
case -PRODOS_ERR_WR_PROT:
case -PRODOS_ERR_DSK_SWITCH:
case -PRODOS_ERR_ACCESS:
case -PRODOS_ERR_FILE_OPEN:
case -PRODOS_ERR_DUP_VOL:
case -PRODOS_ERR_VOL_DIR_FULL:
uerr = -EACCES;
break;
case -PRODOS_ERR_BAD_CMD:
case -PRODOS_ERR_BAD_COUNT:
case -PRODOS_ERR_INT_TBL_FULL:
case -PRODOS_ERR_IO:
case -PRODOS_ERR_INVLD_REFNUM:
case -PRODOS_ERR_NO_DEV:
case -PRODOS_ERR_INCOMPAT_FMT:
case -PRODOS_ERR_OVERRUN:
case -PRODOS_ERR_DIR_COUNT:
case -PRODOS_ERR_NOT_PRODOS:
case -PRODOS_ERR_INVLD_PARAM:
case -PRODOS_ERR_BAD_BITMAP:
case -PRODOS_ERR_BAD_BUF_ADDR:
case -PRODOS_ERR_UNKNOWN:
case -PRODOS_ERR_FCB_FULL:
case -PRODOS_ERR_VCB_FULL:
case -PRODOS_ERR_POS_RANGE:
uerr = -1;
}
}
return uerr;
}
/*
* FUSE functions.
*/
static int dirlen(const char *path)
{
int dl;
for (dl = strlen(path) - 1; dl >= 0; dl--)
if (path[dl] == '/')
return dl;
return -1;
}
static int cache_get_file_info(const char *path, int *access, int *type, int *aux, int *storage, int *numblks, int *size, int *mod, int *create)
{
char dirpath[128], filename[32];
unsigned char *entry, prodos_name[65], data_buff[512];
int refnum, iblk, entrylen, entriesblk, filecnt, io_buff = 0;
int iscached, slot, drive, i, dl, l = strlen(path);
if ((dl = dirlen(path)) == 0)
{
if (IS_RAW_DEV(l, path))
{
/*
* Raw device.
*/
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
*storage = 0x100;
*type = 0x00;
*access = raw_dev_write ? 0xC3 : 0x01;
*aux = 0;
*numblks = volblks[slot | (drive << 3)];
*size = *numblks*512;
*mod = 0;
*create = 0;
}
else
{
/*
* Volume directory.
*/
*storage = 0x0F;
*type = 0x0F;
*access = 0xC3;
*aux = 0;
*numblks = 0;
*size = 0;
*mod = 0;
*create = 0;
}
}
else
{
strncpy(dirpath, path, dl);
dirpath[dl] = '\0';
//printf("Match path %s to cached dir %s\n", dirpath, cachepath);
iscached =(strcmp(dirpath, cachepath) == 0);
if (iscached || (refnum = prodos_open(prodos_path(dirpath, NULL, NULL, NULL), &io_buff)) > 0)
{
strcpy(filename, path + dl + 1);
l = l - dl - 1;
if (l > 7 && filename[l - 7] == '#')
{
l -= 7;
filename[l] = '\0';
}
//printf("Match filename %s len %d\n", filename, l);
iblk = 0;
do
{
if (iscached || prodos_read(refnum, data_buff, 512) == 512)
{
if (iscached)
{
if (iblk == 0)
{
entrylen = cachedata[0][0x23];
entriesblk = cachedata[0][0x24];
filecnt = cachedata[0][0x25] + cachedata[0][0x26] * 256;
entry = &cachedata[0][4] + entrylen;
//printf("Cached entrylen = %d, filecnt = %d\n", entrylen, filecnt);
}
else
entry = &cachedata[iblk][4];
}
else
{
if (iblk == 0)
{
entrylen = data_buff[0x23];
entriesblk = data_buff[0x24];
filecnt = data_buff[0x25] + data_buff[0x26] * 256;
entry = &data_buff[4] + entrylen;
//printf("Uncached entrylen = %d, filecnt = %d\n", entrylen, filecnt);
}
else
entry = &data_buff[4];
}
for (i = (iblk == 0) ? 1 : 0; i < entriesblk && filecnt; i++)
{
if (entry[0])
{
//entry[(entry[0] & 0x0F) + 1] = 0; printf("Searching directory entry: %s len %d\n", entry + 1, entry[0] & 0x0F);
if ((entry[0] & 0x0F) == l)
{
//printf("Compare %s with %s\n", entry + 1, filename);
if (strncmp(entry + 1, filename, l) == 0)
{
*storage = entry[0x00] >> 4;
*type = entry[0x10];
*access = entry[0x1E];
*aux = entry[0x1F] + entry[0x20] * 256;
*numblks = entry[0x13] + entry[0x14] * 256;
*size = entry[0x15] + entry[0x16] * 256 + entry[0x17] * 65536;
*mod = entry[0x21] | (entry[0x22] << 8)
| (entry[0x23] << 16) | (entry[0x24] << 24);
*create = entry[0x18] | (entry[0x19] << 8)
| (entry[0x1A] << 16) | (entry[0x1B] << 24);
//printf("Cache hit: %s access = $%02X, type = $%02X, aux = $%04X, storage = $%02X, size = %d\n", filename, *access, *type, *aux, *storage, *size);
if (!iscached)
prodos_close(refnum, &io_buff);
return 0;
}
}
entry += entrylen;
filecnt--;
}
}
}
else
filecnt = 0;
iblk++;
} while (filecnt != 0);
if (!iscached)
prodos_close(refnum, &io_buff);
}
if (prodos_get_file_info(prodos_path(path, NULL, NULL, prodos_name), access, type, aux, storage, numblks, mod, create) == 0)
{
//printf("get_file_indfo: %s access = $%02X, type = $%02X, aux = $%04X, storage = $%02X\n", path, *access, *type, *aux, *storage);
if (*storage == 0x0F || *storage == 0x0D)
*size = 0;
else
{
if ((refnum = prodos_open(prodos_name, &io_buff) > 0))
{
*size = prodos_get_eof(refnum);
prodos_close(refnum, &io_buff);
}
else
return prodos_map_errno(refnum);
}
}
else
return -ENOENT;
}
return 0;
}
static int a2pi_getattr(const char *path, struct stat *stbuf)
{
int access, type, aux, storage, size, numblks, mod, create, refnum, err = 0, io_buff = 0;
if (strcmp(path, "/") == 0 || strcmp(path, ".") == 0 || strcmp(path, "..") == 0)
{
/*
* Root directory of volumes.
*/
unix_stat(stbuf, 0x0F, 0xC3, 0, 0, 0, 0);
}
else
{
/*
* Get file info.
*/
A2PI_WAIT;
if (cache_get_file_info(path, &access, &type, &aux, &storage, &numblks, &size, &mod, &create) == 0)
{
if (storage == 0x0F || storage == 0x0D)
size = 0;
unix_stat(stbuf, storage, access, numblks, size, mod, create);
}
else
err = -ENOENT;
A2PI_RELEASE;
}
return err;
}
static int a2pi_access(const char *path, int mask)
{
int storage, access, type, numblks, size, aux, mod, create, access_ok = 0;
A2PI_WAIT;
if (cache_get_file_info(path, &access, &type, &aux, &storage, &numblks, &size, &mod, &create) == 0)
{
//printf("Check access bits $%02X to mask 0x%02X\n", access, mask);
if ((mask & R_OK) && !(access & 0x01))
access_ok = -1;
if ((mask & W_OK) && ((access & 0xC2) != 0xC2))
access_ok = -1;
if ((mask & X_OK) && (type != 0x0F))
access_ok = -1;
}
else
access_ok = -1;
A2PI_RELEASE;
return access_ok;
}
static int a2pi_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
unsigned char data_buff[512], filename[16], *entry;
int storage, access, type, blocks, size, aux, mod, create, err = 0;
int i, l, iscached, slot, drive, refnum, iblk, entrylen, entriesblk, filecnt, io_buff = 0;
struct stat stentry, straw;
(void) offset;
(void) fi;
if (strcmp(path, "/") == 0)
{
/*
* Root directory, fill with volume names.
*/
unix_stat(&stentry, 0x0F, 0xC3, 0, 0, 0, 0);
filler(buf, ".", &stentry, 0);
filler(buf, "..", &stentry, 0);
for (i = 0; i < 256; i += 16)
if ((l = volumes[i] & 0x0F))
{
/*
* Add volume directory.
*/
strncpy(filename, volumes + i + 1, l);
filename[l] = '\0';
filler(buf, filename, &stentry, 0);
}
memset(&straw, 0, sizeof(struct stat));
for (i = 0; i < 16; i++)
if (volblks[i] > 0)
{
/*
* Add raw device.
*/
slot = i & 0x07;
drive = (i >> 3) & 0x01;
strcpy(filename, "s0d0.po");
filename[1] = slot + '0';
filename[3] = drive + '1';
straw.st_mode = raw_dev_write ? S_IFREG | 0644 : S_IFREG | 0444;
straw.st_nlink = 1;
straw.st_blocks = volblks[i];
straw.st_size = straw.st_blocks * 512;
filler(buf, filename, &straw, 0);
}
}
else
{
/*
* Read ProDOS directory.
*/
iscached = (strcmp(path, cachepath) == 0);
A2PI_WAIT;
if (iscached || (refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
unix_stat(&stentry, 0x0F, 0xC3, 0, 0, 0, 0);
filler(buf, ".", &stentry, 0);
filler(buf, "..", &stentry, 0);
iblk = 0;
do
{
//if (!iscached) printf("Fill cache block %d\n", iblk);
if (iscached || prodos_read(refnum, cachedata[iblk], 512) == 512)
{
entry = &cachedata[iblk][4];
if (iblk == 0)
{
entrylen = cachedata[0][0x23];
entriesblk = cachedata[0][0x24];
filecnt = cachedata[0][0x25] + cachedata[0][0x26] * 256;
entry = entry + entrylen;
//printf("Fill cache entrylen = %d, filecnt = %d\n", entrylen, filecnt);
}
for (i = (iblk == 0) ? 1 : 0; i < entriesblk && filecnt; i++)
{
if ((l = entry[0x00] & 0x0F) != 0)
{
storage = entry[0x00] >> 4;
type = entry[0x10];
access = entry[0x1E];
aux = entry[0x1F] + entry[0x20] * 256;
blocks = entry[0x13] + entry[0x14] * 256;
size = entry[0x15] + entry[0x16] * 256 + entry[0x17] * 65536;
mod = entry[0x21] | (entry[0x22] << 8)
| (entry[0x23] << 16) | (entry[0x24] << 24);
create = entry[0x18] | (entry[0x19] << 8)
| (entry[0x1A] << 16) | (entry[0x1B] << 24);
filler(buf, unix_name(entry, type, aux, NULL), unix_stat(&stentry, storage, access, blocks, size, mod, create), 0);
entry += entrylen;
filecnt--;
}
}
if (++iblk > CACHE_BLOCKS_MAX)
{
//printf("Cache overfill!\n");
path[0] == '\0'; /* invalidate cache path */
iblk = 1; /* wrap iblk around */
}
}
else
filecnt = 0;
} while (filecnt != 0);
if (!iscached)
{
//printf("Cache %d directory blocks\n", iblk);
prodos_close(refnum, &io_buff);
strcpy(cachepath, path);
}
}
else
err = -ENOENT;
A2PI_RELEASE;
}
return err;
}
static int a2pi_mkdir(const char *path, mode_t mode)
{
int err;
if (IS_ROOT_DIR(path))
return -EACCES;
A2PI_WAIT;
cachepath[0] = '\0';
err = prodos_map_errno(prodos_create(prodos_path(path, NULL, NULL, NULL), 0xE3, 0x0F, 0, 0));
A2PI_RELEASE;
return err;
}
static int a2pi_remove(const char *path)
{
int err;
if (IS_ROOT_DIR(path))
return -EACCES;
A2PI_WAIT;
cachepath[0] = '\0';
err = prodos_map_errno(prodos_destroy(prodos_path(path, NULL, NULL, NULL)));
A2PI_RELEASE;
return err;
}
static int a2pi_rename(const char *from, const char *to)
{
unsigned char prodos_from[65], prodos_to[65], err;
if (IS_ROOT_DIR(from) || IS_ROOT_DIR(to))
return -EACCES;
prodos_path(from, NULL, NULL, prodos_from);
prodos_path(to, NULL, NULL, prodos_to);
A2PI_WAIT;
cachepath[0] = '\0';
err = prodos_map_errno(prodos_rename(prodos_from, prodos_to));
A2PI_RELEASE;
return err;
}
static int a2pi_chmod(const char *path, mode_t mode)
{
int access, type, aux, storage, size, numblks, mod, create, err;
if (IS_ROOT_DIR(path))
return -EACCES;
A2PI_WAIT;
if (cache_get_file_info(path, &access, &type, &aux, &storage, &numblks, &size, &mod, &create) == 0)
{
access = (mode & 0x04) ? 0x01 : 0x00;
access |= (mode & 0x02) ? 0xC2 : 0x00;
cachepath[0] = '\0';
err = prodos_map_errno(prodos_set_file_info(prodos_path(path, NULL, NULL, NULL), access, type, aux, 0, 0));
}
else
err = -ENOENT;
A2PI_RELEASE;
return err;
}
static int a2pi_truncate(const char *path, off_t size)
{
int refnum, err, io_buff = 0;
if (IS_ROOT_DIR(path))
return -EACCES;
A2PI_WAIT;
cachepath[0] = '\0';
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
prodos_set_eof(refnum, size);
err = prodos_map_errno(prodos_close(refnum, &io_buff));
}
else
err = prodos_map_errno(refnum);
A2PI_RELEASE;
return err;
}
static int a2pi_open(const char *path, struct fuse_file_info *fi)
{
int slot, drive, refnum, err, io_buff = 0;
if (IS_ROOT_DIR(path))
{
if (IS_RAW_DEV(strlen(path), path))
{
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
if (volblks[slot | (drive << 3)] > 0)
return 0;
}
return -ENOENT;
}
A2PI_WAIT;
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
err = prodos_map_errno(prodos_close(refnum, &io_buff));
else
err = prodos_map_errno(refnum);
A2PI_RELEASE;
return err;
}
static int a2pi_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
int slot, drive, unit, devsize, blkcnt, iblk, refnum, io_buff = 0;
if (IS_ROOT_DIR(path))
{
if (IS_RAW_DEV(strlen(path), path))
{
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
unit = (slot << 4) | (drive << 7);
devsize = volblks[slot | (drive << 3)] * 512;
if (offset > devsize)
return 0;
if ((offset + size) > devsize)
size = devsize - offset;
if (offset & 0x01FF)
return 0; /* force block aligned reads */
if (size & 0x01FF)
return 0; /* force block sized reads */
blkcnt = size >> 9;
iblk = offset >> 9;
while (blkcnt--)
{
A2PI_WAIT;
refnum = prodos_read_block(unit, buf, iblk);
A2PI_RELEASE;
if (refnum < 0)
return prodos_map_errno(refnum);
buf += 512;
iblk++;
}
return size;
}
return -ENOENT;
}
A2PI_WAIT;
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
if (offset && prodos_set_mark(refnum, offset) == -PRODOS_ERR_EOF)
size = 0;
if (size)
size = prodos_read(refnum, buf, size);
if (size == -PRODOS_ERR_EOF)
size = 0;
prodos_close(refnum, &io_buff);
}
else
size = prodos_map_errno(refnum);
A2PI_RELEASE;
return size;
}
static int a2pi_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
int slot, drive, unit, devsize, blkcnt, iblk, refnum, io_buff = 0;
A2PI_WAIT;
cachepath[0] = '\0';
A2PI_RELEASE;
if (IS_ROOT_DIR(path))
{
if (raw_dev_write)
{
if (IS_RAW_DEV(strlen(path), path))
{
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
unit = (slot << 4) | (drive << 7);
devsize = volblks[slot | (drive << 3)] * 512;
if (offset > devsize)
return 0;
if ((offset + size) > devsize)
size = devsize - offset;
if (offset & 0x01FF)
return 0; /* force block aligned writes */
if (size & 0x01FF)
return 0; /* force block sized writes */
blkcnt = size >> 9;
iblk = offset >> 9;
while (blkcnt--)
{
A2PI_WAIT;
refnum = prodos_write_block(unit, buf, iblk);
A2PI_RELEASE;
if (refnum < 0)
return prodos_map_errno(refnum);
buf += 512;
iblk++;
}
return size;
}
return -ENOENT;
}
else
return -EACCES;
}
A2PI_WAIT;
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
if (offset)
prodos_set_mark(refnum, offset);
if (size)
size = prodos_write(refnum, buf, size);
prodos_close(refnum, &io_buff);
}
else
size = prodos_map_errno(refnum);
A2PI_RELEASE;
return size;
}
int a2pi_flush(const char *path, struct fuse_file_info *fi)
{
return 0;
}
static int a2pi_create(const char * path, mode_t mode, struct fuse_file_info *fi)
{
unsigned char prodos_name[65];
int refnum, type, aux, err = 0, io_buff = 0;
if (IS_ROOT_DIR(path))
return -EACCES;
A2PI_WAIT;
cachepath[0] = '\0';
if ((refnum = prodos_open(prodos_path(path, &type, &aux, prodos_name), &io_buff)) == -PRODOS_ERR_FILE_NOT_FND)
{
err = prodos_map_errno(prodos_create(prodos_name, 0xC3, type, aux, 0));
}
else if (refnum > 0)
{
prodos_set_eof(refnum, 0);
prodos_close(refnum, &io_buff);
}
else
err = prodos_map_errno(refnum);
A2PI_RELEASE;
return err;
}
static int a2pi_statfs(const char *path, struct statvfs *stbuf)
{
unsigned char voldir[16], voldata[512];
int i, storage, access, type, numblks, aux, mod, create, err = 0;
memset(stbuf, 0, sizeof(struct statvfs));
/*
* Copy first element of path = volume directory.
*/
voldir[1] = '/';
for (i = 1; path[i] && path[i] != '/'; i++)
voldir[i + 1] = path[i];
voldir[0] = i;
A2PI_WAIT;
if ((prodos_get_file_info(voldir, &access, &type, &aux, &storage, &numblks, &mod, &create)) > 0)
{
stbuf->f_bsize = 512;
stbuf->f_fsid = 0xa2;
stbuf->f_namemax = 22; /* include space for #typeattrib */
stbuf->f_blocks = aux;
stbuf->f_bfree =
stbuf->f_bavail = aux - numblks;
}
else
err = -1;
A2PI_RELEASE;
return err;
}
int a2pi_utimens(const char *path, const struct timespec tv[2])
{
int access, type, aux, storage, size, numblks, mod, create, refnum, err, io_buff = 0;
struct tm *tm = localtime(&tv[1].tv_sec);
cachepath[0] = '\0';
/*
* Get file info.
*/
A2PI_WAIT;
if (cache_get_file_info(path, &access, &type, &aux, &storage, &numblks, &size, &mod, &create) == 0)
err = prodos_map_errno(prodos_set_file_info(prodos_path(path, NULL, NULL, NULL),
access,
type,
aux,
prodos_time(tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min),
0));
else
err = -ENOENT;
A2PI_RELEASE;
return err;
}
static struct fuse_operations a2pi_oper = {
.getattr = a2pi_getattr,
.access = a2pi_access,
.readdir = a2pi_readdir,
.mkdir = a2pi_mkdir,
.unlink = a2pi_remove,
.rmdir = a2pi_remove,
.rename = a2pi_rename,
.chmod = a2pi_chmod,
.truncate = a2pi_truncate,
.open = a2pi_open,
.read = a2pi_read,
.write = a2pi_write,
.flush = a2pi_flush,
.create = a2pi_create,
.statfs = a2pi_statfs,
.utimens = a2pi_utimens,
};
int main(int argc, char *argv[])
{
int i, l, access, type, aux, storage, size, numblks, mod, create;
char volpath[17];
pifd = a2open("127.0.0.1");
if (pifd < 0)
{
perror("Unable to connect to Apple II Pi");
exit(EXIT_FAILURE);
}
prodos_close(0, NULL);
if (prodos_on_line(0, volumes))
exit(-1);
for (i = 0; i < 256; i += 16)
if ((l = volumes[i] & 0x0F) != 0)
{
/*
* Get volume size.
*/
strncpy(volpath + 2, volumes + i + 1, l);
volpath[0] = l + 1;
volpath[1] = '/';
prodos_get_file_info(volpath, &access, &type, &aux, &storage, &numblks, &mod, &create);
volblks[volumes[i] >> 4] = aux;
}
/*
* Always add 5 1/4 floppy raw devices.
*/
if (volblks[0x06] == 0)
volblks[0x06] = 280;
if (volblks[0x0E] == 0)
volblks[0x0E] = 280;
if (strcmp(argv[argc - 1], "+rw") == 0)
{
raw_dev_write = TRUE;
write_perms = 0220;
argc--;
}
umask(0);
return fuse_main(argc, argv, &a2pi_oper, NULL);
}