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-rw-r--r--src/mess/tools/imgtool/modules/amiga.c2411
1 files changed, 0 insertions, 2411 deletions
diff --git a/src/mess/tools/imgtool/modules/amiga.c b/src/mess/tools/imgtool/modules/amiga.c
deleted file mode 100644
index 7723748cbd2..00000000000
--- a/src/mess/tools/imgtool/modules/amiga.c
+++ /dev/null
@@ -1,2411 +0,0 @@
-// license:GPL-2.0+
-// copyright-holders:Dirk Best
-/****************************************************************************
-
- amiga.c
-
- Amiga floppies
-
-****************************************************************************/
-
-
-/*****************************************************************************
- Includes
-*****************************************************************************/
-
-
-#include <time.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "imgtool.h"
-#include "iflopimg.h"
-#include "formats/imageutl.h"
-
-
-
-/*****************************************************************************
- Data structures
-*****************************************************************************/
-
-
-#define BSIZE (512) /* Block size is always 512 bytes for floppies */
-#define TSIZE ((BSIZE/4) - 56) /* Size of data tables */
-#define MSIZE ((BSIZE/4) - 1) /* Size of bitmaps */
-
-
-enum disk_type
-{
- DT_UNKNOWN = -1,
- DT_OFS = 0,
- DT_FFS = 1,
- DT_OFS_INTL = 2,
- DT_FFS_INTL = 3,
- DT_OFS_INTL_DIRC = 4,
- DT_FFS_INTL_DIRC = 5
-};
-
-
-enum
-{
- T_INVALID = 0,
- T_HEADER = 2,
- T_DATA = 8,
- T_LIST = 16,
- T_DIRCACHE = 33
-};
-
-
-enum sec_type
-{
- ST_INVALID = 0,
- ST_ROOT = 1,
- ST_USERDIR = 2,
- ST_FILE = -3,
- ST_LINKFILE = -4,
- ST_LINKDIR = 4,
- ST_SOFTLINK = 3
-};
-
-
-struct amiga_date
-{
- UINT32 days; /* days since 1 jan 78 */
- UINT32 mins; /* minutes past midnight */
- UINT32 ticks; /* ticks (1/50 sec) past last minute */
-};
-
-
-struct root_block
-{
- UINT32 ht_size; /* Hash table size in long */
- UINT32 chksum; /* Rootblock checksum */
- UINT32 ht[TSIZE]; /* Hash table (entry block number) */
- UINT32 bm_flag; /* bitmap flag, -1 means VALID */
- UINT32 bm_pages[25]; /* bitmap blocks pointers (first one at bm_pages[0]) */
- amiga_date r; /* last root alteration date */
- UINT8 name_len; /* volume name length */
- UINT8 diskname[30]; /* volume name */
- amiga_date v; /* last disk alteration date */
- amiga_date c; /* filesystem creation date */
- UINT32 extension; /* FFS: first directory cache block, 0 otherwise */
-};
-
-
-struct bitmap_block
-{
- UINT32 chksum; /* checksum, normal algorithm */
- UINT32 map[MSIZE]; /* bitmap */
-};
-
-
-struct bitmap_ext_block
-{
- UINT32 map[MSIZE]; /* bitmap */
- UINT32 next; /* next extension block */
-};
-
-
-struct file_block
-{
- UINT32 header_key; /* self pointer (to this block) */
- UINT32 high_seq; /* number of data block ptr stored here */
- UINT32 first_data; /* first data block ptr */
- UINT32 chksum; /* same algorithm as rootblock */
- UINT32 data_blocks[TSIZE]; /* data blk ptr */
- UINT16 uid; /* UserID */
- UINT16 gid; /* GroupID */
- UINT32 protect; /* protection flags (0 by default) */
- UINT32 byte_size; /* file size in bytes */
- UINT8 comm_len; /* file comment length */
- UINT8 comment[79]; /* comment (max. 79 chars permitted) */
- amiga_date date; /* last change date */
- UINT8 name_len; /* filename length */
- UINT8 filename[30]; /* filename (max. 30 chars permitted) */
- UINT32 real_entry; /* FFS: unused, set to 0 */
- UINT32 next_link; /* FFS: hardlinks chained list (first == newest */
- UINT32 hash_chain; /* next entry ptr with same hash */
- UINT32 parent; /* parent directory */
- UINT32 extension; /* pointer to 1st file extension block */
-};
-
-
-struct file_ext_block
-{
- UINT32 header_key; /* self pointer (to this block) */
- UINT32 high_seq; /* number of data block ptr stored here */
- UINT32 chksum; /* same algorithm as rootblock */
- UINT32 data_blocks[TSIZE]; /* data blk ptr */
- UINT32 parent; /* file header block */
- UINT32 extension; /* pointer to next file extension block */
-};
-
-
-struct data_block
-{
- UINT32 header_key; /* self pointer (to this block) */
- UINT32 seq_num; /* file data block number */
- UINT32 data_size; /* data size */
- UINT32 next_data; /* next data block ptr */
- UINT32 chksum; /* checksum, rootblock algorithm */
- UINT8 data[BSIZE-24]; /* file data */
-};
-
-
-struct dir_block
-{
- UINT32 header_key; /* self pointer (to this block) */
- UINT32 chksum; /* same algorithm as rootblock */
- UINT32 ht[TSIZE]; /* hash table (entry block number) */
- UINT8 uid; /* UserID */
- UINT8 gid; /* GroupID */
- UINT32 protect; /* protection flags (0 by default) */
- UINT8 comm_len; /* file comment length */
- UINT8 comment[79]; /* comment (max. 79 chars permitted) */
- amiga_date date; /* last access date */
- UINT8 name_len; /* directory name length */
- UINT8 dirname[30]; /* directory name (max. 30 chars permitted) */
- UINT32 next_link; /* FFS: hardlinks chained list (first == newest */
- UINT32 hash_chain; /* next entry ptr with same hash */
- UINT32 parent; /* parent directory */
- UINT32 extension; /* FFS: first directory cache block */
-};
-
-
-struct hardlink_block
-{
- UINT32 header_key; /* self pointer (to this block) */
- UINT32 chksum; /* same algorithm as rootblock */
- UINT32 protect; /* protection flags (0 by default) */
- UINT8 comm_len; /* file comment length */
- UINT8 comment[79]; /* comment (max. 79 chars permitted) */
- amiga_date date; /* last access date */
- UINT8 name_len; /* hard link name length */
- UINT8 hlname[30]; /* hard link name (max. 30 chars permitted) */
- UINT32 real_entry; /* FFS: pointer to "real" file or directory */
- UINT32 next_link; /* FFS: hardlinks chained list (first == newest */
- UINT32 hash_chain; /* next entry ptr with same hash */
- UINT32 parent; /* parent directory */
- UINT32 sec_type; /* secondary type, ST_LINKFILE/ST_LINKDIR */
-};
-
-
-struct softlink_block
-{
- UINT32 header_key; /* self pointer (to this block) */
- UINT32 chksum; /* same algorithm as rootblock */
- UINT8 symbolic_name[BSIZE-224]; /* path name to referenced object */
- UINT32 protect; /* protection flags (0 by default) */
- UINT8 comm_len; /* file comment length */
- UINT8 comment[79]; /* comment (max. 79 chars permitted) */
- amiga_date date; /* last access date */
- UINT8 name_len; /* soft link name length */
- UINT8 slname[30]; /* soft link name (max. 30 chars permitted) */
- UINT32 hash_chain; /* next entry ptr with same hash */
- UINT32 parent; /* parent directory */
-};
-
-
-/* Basic Amiga floppy disk image info */
-struct amiga_floppy
-{
- imgtool_stream *stream;
- UINT8 sectors;
-};
-
-
-/* iterator used to walk through directory entries */
-struct amiga_iterator
-{
- unsigned int index; /* current file index */
- int block; /* block number we are iterating */
- UINT32 next_block; /* next block in hash chain */
- int ht_index; /* current index in the hash table */
- unsigned int eof : 1; /* end of file listing reached? */
-};
-
-
-/*****************************************************************************
- Prototypes
-*****************************************************************************/
-
-
-static imgtoolerr_t amiga_image_read_sector(imgtool_image* img,
- UINT32 track, UINT32 head, UINT32 sector, void *buf, size_t len);
-static imgtoolerr_t amiga_image_write_sector(imgtool_image* img,
- UINT32 track, UINT32 head, UINT32 sector, const void *buf, size_t len, int ddam);
-
-
-
-/*****************************************************************************
- Utility functions
-*****************************************************************************/
-
-
-/* Amiga version of the toupper function */
-static int intl_toupper(int c)
-{
- return (c>='a' && c<='z') || (c>=224 && c<=254 && c!=247) ? c - ('a'-'A') : c ;
-}
-
-
-/* Amiga filename case insensitive string compare */
-static int intl_stricmp(const char *s1, const char *s2)
-{
- for (;;)
- {
- int c1 = intl_toupper(*s1++);
- int c2 = intl_toupper(*s2++);
-
- if (c1 == 0 || c1 != c2)
- return c1 - c2;
- }
-}
-
-
-/* Calculate the hash value for a filename */
-static int hash_name(const char *name, int intl)
-{
- int i, l = strlen(name);
- UINT32 hash = l;
-
- for(i = 0; i < l; i++)
- {
- hash *= 13;
- hash += (UINT8) (intl ? intl_toupper(name[i]) : toupper(name[i]));
- hash &= 0x7ff;
- }
-
- return hash % TSIZE; /* 0 < hash < 71 in case of BSIZE=512 */
-}
-
-
-/* Returns TRUE if year is a leap year */
-static int is_leap(int year)
-{
- return ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);
-}
-
-
-/* Convert amiga time to standard time */
-static time_t amiga_crack_time(amiga_date *date)
-{
- int month_days[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
- int year = 1978, month = 1, year_days = 365; /* base date */
- int day = date->days;
- struct tm t;
-
- /* initialize struct */
- memset(&t, 0, sizeof(t));
-
- /* first calculate the year */
- while (day >= year_days)
- {
- day -= year_days;
- year_days = is_leap(++year) ? 366 : 365;
- }
-
- /* then the month */
- while(day >= month_days[month-1])
- {
- day -= month_days[month-1];
- if (month == 2 && is_leap(year))
- day -= 1;
- month++;
- }
-
- /* fill the struct with our calculated values */
- t.tm_year = year - 1900;
- t.tm_mon = month - 1;
- t.tm_mday = day + 1;
- t.tm_hour = date->mins / 60;
- t.tm_min = date->mins % 60;
- t.tm_sec = date->ticks / 50;
-
- return mktime(&t);
-}
-
-
-/* convert standard time to amiga time */
-static void amiga_setup_time(time_t time, amiga_date *dest)
-{
- struct tm t = *localtime(&time);
- int year;
-
- dest->days = 0;
-
- for (year = 1978; year < t.tm_year + 1900; year++)
- {
- dest->days += is_leap(year) ? 366 : 365;
- }
-
- dest->days += t.tm_yday;
- dest->mins = t.tm_hour * 60 + t.tm_min;
- dest->ticks = t.tm_sec * 50;
-}
-
-
-/* convert flags to human readable form */
-static void amiga_decode_flags(UINT32 flags, char *dest)
-{
- /* test for flags */
- dest[0] = (flags & 0x80) ? 'h' : '-';
- dest[1] = (flags & 0x40) ? 's' : '-';
- dest[2] = (flags & 0x20) ? 'p' : '-';
- dest[3] = (flags & 0x10) ? 'a' : '-';
- dest[4] = (flags & 0x08) ? '-' : 'r';
- dest[5] = (flags & 0x04) ? '-' : 'w';
- dest[6] = (flags & 0x02) ? '-' : 'e';
- dest[7] = (flags & 0x01) ? '-' : 'd';
- dest[8] = '\0';
-}
-
-
-static void copy_integer_array_be(UINT32 *dest, const UINT32 *source, int size)
-{
- int i;
-
- for (i = 0; i < size; i++)
- {
- dest[i] = BIG_ENDIANIZE_INT32(source[i]);
- }
-}
-
-
-/* This function converts an array of UINT32s to an amiga_date */
-static void copy_date_be(amiga_date *dest, const UINT32 *source)
-{
- dest->days = BIG_ENDIANIZE_INT32(source[0]);
- dest->mins = BIG_ENDIANIZE_INT32(source[1]);
- dest->ticks = BIG_ENDIANIZE_INT32(source[2]);
-}
-
-
-/* Calculate the block checksum of a byte array */
-static UINT32 block_checksum(UINT8 *buffer, int length)
-{
- UINT32 chksum = 0;
- int i;
-
- for (i = 0; i < length/4; i++)
- {
- chksum += pick_integer_be(buffer, i*4, 4);
- }
-
- return -chksum;
-}
-
-
-/* Returns the total number of blocks in the image */
-static int get_total_blocks(imgtool_image *img)
-{
- amiga_floppy *f = (amiga_floppy *)imgtool_image_extra_bytes(img);
-
- return 2 * 80 * f->sectors;
-}
-
-
-/* Returns track, head and sector for a block */
-static void find_block(amiga_floppy *f, int block, int *track,
- int *head, int *sector)
-{
- *track = block / f->sectors;
- *head = (block - *track * f->sectors) / f->sectors;
- *sector = (block - *track * f->sectors) % f->sectors;
-}
-
-
-/* Generic read block */
-static imgtoolerr_t read_block(imgtool_image *img, int block, UINT8 *buffer)
-{
- imgtoolerr_t ret;
- int track, head, sector;
-
- find_block((amiga_floppy *) imgtool_image_extra_bytes(img), block, &track, &head, &sector);
-
- /* get block from image */
- ret = amiga_image_read_sector(img, track, head, sector, buffer, BSIZE);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Generic write block */
-static imgtoolerr_t write_block(imgtool_image *img, int block, const UINT8 *buffer)
-{
- imgtoolerr_t ret;
- int track, head, sector;
-
- find_block((amiga_floppy *) imgtool_image_extra_bytes(img), block, &track, &head, &sector);
-
- /* write block to image */
- ret = amiga_image_write_sector(img, track, head, sector, buffer, BSIZE, 0);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Return the type a block */
-static sec_type get_block_type(imgtool_image *img, int block)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* get data */
- ret = read_block(img, block, buffer);
- if (ret) return ST_INVALID;
-
- /* return type */
- switch ((INT32) pick_integer_be(buffer, BSIZE-4, 4))
- {
- case 1: return ST_ROOT;
- case 2: return ST_USERDIR;
- case -3: return ST_FILE;
- case -4: return ST_LINKFILE;
- case 4: return ST_LINKDIR;
- case 3: return ST_SOFTLINK;
- default: return ST_INVALID;
- }
-}
-
-
-/* Read a bitmap block */
-static imgtoolerr_t read_bitmap_block(imgtool_image *img, int block, bitmap_block *bm)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- bm->chksum = pick_integer_be(buffer, 0, 4);
- copy_integer_array_be(bm->map, (UINT32 *) &buffer[4], MSIZE);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Write a bitmap block */
-static imgtoolerr_t write_bitmap_block(imgtool_image *img, int block, const bitmap_block *bm)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* Setup buffer */
- place_integer_be(buffer, 0, 4, bm->chksum);
- copy_integer_array_be((UINT32 *) &buffer[4], bm->map, MSIZE);
-
- /* write block */
- ret = write_block(img, block, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-#ifdef UNUSED_FUNCTION
-/* Read a bitmap extended block */
-static imgtoolerr_t read_bitmap_ext_block(imgtool_image *img, int block, bitmap_ext_block *bm)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- copy_integer_array_be(bm->map, (UINT32 *) &buffer, MSIZE);
- bm->next = pick_integer_be(buffer, BSIZE-4, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-#endif
-
-
-/* Read the root block */
-static imgtoolerr_t read_root_block(imgtool_image *img, root_block *root)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* get raw root block from image */
- ret = read_block(img, get_total_blocks(img)/2, buffer);
- if (ret) return ret;
-
- /* copy data to root_block */
- memset(root, 0, sizeof(root_block));
-
- root->ht_size = pick_integer_be(buffer, 12, 4);
- root->chksum = pick_integer_be(buffer, 20, 4);
- copy_integer_array_be(root->ht, (UINT32 *) &buffer[24], TSIZE);
- root->bm_flag = pick_integer_be(buffer, BSIZE-200, 4);
- copy_integer_array_be(root->bm_pages, (UINT32 *) &buffer[BSIZE-196], 25);
- copy_date_be(&root->r, (UINT32 *) &buffer[BSIZE-92]);
- root->name_len = pick_integer_be(buffer, BSIZE-80, 1);
- memcpy(root->diskname, &buffer[BSIZE-79], 30);
- copy_date_be(&root->v, (UINT32 *) &buffer[BSIZE-40]);
- copy_date_be(&root->c, (UINT32 *) &buffer[BSIZE-28]);
- root->extension = pick_integer_be(buffer, BSIZE-8, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t write_root_block(imgtool_image *img, const root_block *root)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* Setup buffer */
- memset(buffer, 0, BSIZE);
-
- place_integer_be(buffer, 0, 4, T_HEADER);
- place_integer_be(buffer, 12, 4, root->ht_size);
- place_integer_be(buffer, 20, 4, root->chksum);
- copy_integer_array_be((UINT32 *) &buffer[24], root->ht, TSIZE);
- place_integer_be(buffer, BSIZE-200, 4, root->bm_flag);
- copy_integer_array_be((UINT32 *) &buffer[BSIZE-196], root->bm_pages, 25);
- place_integer_be(buffer, BSIZE-92, 4, root->r.days);
- place_integer_be(buffer, BSIZE-88, 4, root->r.mins);
- place_integer_be(buffer, BSIZE-84, 4, root->r.ticks);
- place_integer_be(buffer, BSIZE-80, 1, root->name_len);
- memcpy(&buffer[BSIZE-79], root->diskname, root->name_len);
- place_integer_be(buffer, BSIZE-40, 4, root->v.days);
- place_integer_be(buffer, BSIZE-36, 4, root->v.mins);
- place_integer_be(buffer, BSIZE-32, 4, root->v.ticks);
- place_integer_be(buffer, BSIZE-28, 4, root->c.days);
- place_integer_be(buffer, BSIZE-24, 4, root->c.mins);
- place_integer_be(buffer, BSIZE-20, 4, root->c.ticks);
- place_integer_be(buffer, BSIZE-8, 4, root->extension);
- place_integer_be(buffer, BSIZE-4, 4, ST_ROOT);
-
- /* write root block to image */
- ret = write_block(img, get_total_blocks(img)/2, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Read a file block */
-static imgtoolerr_t read_file_block(imgtool_image *img, int block, file_block *fb)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- fb->header_key = pick_integer_be(buffer, 4, 4);
- fb->high_seq = pick_integer_be(buffer, 8, 4);
- fb->first_data = pick_integer_be(buffer, 16, 4);
- fb->chksum = pick_integer_be(buffer, 20, 4);
- copy_integer_array_be(fb->data_blocks, (UINT32 *) &buffer[24], TSIZE);
- fb->uid = pick_integer_be(buffer, BSIZE-196, 2);
- fb->gid = pick_integer_be(buffer, BSIZE-194, 2);
- fb->protect = pick_integer_be(buffer, BSIZE-192, 4);
- fb->byte_size = pick_integer_be(buffer, BSIZE-188, 4);
- fb->comm_len = pick_integer_be(buffer, BSIZE-184, 1);
- memcpy(fb->comment, &buffer[BSIZE-183], 79);
- copy_date_be(&fb->date, (UINT32 *) &buffer[BSIZE-92]);
- fb->name_len = pick_integer_be(buffer, BSIZE-80, 1);
- memcpy(fb->filename, (UINT32 *) &buffer[BSIZE-79], 30);
- fb->real_entry = pick_integer_be(buffer, BSIZE-44, 4);
- fb->next_link = pick_integer_be(buffer, BSIZE-40, 4);
- fb->hash_chain = pick_integer_be(buffer, BSIZE-16, 4);
- fb->parent = pick_integer_be(buffer, BSIZE-12, 4);
- fb->extension = pick_integer_be(buffer, BSIZE-8, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t read_file_ext_block(imgtool_image *img, int block, file_ext_block *fe)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- fe->header_key = pick_integer_be(buffer, 4, 4);
- fe->high_seq = pick_integer_be(buffer, 8, 4);
- fe->chksum = pick_integer_be(buffer, 20, 4);
- copy_integer_array_be(fe->data_blocks, (UINT32 *) &buffer[24], TSIZE);
- fe->parent = pick_integer_be(buffer, BSIZE-12, 4);
- fe->extension = pick_integer_be(buffer, BSIZE-8, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t read_data_block(imgtool_image *img, int block, data_block *d)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- d->header_key = pick_integer_be(buffer, 4, 4);
- d->seq_num = pick_integer_be(buffer, 8, 4);
- d->data_size = pick_integer_be(buffer, 12, 4);
- d->next_data = pick_integer_be(buffer, 16, 4);
- d->chksum = pick_integer_be(buffer, 20, 4);
- memcpy(d->data, &buffer[24], BSIZE-24);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Read a directory block */
-static imgtoolerr_t read_dir_block(imgtool_image *img, int block, dir_block *db)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- db->header_key = pick_integer_be(buffer, 4, 4);
- db->chksum = pick_integer_be(buffer, 20, 4);
- copy_integer_array_be(db->ht, (UINT32 *) &buffer[24], TSIZE);
- db->uid = pick_integer_be(buffer, BSIZE-196, 2);
- db->gid = pick_integer_be(buffer, BSIZE-194, 2);
- db->protect = pick_integer_be(buffer, BSIZE-192, 4);
- db->comm_len = pick_integer_be(buffer, BSIZE-184, 1);
- memcpy(db->comment, &buffer[BSIZE-183], 79);
- copy_date_be(&db->date, (UINT32 *) &buffer[BSIZE-92]);
- db->name_len = pick_integer_be(buffer, BSIZE-80, 1);
- memcpy(db->dirname, (UINT32 *) &buffer[BSIZE-79], 30);
- db->next_link = pick_integer_be(buffer, BSIZE-40, 4);
- db->hash_chain = pick_integer_be(buffer, BSIZE-16, 4);
- db->parent = pick_integer_be(buffer, BSIZE-12, 4);
- db->extension = pick_integer_be(buffer, BSIZE-8, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t write_dir_block(imgtool_image *img, int block, const dir_block *db)
-{
- UINT8 buffer[BSIZE];
-
- /* Setup buffer */
- memset(buffer, 0, BSIZE);
-
- /* Copy data */
- place_integer_be(buffer, 0, 4, T_HEADER);
- place_integer_be(buffer, 4, 4, db->header_key);
- place_integer_be(buffer, 20, 4, db->chksum);
- copy_integer_array_be((UINT32 *) &buffer[24], db->ht, TSIZE);
- place_integer_be(buffer, BSIZE-196, 2, db->uid);
- place_integer_be(buffer, BSIZE-194, 2, db->gid);
- place_integer_be(buffer, BSIZE-192, 4, db->protect);
- place_integer_be(buffer, BSIZE-184, 1, db->comm_len);
- memcpy((UINT32 *) &buffer[BSIZE-183], db->comment, db->comm_len);
- place_integer_be(buffer, BSIZE-92, 4, db->date.days);
- place_integer_be(buffer, BSIZE-88, 4, db->date.mins);
- place_integer_be(buffer, BSIZE-84, 4, db->date.ticks);
- place_integer_be(buffer, BSIZE-80, 1, db->name_len);
- memcpy((UINT32 *) &buffer[BSIZE-79], db->dirname, db->name_len);
- place_integer_be(buffer, BSIZE-40, 4, db->next_link);
- place_integer_be(buffer, BSIZE-16, 4, db->hash_chain);
- place_integer_be(buffer, BSIZE-12, 4, db->parent);
- place_integer_be(buffer, BSIZE-8, 4, db->extension);
- place_integer_be(buffer, BSIZE-4, 4, ST_USERDIR);
-
- /* Write block to disk */
- return write_block(img, block, buffer);
-}
-
-
-static imgtoolerr_t read_hardlink_block(imgtool_image *img, int block, hardlink_block *hl)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- hl->header_key = pick_integer_be(buffer, 4, 4);
- hl->chksum = pick_integer_be(buffer, 20, 4);
- hl->protect = pick_integer_be(buffer, BSIZE-192, 4);
- hl->comm_len = pick_integer_be(buffer, BSIZE-184, 1);
- memcpy(hl->comment, &buffer[BSIZE-183], 79);
- copy_date_be(&hl->date, (UINT32 *) &buffer[BSIZE-92]);
- hl->name_len = pick_integer_be(buffer, BSIZE-80, 1);
- memcpy(hl->hlname, (UINT32 *) &buffer[BSIZE-79], 30);
- hl->real_entry = pick_integer_be(buffer, BSIZE-44, 4);
- hl->next_link = pick_integer_be(buffer, BSIZE-40, 4);
- hl->hash_chain = pick_integer_be(buffer, BSIZE-16, 4);
- hl->parent = pick_integer_be(buffer, BSIZE-12, 4);
- hl->sec_type = pick_integer_be(buffer, BSIZE-4, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t read_softlink_block(imgtool_image *img, int block, softlink_block *sl)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* fill in data */
- sl->header_key = pick_integer_be(buffer, 4, 4);
- sl->chksum = pick_integer_be(buffer, 20, 4);
- memcpy(sl->symbolic_name, &buffer[24], BSIZE-224);
- sl->protect = pick_integer_be(buffer, BSIZE-192, 4);
- sl->comm_len = pick_integer_be(buffer, BSIZE-184, 1);
- memcpy(sl->comment, &buffer[BSIZE-183], 79);
- copy_date_be(&sl->date, (UINT32 *) &buffer[BSIZE-92]);
- sl->name_len = pick_integer_be(buffer, BSIZE-80, 1);
- memcpy(sl->slname, (UINT32 *) &buffer[BSIZE-79], 30);
- sl->hash_chain = pick_integer_be(buffer, BSIZE-16, 4);
- sl->parent = pick_integer_be(buffer, BSIZE-12, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Returns the disk type */
-static disk_type get_disk_type(imgtool_image *img)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- ret = read_block(img, 0, buffer);
- if (ret) return DT_UNKNOWN;
-
- switch(buffer[3])
- {
- case 0: return DT_OFS;
- case 1: return DT_FFS;
- case 2: return DT_OFS_INTL;
- case 3: return DT_FFS_INTL;
- case 4: return DT_OFS_INTL_DIRC;
- case 5: return DT_FFS_INTL_DIRC;
- default: return DT_UNKNOWN;
- }
-}
-
-
-/* Returns TRUE if the disk is formatted with the FastFileSystem */
-static int is_ffs(imgtool_image *img)
-{
- disk_type t = get_disk_type(img);
-
- return ((t == DT_FFS ||
- t == DT_FFS_INTL ||
- t == DT_FFS_INTL_DIRC) ? TRUE : FALSE);
-}
-
-
-/* Returns TRUE if the disk uses the international mode */
-static int is_intl(imgtool_image *img)
-{
- disk_type t = get_disk_type(img);
-
- return ((t == DT_OFS_INTL ||
- t == DT_FFS_INTL ||
- t == DT_OFS_INTL_DIRC ||
- t == DT_FFS_INTL_DIRC) ? TRUE : FALSE);
-}
-
-#ifdef UNUSED_FUNCTION
-/* Returns TRUE if the disk uses the directory cache mode */
-static int is_dirc(imgtool_image *img)
-{
- disk_type t = get_disk_type(img);
-
- return ((t == DT_OFS_INTL_DIRC ||
- t == DT_FFS_INTL_DIRC) ? TRUE : FALSE);
-}
-#endif
-
-static imgtoolerr_t get_hash_table(imgtool_image *img, int block, UINT32 *ht)
-{
- imgtoolerr_t ret;
-
- switch (get_block_type(img, block))
- {
- case ST_USERDIR:
- {
- dir_block dir;
-
- /* get the directory block */
- ret = read_dir_block(img, block, &dir);
- if (ret) return ret;
-
- /* copy data */
- memcpy(ht, &dir.ht, TSIZE*4);
-
- return IMGTOOLERR_SUCCESS;
- }
-
- case ST_ROOT:
- {
- root_block root;
-
- /* get the root block */
- ret = read_root_block(img, &root);
- if (ret) return ret;
-
- /* copy data */
- memcpy(ht, &root.ht, TSIZE*4);
-
- return IMGTOOLERR_SUCCESS;
- }
-
- default:
- return IMGTOOLERR_UNEXPECTED;
- }
-}
-
-
-static imgtoolerr_t set_hash_table(imgtool_image *img, int block, const UINT32 *ht)
-{
- UINT8 buffer[BSIZE];
- imgtoolerr_t ret;
-
- /* Read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* Copy new hash table into it */
- copy_integer_array_be((UINT32 *) &buffer[24], ht, TSIZE);
-
- /* Write it back again */
- ret = write_block(img, block, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-#ifdef UNUSED_FUNCTION
-static imgtoolerr_t get_root_hash_table(imgtool_image *img, UINT32 *ht)
-{
- return get_hash_table(img, get_total_blocks(img)/2, ht);
-}
-#endif
-
-static imgtoolerr_t get_blockname(imgtool_image *img, int block, char *dest)
-{
- UINT8 buffer[BSIZE];
- imgtoolerr_t ret;
-
- /* Read the block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* Copy filename out of the buffer */
- memset(dest, 0, 31);
- memcpy(dest, &buffer[BSIZE-79], buffer[BSIZE-80]);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t get_hash_chain(imgtool_image *img, int block, UINT32 *chain)
-{
- UINT8 buffer[BSIZE];
- imgtoolerr_t ret;
-
- /* Read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* Get chain value */
- *chain = pick_integer_be(buffer, BSIZE-16, 4);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t set_hash_chain(imgtool_image *img, int block, UINT32 chain)
-{
- UINT8 buffer[BSIZE];
- imgtoolerr_t ret;
-
- /* Read block */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* Copy new hash chain value into it */
- place_integer_be(buffer, BSIZE-16, 4, chain);
-
- /* Write it back again */
- ret = write_block(img, block, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t walk_hash_chain(imgtool_image *img, const char *path, int start_block, int *prev_block, int *block)
-{
- imgtoolerr_t err;
- UINT32 hash_chain;
- char name[31];
-
- /* choose compare function depending on intl mode */
- int (*cmp)(const char *, const char *) = is_intl(img) ? &intl_stricmp : &core_stricmp;
-
- /* initialize filenames */
- memset(name, 0, sizeof(name));
-
- switch (get_block_type(img, start_block))
- {
- case ST_USERDIR:
- {
- dir_block dir;
-
- /* read block */
- err = read_dir_block(img, start_block, &dir);
- if (err) return err;
-
- /* copy filename string and next hash */
- memcpy(name, dir.dirname, dir.name_len);
- hash_chain = dir.hash_chain;
-
- break;
- }
-
- case ST_FILE:
- {
- file_block file;
-
- /* read block */
- err = read_file_block(img, start_block, &file);
- if (err) return err;
-
- /* copy filename string and next hash */
- memcpy(name, file.filename, file.name_len);
- hash_chain = file.hash_chain;
-
- break;
- }
-
- case ST_SOFTLINK:
- {
- softlink_block sl;
-
- /* read block */
- err = read_softlink_block(img, start_block, &sl);
- if (err) return err;
-
- /* copy filename string and next hash */
- memcpy(name, sl.slname, sl.name_len);
- hash_chain = sl.hash_chain;
-
- break;
- }
-
- case ST_LINKDIR:
- case ST_LINKFILE:
- {
- hardlink_block hl;
-
- /* read block */
- err = read_hardlink_block(img, start_block, &hl);
- if (err) return err;
-
- /* copy filename string and next hash */
- memcpy(name, hl.hlname, hl.name_len);
- hash_chain = hl.hash_chain;
- break;
- }
-
- default:
- return IMGTOOLERR_UNEXPECTED;
-
- }
-
- /* if we haven't found the right filename but there are linked entries,
- * walk up the chain */
- if ((*cmp)(name, path) != 0 && hash_chain != 0)
- {
- *prev_block = start_block;
- return walk_hash_chain(img, path, hash_chain, prev_block, block);
- }
-
- /* found the correct block, return */
- if ((*cmp)(name, path) == 0)
- {
- *block = start_block;
- return IMGTOOLERR_SUCCESS;
- }
-
- /* we should never get here */
- return IMGTOOLERR_UNEXPECTED;
-}
-
-
-/* Returns the block number for a dir/file/link entry given as NUL delimited
- * list of path parts, for example "dir1\0dir2\0dir3" returns the block number
- * for directory "dir3" */
-static imgtoolerr_t find_entry(imgtool_image *img, const char *path, int start_block, int *block)
-{
- imgtoolerr_t ret;
- const char *next_path;
- int current_block, prev;
- UINT32 ht[TSIZE];
-
- /* get the hash table */
- ret = get_hash_table(img, start_block, ht);
- if (ret) return ret;
-
- /* calculate hash and get block for initial entry */
- current_block = ht[hash_name(path, is_intl(img))];
-
- /* check if there was a match in the hash table */
- if (current_block == 0)
- {
- return IMGTOOLERR_PATHNOTFOUND;
- }
-
- /* walk the linked hash list */
- ret = walk_hash_chain(img, path, current_block, &prev, block);
- if (ret) return ret;
-
- /* follow links */
- switch (get_block_type(img, *block))
- {
- case ST_SOFTLINK:
-
- /* TODO: Softlink support */
- return IMGTOOLERR_UNIMPLEMENTED;
-
- case ST_LINKDIR:
- case ST_LINKFILE:
- {
- hardlink_block hl;
-
- ret = read_hardlink_block(img, *block, &hl);
- if (ret) return ret;
-
- *block = hl.real_entry;
-
- break;
- }
-
- default:
- break;
- }
-
- /* get next path part */
- next_path = path + strlen(path) + 1;
-
- /* if there are more path parts, search the next block */
- if (next_path[0])
- {
- return find_entry(img, next_path, *block, block);
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t get_block_chksum(imgtool_image *img, int block, UINT32 *chksum, int bitmap)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* get block data */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* clear old checksum */
- if (bitmap)
- {
- memset(buffer, 0, 4);
- }
- else
- {
- memset(&buffer[20], 0, 4);
- }
-
- /* calulate checksum */
- *chksum = block_checksum(buffer, BSIZE);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t fix_chksum(imgtool_image *img, int block, int bitmap)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
- UINT32 chksum;
-
- /* calculate block checksum */
- ret = get_block_chksum(img, block, &chksum, bitmap);
- if (ret) return ret;
-
- /* read block data */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* update checksum */
- if (bitmap)
- {
- place_integer_be(buffer, 0, 4, chksum);
- }
- else
- {
- place_integer_be(buffer, 20, 4, chksum);
- }
-
- /* write back new block data */
- ret = write_block(img, block, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t fix_block_chksum(imgtool_image *img, int block)
-{
- return fix_chksum(img, block, FALSE);
-}
-
-
-static imgtoolerr_t fix_bitmap_chksum(imgtool_image *img, int block)
-{
- return fix_chksum(img, block, TRUE);
-}
-
-
-/* Set a block as used */
-static imgtoolerr_t bitmap_mark(imgtool_image *img, int block, int used)
-{
- imgtoolerr_t ret;
- bitmap_block bm;
- root_block root;
- int page;
-
- block -= 2; /* subtract boot block sectors, 2 only for floppies! */
-
- ret = read_root_block(img, &root);
- if (ret) return ret;
-
- /* figure out bitmap block location */
- page = root.bm_pages[block / (MSIZE * 32)];
-
- /* get bitmap */
- ret = read_bitmap_block(img, page, &bm);
- if (ret) return ret;
-
- /* subtract pages we skip */
- block -= MSIZE * 32 * (block / (MSIZE * 32));
-
- /* mark as used or free */
- if (used)
- {
- bm.map[block/32] &= ~(1 << block % 32);
- }
- else
- {
- bm.map[block/32] |= (1 << block % 32);
- }
-
- /* write changed bitmap block back to disk */
- ret = write_bitmap_block(img, page, &bm);
- if (ret) return ret;
-
- /* update checksum */
- ret = fix_bitmap_chksum(img, page);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t bitmap_mark_used(imgtool_image *img, int block)
-{
- return bitmap_mark(img, block, TRUE);
-}
-
-
-static imgtoolerr_t bitmap_mark_free(imgtool_image *img, int block)
-{
- return bitmap_mark(img, block, FALSE);
-}
-
-
-static imgtoolerr_t update_block_modified_date(imgtool_image *img, int block)
-{
- UINT8 buffer[BSIZE];
- imgtoolerr_t ret;
- amiga_date date;
- time_t now;
-
- ret = read_block(img, block, buffer);
- if (ret) return ret;
-
- /* Set new time */
- time(&now);
- amiga_setup_time(now, &date);
-
- /* Write new time into block */
- place_integer_be(buffer, BSIZE-92, 4, date.days);
- place_integer_be(buffer, BSIZE-88, 4, date.mins);
- place_integer_be(buffer, BSIZE-84, 4, date.ticks);
-
- /* Write block back to disk */
- ret = write_block(img, block, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t clear_hash_table_entry(imgtool_image *img, int parent, char *filename)
-{
- imgtoolerr_t ret;
- UINT32 ht[TSIZE], chain;
- int index, entry, prev, block;
-
- ret = get_hash_table(img, parent, ht);
- if (ret) return ret;
-
- /* Calculate hash and get block for initial entry */
- index = hash_name(filename, is_intl(img));
- entry = ht[index];
-
- /* Walk the hash chain to get the real entry */
- ret = walk_hash_chain(img, filename, entry, &prev, &block);
- if (ret) return ret;
-
- /* Get chained value from block */
- ret = get_hash_chain(img, block, &chain);
- if (ret) return ret;
-
- /* Check if we need to change the hash table */
- if (entry == block)
- {
- /* Set new value (might be 0 if there were no linked entries) */
- ht[index] = chain;
-
- /* Save changed hash table */
- ret = set_hash_table(img, parent, ht);
- if (ret) return ret;
-
- /* Update last modified date */
- ret = update_block_modified_date(img, parent);
- if (ret) return ret;
-
- /* Calculate new checksum */
- ret = fix_block_chksum(img, parent);
- if (ret) return ret;
- }
- else
- {
- /* Save chained value to previous chain element */
- ret = set_hash_chain(img, prev, chain);
- if (ret) return ret;
-
- /* Calculate new checksum */
- ret = fix_block_chksum(img, prev);
- if (ret) return ret;
- }
-
- /* Mark our block as free */
- ret = bitmap_mark_free(img, block);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Returns the number of the first bit that is set in the array */
-static int get_first_bit(UINT32 *array, int size)
-{
- int i;
-
- for (i = 0; i < size; i++)
- {
- if (array[i] != 0)
- {
- UINT32 v = array[i];
- int c;
-
- /* get first bit that is set */
- for (c = 0; (v & 1) == 0; c++) v >>= 1;
-
- /* return bit number */
- return i * 32 + c;
- }
- }
-
- return -1;
-}
-
-
-#ifdef UNUSED_FUNCTION
-static imgtoolerr_t walk_bitmap_ext_blocks(imgtool_image *img, int start, int *block)
-{
- imgtoolerr_t ret;
- bitmap_ext_block bm_ext;
- int bit;
-
- /* if we don't have a valid block, bail out */
- if (start == 0)
- {
- return IMGTOOLERR_NOSPACE;
- }
-
- /* get the extended bitmap block */
- ret = read_bitmap_ext_block(img, start, &bm_ext);
- if (ret) return ret;
-
- /* get the first bit that is set in the map */
- bit = get_first_bit(bm_ext.map, MSIZE);
-
- /* if we found one, return */
- if (bit != -1)
- {
- *block += bit;
- return IMGTOOLERR_SUCCESS;
- }
-
- /* increase on each call */
- *block += MSIZE * 32;
-
- /* else continue walking the list */
- return walk_bitmap_ext_blocks(img, bm_ext.next, block);
-}
-#endif
-
-
-/* Searches for a block marked as free
- * TODO: bm_ext support for HDs */
-static imgtoolerr_t find_free_block(imgtool_image *img, int *block)
-{
- imgtoolerr_t ret;
- root_block root;
- int i;
-
- /* get root block */
- ret = read_root_block(img, &root);
- if (ret) return ret;
-
- /* iterate bitmap pointers */
- for (i = 0; i < 25; i++)
- {
- bitmap_block bm;
-
- /* get bitmap block pointed to */
- ret = read_bitmap_block(img, root.bm_pages[i], &bm);
- if (ret) return ret;
-
- *block = i * 32 * MSIZE + get_first_bit(bm.map, MSIZE);
-
- if (*block != -1)
- {
- *block += 2;
- return IMGTOOLERR_SUCCESS;
- }
- }
-
- /* if we get here we haven't found a free block */
- return IMGTOOLERR_NOSPACE;
-}
-
-
-static imgtoolerr_t add_entry(imgtool_image *img, int parent, int block)
-{
- imgtoolerr_t ret;
- UINT32 ht[TSIZE];
- char name[31];
- int hash;
-
- ret = get_blockname(img, block, name);
- if (ret) return ret;
-
- ret = get_hash_table(img, parent, ht);
- if (ret) return ret;
-
- hash = hash_name(name, is_intl(img));
-
- /* Check if there is already an entry with that name */
- if (ht[hash] != 0)
- {
- /* Save the old value to our hash chain */
- ret = set_hash_chain(img, block, ht[hash]);
- if (ret) return ret;
- }
-
- /* Write our block number into the table */
- ht[hash] = block;
-
- /* Write table back to disk */
- ret = set_hash_table(img, parent, ht);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* Recursively create new directory entries */
-static imgtoolerr_t makedir(imgtool_image *img, const char *path, int parent)
-{
- imgtoolerr_t ret;
- dir_block dir;
- time_t now;
- int block;
-
- if (!path)
- {
- return IMGTOOLERR_PARAMNEEDED;
- }
-
- if (!path[0])
- {
- return IMGTOOLERR_SUCCESS;
- }
-
- /* Get a free block */
- ret = find_free_block(img, &block);
- if (ret) return ret;
-
- /* Initialize entry */
- memset(&dir, 0, sizeof(dir_block));
-
- /* Copy data */
- time(&now);
- amiga_setup_time(now, &dir.date);
- dir.name_len = strlen(path);
- memcpy(dir.dirname, path, dir.name_len);
- dir.header_key = block;
- dir.parent = parent;
-
- /* Write block */
- ret = write_dir_block(img, block, &dir);
- if (ret) return ret;
-
- /* Fix checksum */
- ret = fix_block_chksum(img, block);
- if (ret) return ret;
-
- /* Link the new entry in the parent */
- ret = add_entry(img, parent, block);
- if (ret) return ret;
-
- /* Mark it as used */
- ret = bitmap_mark_used(img, block);
- if (ret) return ret;
-
- /* Create the next entry */
- return makedir(img, path + strlen(path) + 1, block);
-}
-
-
-/* Recursively checks the path parts and creates directories for them */
-static imgtoolerr_t checkdir(imgtool_image *img, const char *path, int parent)
-{
- imgtoolerr_t ret;
- int block;
- char first_part[31];
-
- memset(first_part, 0, sizeof(first_part));
- strcpy(first_part, path);
-
- /* Directories all the way down, bail out */
- if (!path[0])
- {
- return IMGTOOLERR_CANNOTUSEPATH;
- }
-
- /* Search for the entry */
- ret = find_entry(img, first_part, parent, &block);
-
- switch (ret)
- {
- case IMGTOOLERR_PATHNOTFOUND:
-
- /* There is no entry with this name yet, so we can just create them */
- return makedir(img, path, parent);
-
- case IMGTOOLERR_SUCCESS:
-
- if (get_block_type(img, block) == ST_USERDIR)
- {
- /* Go down one level */
- return checkdir(img, path + strlen(path) + 1, block);
- }
- else
- {
- /* There is an entry but it's not a directory, create it */
- return makedir(img, path, parent);
- }
-
- default: return ret;
- }
-}
-
-
-/* Writes the file data from the specified block into the stream */
-static imgtoolerr_t write_file_block_data(imgtool_image *img, int block, int size, imgtool_stream *destf)
-{
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
-
- /* Check if we even need to write something */
- if (size == 0)
- {
- return IMGTOOLERR_SUCCESS;
- }
-
- if (is_ffs(img))
- {
- /* Get block and read directly into buffer */
- ret = read_block(img, block, buffer);
- if (ret) return ret;
- }
- else
- {
- data_block db;
- UINT32 chksum;
-
- ret = read_data_block(img, block, &db);
- if (ret) return ret;
-
- /* Verify data checksum */
- ret = get_block_chksum(img, block, &chksum, FALSE);
- if (ret) return ret;
-
- if (db.chksum != chksum)
- {
- return IMGTOOLERR_CORRUPTFILE;
- }
-
- /* Copy data to buffer */
- memcpy(buffer, db.data, size);
- }
-
- /* Write data to stream */
- if (stream_write (destf, buffer, size) != size)
- {
- return IMGTOOLERR_WRITEERROR;
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t walk_data_block_ptr(imgtool_image *img, UINT32 *ptr, int *filesize, imgtool_stream *destf, int write)
-{
- int i, blocksize = is_ffs(img) ? BSIZE : BSIZE-24;
- imgtoolerr_t ret;
-
- for (i = TSIZE-1; i >= 0; i--)
- {
- /* We write either blocksize bytes or whats remaining */
- int bytes_left = (*filesize >= blocksize) ? blocksize : *filesize;
-
- if (write)
- {
- ret = write_file_block_data(img, ptr[i], bytes_left, destf);
- if (ret) return ret;
- }
- else
- {
- ret = bitmap_mark_free(img, ptr[i]);
- if (ret) return ret;
- }
-
- *filesize -= bytes_left;
-
- /* Check if we are finished early */
- if (*filesize == 0) break;
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t write_data_block_ptr(imgtool_image *img, UINT32 *ptr, int *filesize, imgtool_stream *destf)
-{
- return walk_data_block_ptr(img, ptr, filesize, destf, TRUE);
-}
-
-
-/* Marks all blocks pointed to by the data block pointers as free */
-static imgtoolerr_t clear_data_block_ptr(imgtool_image *img, UINT32 *ptr, int *filesize)
-{
- return walk_data_block_ptr(img, ptr, filesize, NULL, FALSE);
-}
-
-
-static imgtoolerr_t walk_file_ext_data(imgtool_image *img, int block, int *filesize, imgtool_stream *destf, int write)
-{
- file_ext_block file_ext;
- imgtoolerr_t ret;
-
- /* Get file extension block */
- ret = read_file_ext_block(img, block, &file_ext);
- if (ret) return ret;
-
- /* Write all data pointers in the table */
- ret = walk_data_block_ptr(img, file_ext.data_blocks, filesize, destf, write);
- if (ret) return ret;
-
- /* Check if we are finished */
- if (*filesize != 0)
- {
- if (file_ext.extension == 0)
- {
- /* We are not finished, but there are no more extension blocks */
- return IMGTOOLERR_CORRUPTFILE;
- }
- else
- {
- /* Write the next file extension block */
- return walk_file_ext_data(img, file_ext.extension, filesize, destf, write);
- }
- }
-
- /* Mark ourself as free if we not writing */
- if (!write)
- {
- ret = bitmap_mark_free(img, block);
- if (ret) return ret;
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t write_file_ext_data(imgtool_image *img, int block, int *filesize, imgtool_stream *destf)
-{
- return walk_file_ext_data(img, block, filesize, destf, TRUE);
-}
-
-
-static imgtoolerr_t clear_file_ext_data(imgtool_image *img, int block, int *filesize)
-{
- return walk_file_ext_data(img, block, filesize, NULL, FALSE);
-}
-
-
-/* Updates the disk alteration date stored in the root block */
-static imgtoolerr_t update_disk_alteration_date(imgtool_image *img)
-{
- imgtoolerr_t ret;
- root_block root;
- time_t now;
-
- /* Get root block */
- ret = read_root_block(img, &root);
- if (ret) return ret;
-
- /* Get current time */
- time(&now);
- amiga_setup_time(now, &root.v);
-
- /* Write back new root block */
- ret = write_root_block(img, &root);
- if (ret) return ret;
-
- /* And update its checksum */
- ret = fix_block_chksum(img, get_total_blocks(img)/2);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/*****************************************************************************
- Imgtool functions
-*****************************************************************************/
-
-
-static imgtoolerr_t amiga_image_open(imgtool_image *img, imgtool_stream *stream)
-{
- amiga_floppy *f = (amiga_floppy *) imgtool_image_extra_bytes(img);
- UINT64 size = stream_size(stream);
-
- f->stream = stream;
- f->sectors = size/BSIZE/80/2;
-
- if (f->sectors != 11 && f->sectors != 22)
- {
- return IMGTOOLERR_CORRUPTIMAGE;
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static void amiga_image_exit(imgtool_image *img)
-{
-}
-
-
-static void amiga_image_info(imgtool_image *img, char *string, size_t len)
-{
- imgtoolerr_t ret;
- root_block root;
- char info[255];
- time_t t_c, t_v, t_r;
- char c[19], v[19], r[19];
-
- ret = read_root_block(img, &root);
- if (ret) return;
-
- t_c = amiga_crack_time(&root.c);
- t_v = amiga_crack_time(&root.v);
- t_r = amiga_crack_time(&root.r);
-
- strftime(c, sizeof(c), "%d-%b-%y %H:%M:%S", localtime(&t_c));
- strftime(v, sizeof(v), "%d-%b-%y %H:%M:%S", localtime(&t_v));
- strftime(r, sizeof(r), "%d-%b-%y %H:%M:%S", localtime(&t_r));
-
- strcpy(info, "Volume name: ");
- strncat(info, (char *)root.diskname, root.name_len);
- strcat(info, "\nVolume created: ");
- strcat(info, c);
- strcat(info, "\nVolume modified: ");
- strcat(info, v);
- strcat(info, "\n Root modified: ");
- strcat(info, r);
-
- strncpy(string, info, len);
-}
-
-
-static imgtoolerr_t amiga_image_read_sector(imgtool_image* img, UINT32 track, UINT32 head, UINT32 sector, void *buf, size_t len)
-{
- amiga_floppy *f = (amiga_floppy *) imgtool_image_extra_bytes(img);
-
- /* skip ahead to the area we want to read */
- stream_seek(f->stream, track * (head+1) * f->sectors * BSIZE + sector * BSIZE, SEEK_CUR);
-
- if (stream_read(f->stream, buf, len) != len)
- {
- return IMGTOOLERR_READERROR;
- }
-
- /* reset stream */
- stream_seek(f->stream, 0, 0);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_write_sector(imgtool_image* img, UINT32 track, UINT32 head, UINT32 sector, const void *buf, size_t len, int ddam)
-{
- amiga_floppy *f = (amiga_floppy *) imgtool_image_extra_bytes(img);
-
- /* skip ahead to the area we want to write */
- stream_seek(f->stream, track * (head+1) * f->sectors * BSIZE + sector * BSIZE, SEEK_CUR);
-
- /* write data */
- if (stream_write(f->stream, buf, len) != len)
- {
- return IMGTOOLERR_WRITEERROR;
- }
-
- /* reset stream */
- stream_seek(f->stream, 0, 0);
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_get_sector_size(imgtool_image* img, UINT32 track, UINT32 head, UINT32 sector, UINT32 *sector_size)
-{
- *sector_size = BSIZE;
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_beginenum(imgtool_directory *enumeration, const char *path)
-{
- int blocks = get_total_blocks(imgtool_directory_image(enumeration));
- imgtoolerr_t ret;
- amiga_iterator *iter;
-
- iter = (amiga_iterator *) imgtool_directory_extrabytes(enumeration);
- if (!iter) return IMGTOOLERR_OUTOFMEMORY;
-
- iter->index = 1;
- iter->ht_index = 0;
- iter->eof = 0;
-
- if (path[0])
- {
- /* search for the directory block, start with the root block */
- ret = find_entry(imgtool_directory_image(enumeration), path, blocks/2, &iter->block);
- if (ret) return ret;
- }
- else
- {
- /* we didn't get a path, use the root directory */
- iter->block = blocks / 2;
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_nextenum(imgtool_directory *enumeration, imgtool_dirent *ent)
-{
- amiga_iterator *iter = (amiga_iterator *) imgtool_directory_extrabytes(enumeration);
- imgtoolerr_t ret;
- UINT32 ht[TSIZE];
- int block;
-
- /* finished listing all entries? */
- if (iter->eof == 1 || iter->ht_index == TSIZE)
- {
- ent->eof = 1;
- return IMGTOOLERR_SUCCESS;
- }
-
- /* get hash table */
- ret = get_hash_table(imgtool_directory_image(enumeration), iter->block, ht);
- if (ret) return ret;
-
- /* skip empty hash table entries */
- while (ht[iter->ht_index] == 0)
- {
- iter->ht_index++;
- /* check if we are already at the end */
- if (iter->ht_index == TSIZE)
- {
- ent->eof = 1;
- return IMGTOOLERR_SUCCESS;
- }
- }
-
- /* get block number */
- block = (iter->next_block == 0) ? ht[iter->ht_index] : iter->next_block;
-
- switch (get_block_type(imgtool_directory_image(enumeration), block))
- {
- case ST_FILE:
- {
- file_block file;
-
- /* get block */
- ret = read_file_block(imgtool_directory_image(enumeration), block, &file);
- if (ret) return ret;
-
- /* fill directory entry */
- strncpyz(ent->filename, (char *)file.filename, file.name_len + 1);
- ent->filesize = file.byte_size;
- ent->lastmodified_time = amiga_crack_time(&file.date);
- amiga_decode_flags(file.protect, ent->attr);
- strncpyz(ent->comment, (char *)file.comment, file.comm_len + 1);
-
- iter->next_block = file.hash_chain;
-
- break;
- }
-
- case ST_USERDIR:
- {
- dir_block dir;
-
- /* get block */
- ret = read_dir_block(imgtool_directory_image(enumeration), block, &dir);
- if (ret) return ret;
-
- /* fill directory entry */
- strncpyz(ent->filename, (char *)dir.dirname, dir.name_len + 1);
- ent->lastmodified_time = amiga_crack_time(&dir.date);
- amiga_decode_flags(dir.protect, ent->attr);
- strncpyz(ent->comment, (char *)dir.comment, dir.comm_len + 1);
- ent->directory = 1;
-
- iter->next_block = dir.hash_chain;
-
- break;
- }
-
- case ST_SOFTLINK:
- {
- softlink_block sl;
-
- /* get block */
- ret = read_softlink_block(imgtool_directory_image(enumeration), block, &sl);
- if (ret) return ret;
-
- /* fill directory entry */
- strncpyz(ent->filename, (char *)sl.slname, sl.name_len + 1);
- ent->lastmodified_time = amiga_crack_time(&sl.date);
- amiga_decode_flags(sl.protect, ent->attr);
- strncpyz(ent->comment, (char *)sl.comment, sl.comm_len + 1);
- strcpy(ent->softlink, (char *)sl.symbolic_name);
-
- iter->next_block = sl.hash_chain;
-
- break;
- }
-
- case ST_LINKDIR:
-
- ent->directory = 1;
-
- case ST_LINKFILE:
- {
- hardlink_block hl;
-
- /* get block */
- ret = read_hardlink_block(imgtool_directory_image(enumeration), block, &hl);
- if (ret) return ret;
-
- /* get filesize from linked file */
- if (!ent->directory)
- {
- file_block file;
- ret = read_file_block(imgtool_directory_image(enumeration), hl.real_entry, &file);
- if (ret) return ret;
- ent->filesize = file.byte_size;
- }
-
- /* fill directory entry */
- strncpyz(ent->filename, (char *)hl.hlname, hl.name_len + 1);
- ent->lastmodified_time = amiga_crack_time(&hl.date);
- amiga_decode_flags(hl.protect, ent->attr);
- strncpyz(ent->comment, (char *)hl.comment, hl.comm_len + 1);
- ent->hardlink = 1;
-
- iter->next_block = hl.hash_chain;
-
- break;
- }
-
- default:
- return IMGTOOLERR_UNIMPLEMENTED;
- }
-
- /* if there are no linked entries, go to the next hash table entry */
- if (iter->next_block == 0)
- {
- iter->ht_index++;
- }
-
- /* jump to next index */
- iter->index++;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static void amiga_image_closeenum(imgtool_directory *enumeration)
-{
- free(enumeration);
-}
-
-
-static imgtoolerr_t amiga_image_freespace(imgtool_partition *partition, UINT64 *size)
-{
- imgtoolerr_t ret;
- imgtool_image *image = imgtool_partition_image(partition);
- const int data_size = is_ffs(image) ? BSIZE : BSIZE-24;
- root_block root;
- bitmap_block bm;
- int blocks, blocks_processed = 0, pages, i, c;
- UINT32 v;
-
- /* initialize size */
- *size = 0;
-
- /* get root block */
- ret = read_root_block(image, &root);
- if (ret) return ret;
-
- /* get total number of blocks in the image */
- blocks = get_total_blocks(image);
-
- /* subtract the two bootblock blocks (only for floppies!) */
- blocks -= 2;
-
- /* iterate all bitmap pages */
- for (pages = 0; pages < 25; pages++)
- {
- ret = read_bitmap_block(image, root.bm_pages[pages], &bm);
- if (ret) return ret;
-
- for (i = 0; i < MSIZE; i++)
- {
- v = bm.map[i];
-
- /* clear half used value */
- if ((blocks_processed + 32) > blocks)
- v &= ~(~0 << (blocks - blocks_processed));
-
- /* count bits */
- for (c = 0; v; c++)
- v &= v - 1;
-
- *size += c * data_size;
-
- blocks_processed += 32;
-
- if (blocks_processed >= blocks)
- return IMGTOOLERR_SUCCESS;
- }
- }
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_readfile(imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *destf)
-{
- imgtool_image *img = imgtool_partition_image(partition);
- imgtoolerr_t ret;
- file_block file;
- int filesize, block;
-
- /* Search for the block number */
- ret = find_entry(img, filename, get_total_blocks(img)/2, &block);
- if (ret == IMGTOOLERR_PATHNOTFOUND) return IMGTOOLERR_FILENOTFOUND;
- if (ret) return ret; /* Other errors */
-
- /* Phase 1: Follow data pointers */
- ret = read_file_block(img, block, &file);
- if (ret) return ret;
-
- filesize = file.byte_size;
-
- /* Write out file data pointed to by data block pointers */
- ret = write_data_block_ptr(img, file.data_blocks, &filesize, destf);
- if (ret) return ret;
-
- /* Check if we are done already */
- if (filesize == 0) return IMGTOOLERR_SUCCESS;
-
- /* Phase 2: Follow file extension blocks */
- ret = write_file_ext_data(img, file.extension, &filesize, destf);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-/* When a file is deleted, only its File header block number is cleared from
- * the Directory block (or from the same-hash-value list) and the bitmap is
- * updated. File header block, Data blocks and File extension blocks are not
- * cleared, but the bitmap blocks are updated. */
-static imgtoolerr_t amiga_image_deletefile(imgtool_partition *partition, const char *fname)
-{
- imgtool_image *img = imgtool_partition_image(partition);
- imgtoolerr_t ret;
- int parent, block;
- char filename[31];
-
- /* Initialize filename */
- memset(filename, 0, sizeof(filename));
-
- /* Search for the block number */
- ret = find_entry(img, fname, get_total_blocks(img)/2, &block);
- if (ret == IMGTOOLERR_PATHNOTFOUND) return IMGTOOLERR_FILENOTFOUND;
- if (ret) return ret;
-
- /* Get the parent block, where we need to clear the hash */
- switch (get_block_type(img, block))
- {
- case ST_FILE:
- {
- file_block file;
- int filesize;
-
- ret = read_file_block(img, block, &file);
- if (ret) return ret;
-
- filesize = file.byte_size;
- parent = file.parent;
- memcpy(filename, file.filename, file.name_len);
-
- /* Clear all linked data sectors */
- ret = clear_data_block_ptr(img, file.data_blocks, &filesize);
- if (ret) return ret;
-
- /* Clear extended file data sectors */
- if (filesize != 0)
- {
- ret = clear_file_ext_data(img, file.extension, &filesize);
- if (ret) return ret;
- }
-
- break;
- }
-
- case ST_LINKFILE:
- {
- softlink_block link;
-
- ret = read_softlink_block(img, block, &link);
- if (ret) return ret;
-
- parent = link.parent;
- memcpy(filename, link.slname, link.name_len);
-
- break;
- }
-
- default:
- return IMGTOOLERR_UNEXPECTED;
- }
-
- /* Clear hash table entry */
- ret = clear_hash_table_entry(img, parent, filename);
- if (ret) return ret;
-
- /* Update disk alteration date */
- ret = update_disk_alteration_date(img);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_writefile(imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *sourcef, option_resolution *opts)
-{
- return IMGTOOLERR_UNIMPLEMENTED;
-}
-
-
-static imgtoolerr_t amiga_image_create(imgtool_image *img, imgtool_stream *stream, option_resolution *opts)
-{
- amiga_floppy *f = (amiga_floppy *) imgtool_image_extra_bytes(img);
- const char *dskname = option_resolution_lookup_string(opts, 'N');
- imgtoolerr_t ret;
- UINT8 buffer[BSIZE];
- root_block root;
- bitmap_block bm;
- time_t now;
- int blocks;
-
- f->stream = stream;
-
- switch (option_resolution_lookup_int(opts, 'S'))
- {
- case 0: f->sectors = 11; break;
- case 1: f->sectors = 22; break;
- default: return IMGTOOLERR_PARAMCORRUPT;
- }
-
- /* initialize with zeros */
- memset(buffer, 0, BSIZE);
-
- /* add DOS magic string and flags */
- buffer[0] = 'D';
- buffer[1] = 'O';
- buffer[2] = 'S';
- buffer[3] = 0;
-
- /* File system */
- buffer[3] += (option_resolution_lookup_int(opts, 'F'));
-
- /* File system mode */
- buffer[3] += (option_resolution_lookup_int(opts, 'M'));
-
- /* write first bootblock sector */
- ret = write_block(img, 0, buffer);
- if (ret) return ret;
-
- /* reset with zeros */
- memset(buffer, 0, BSIZE);
-
- /* write second bootblock sector */
- ret = write_block(img, 1, buffer);
- if (ret) return ret;
-
- /* rootblock */
- memset(&root, 0, sizeof(root_block));
-
- blocks = get_total_blocks(img);
-
- root.chksum = 0;
- root.ht_size = TSIZE;
- root.bm_flag = -1;
- root.bm_pages[0] = blocks/2 + 1; /* generally it's located here */
-
- time(&now);
- amiga_setup_time(now, &root.r);
- amiga_setup_time(now, &root.v);
- amiga_setup_time(now, &root.c);
-
- /* volume name */
- if (dskname)
- {
- root.name_len = strlen(dskname);
- memcpy(&root.diskname, dskname, root.name_len);
- }
- else
- {
- root.name_len = strlen("Empty");
- memcpy(&root.diskname, "Empty", root.name_len);
- }
-
- /* write root block to disk */
- ret = write_root_block(img, &root);
- if (ret) return ret;
-
- /* calculate block checksum */
- ret = fix_block_chksum(img, blocks/2);
- if (ret) return ret;
-
- /* bitmap block */
- memset(&bm, 0xff, sizeof(bitmap_block));
-
- /* write bitmap block to disk */
- ret = write_bitmap_block(img, root.bm_pages[0], &bm);
- if (ret) return ret;
-
- /* set root and bitmap block as used */
- ret = bitmap_mark_used(img, blocks/2);
- if (ret) return ret;
-
- ret = bitmap_mark_used(img, root.bm_pages[0]);
- if (ret) return ret;
-
- /* write empty last block so that we don't get a truncated image */
- memset(buffer, 0, BSIZE);
-
- ret = write_block(img, blocks - 1, buffer);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_createdir(imgtool_partition *partition, const char *path)
-{
- imgtool_image *img = imgtool_partition_image(partition);
- imgtoolerr_t ret;
-
- /* Create directories */
- ret = checkdir(img, path, get_total_blocks(img)/2);
- if (ret) return ret;
-
- /* Update disk alteration date */
- ret = update_disk_alteration_date(img);
- if (ret) return ret;
-
- return IMGTOOLERR_SUCCESS;
-}
-
-
-static imgtoolerr_t amiga_image_getattrs(imgtool_partition *partition, const char *path, const UINT32 *attrs, imgtool_attribute *values)
-{
- return IMGTOOLERR_UNIMPLEMENTED;
-}
-
-
-static imgtoolerr_t amiga_image_setattrs(imgtool_partition *partition, const char *path, const UINT32 *attrs, const imgtool_attribute *values)
-{
- return IMGTOOLERR_UNIMPLEMENTED;
-}
-
-
-static imgtoolerr_t amiga_image_geticoninfo(imgtool_partition *partition, const char *path, imgtool_iconinfo *iconinfo)
-{
- return IMGTOOLERR_UNIMPLEMENTED;
-}
-
-
-static imgtoolerr_t amiga_image_suggesttransfer(imgtool_partition *partition, const char *fname, imgtool_transfer_suggestion *suggestions, size_t suggestions_length)
-{
- return IMGTOOLERR_UNIMPLEMENTED;
-}
-
-
-
-/*****************************************************************************
- Create image options
-*****************************************************************************/
-
-
-static OPTION_GUIDE_START(amiga_createimage_optionguide)
- OPTION_STRING( 'N', "name", "Volume name" )
- OPTION_ENUM_START( 'S', "density", "Density" )
- OPTION_ENUM( 0, "dd", "Double Density" )
- OPTION_ENUM( 1, "hd", "High Density" )
- OPTION_ENUM_END
- OPTION_ENUM_START( 'F', "filesystem", "File system" )
- OPTION_ENUM( 0, "ofs", "OldFileSystem" )
- OPTION_ENUM( 1, "ffs", "FastFileSystem" )
- OPTION_ENUM_END
- OPTION_ENUM_START( 'M', "mode", "File system options" )
- OPTION_ENUM( 0, "none", "None" )
- OPTION_ENUM( 2, "intl", "International Mode" )
- OPTION_ENUM( 4, "dirc", "International Mode with Directory Cache" )
- OPTION_ENUM_END
-OPTION_GUIDE_END
-
-
-
-/*****************************************************************************
- Imgtool module declaration
-*****************************************************************************/
-
-
-/* Amiga floppy disk attributes */
-void amiga_floppy_get_info(const imgtool_class *imgclass, UINT32 state, union imgtoolinfo *info)
-{
- switch(state)
- {
- /* --- the following bits of info are returned as 64-bit signed integers --- */
- case IMGTOOLINFO_INT_IMAGE_EXTRA_BYTES: info->i = sizeof(amiga_floppy); break;
- case IMGTOOLINFO_INT_DIRECTORY_EXTRA_BYTES: info->i = sizeof(amiga_iterator); break;
- case IMGTOOLINFO_INT_SUPPORTS_LASTMODIFIED_TIME: info->i = 1; break;
- case IMGTOOLINFO_INT_PATH_SEPARATOR: info->i = '/'; break;
- case IMGTOOLINFO_INT_CHARSET: info->i = IMGTOOL_CHARSET_ISO_8859_1; break;
-
- /* --- the following bits of info are returned as NULL-terminated strings --- */
- case IMGTOOLINFO_STR_NAME: strcpy(info->s = imgtool_temp_str(), "amiga_floppy"); break;
- case IMGTOOLINFO_STR_DESCRIPTION: strcpy(info->s = imgtool_temp_str(), "Amiga floppy disk image (OFS/FFS format)"); break;
- case IMGTOOLINFO_STR_FILE_EXTENSIONS: strcpy(info->s = imgtool_temp_str(), "adf"); break;
- case IMGTOOLINFO_STR_FILE: strcpy(info->s = imgtool_temp_str(), __FILE__); break;
- case IMGTOOLINFO_STR_EOLN: strcpy(info->s = imgtool_temp_str(), EOLN_LF); break;
- case IMGTOOLINFO_STR_CREATEIMAGE_OPTSPEC: strcpy(info->s = imgtool_temp_str(), "S[0]-1;F[0]-1;M[0]/2/4"); break;
-
- /* --- the following bits of info are returned as pointers to data or functions --- */
- case IMGTOOLINFO_PTR_OPEN: info->open = amiga_image_open; break;
- case IMGTOOLINFO_PTR_CLOSE: info->close = amiga_image_exit; break;
- case IMGTOOLINFO_PTR_READ_SECTOR: info->read_sector = amiga_image_read_sector; break;
- case IMGTOOLINFO_PTR_WRITE_SECTOR: info->write_sector = amiga_image_write_sector; break;
- case IMGTOOLINFO_PTR_GET_SECTOR_SIZE: info->get_sector_size = amiga_image_get_sector_size; break;
- case IMGTOOLINFO_PTR_CREATE: info->create = amiga_image_create; break;
- case IMGTOOLINFO_PTR_INFO: info->info = amiga_image_info; break;
- case IMGTOOLINFO_PTR_BEGIN_ENUM: info->begin_enum = amiga_image_beginenum; break;
- case IMGTOOLINFO_PTR_NEXT_ENUM: info->next_enum = amiga_image_nextenum; break;
- case IMGTOOLINFO_PTR_CLOSE_ENUM: info->close_enum = amiga_image_closeenum; break;
- case IMGTOOLINFO_PTR_FREE_SPACE: info->free_space = amiga_image_freespace; break;
- case IMGTOOLINFO_PTR_READ_FILE: info->read_file = amiga_image_readfile; break;
- case IMGTOOLINFO_PTR_WRITE_FILE: info->write_file = amiga_image_writefile; break;
- case IMGTOOLINFO_PTR_DELETE_FILE: info->delete_file = amiga_image_deletefile; break;
- case IMGTOOLINFO_PTR_CREATE_DIR: info->create_dir = amiga_image_createdir; break;
- case IMGTOOLINFO_PTR_GET_ATTRS: info->get_attrs = amiga_image_getattrs; break;
- case IMGTOOLINFO_PTR_SET_ATTRS: info->set_attrs = amiga_image_setattrs; break;
- case IMGTOOLINFO_PTR_GET_ICON_INFO: info->get_iconinfo = amiga_image_geticoninfo; break;
- case IMGTOOLINFO_PTR_SUGGEST_TRANSFER: info->suggest_transfer = amiga_image_suggesttransfer; break;
- case IMGTOOLINFO_PTR_CREATEIMAGE_OPTGUIDE: info->createimage_optguide = amiga_createimage_optionguide; break;
- }
-}