mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-19 12:32:35 +00:00
dos33: split off the dump code
This commit is contained in:
Vince Weaver
parent
c3a278b76a
commit
fc2c2f3f91
@ -15,9 +15,11 @@ char2hex.o: char2hex.c
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dos33: dos33.o \
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dos33_catalog.o \
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dos33_dump.o \
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dos33_vtoc_bitmap.o
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$(CC) -o dos33 dos33.o \
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dos33_catalog.o \
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dos33_dump.o \
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dos33_vtoc_bitmap.o $(LFLAGS)
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dos33.o: dos33.c dos33.h
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@ -68,6 +70,11 @@ dos33_catalog.o: dos33_catalog.c dos33.h
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###
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dos33_dump.o: dos33_dump.c dos33.h
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$(CC) $(CFLAGS) -c dos33_dump.c
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###
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install:
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cp dos33 dos33_raw mkdos33fs make_b dos33_text2ascii char2hex $(INSTALL_LOC)
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@ -759,391 +759,6 @@ keep_deleting:
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return 0;
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}
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static int dump_sector(unsigned char *sector_buffer) {
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int i,j;
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for(i=0;i<16;i++) {
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printf("$%02X : ",i*16);
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for(j=0;j<16;j++) {
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printf("%02X ",sector_buffer[i*16+j]);
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}
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printf("\n");
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}
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return 0;
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}
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static int dos33_dump(int fd) {
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int num_tracks,catalog_t,catalog_s,file,ts_t,ts_s,ts_total;
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int track,sector;
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int i;
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int deleted=0;
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char temp_string[BUFSIZ];
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unsigned char tslist[BYTES_PER_SECTOR],vtoc[BYTES_PER_SECTOR];
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unsigned char sector_buffer[BYTES_PER_SECTOR];
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int result;
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/* Read Track 1 Sector 9 */
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lseek(fd,DISK_OFFSET(1,9),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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printf("Finding name of startup file, Track 1 Sector 9 offset $75\n");
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dump_sector(sector_buffer);
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printf("Startup Filename: ");
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for(i=0;i<30;i++) {
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printf("%c",sector_buffer[0x75+i]&0x7f);
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}
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printf("\n");
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dos33_read_vtoc(fd,vtoc);
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printf("\nVTOC Sector:\n");
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dump_sector(vtoc);
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printf("\n\n");
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printf("VTOC INFORMATION:\n");
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catalog_t=sector_buffer[VTOC_CATALOG_T];
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catalog_s=sector_buffer[VTOC_CATALOG_S];
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printf("\tFirst Catalog = %02X/%02X\n",catalog_t,catalog_s);
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printf("\tDOS RELEASE = 3.%i\n",sector_buffer[VTOC_DOS_RELEASE]);
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printf("\tDISK VOLUME = %i\n",sector_buffer[VTOC_DISK_VOLUME]);
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ts_total=sector_buffer[VTOC_MAX_TS_PAIRS];
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printf("\tT/S pairs that will fit in T/S List = %i\n",ts_total);
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printf("\tLast track where sectors were allocated = $%02X\n",
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sector_buffer[VTOC_LAST_ALLOC_T]);
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printf("\tDirection of track allocation = %i\n",
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sector_buffer[VTOC_ALLOC_DIRECT]);
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num_tracks=sector_buffer[VTOC_NUM_TRACKS];
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printf("\tNumber of tracks per disk = %i\n",num_tracks);
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printf("\tNumber of sectors per track = %i\n",
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sector_buffer[VTOC_S_PER_TRACK]);
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printf("\tNumber of bytes per sector = %i\n",
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(sector_buffer[VTOC_BYTES_PER_SH]<<8)+
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sector_buffer[VTOC_BYTES_PER_SL]);
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dos33_vtoc_dump_bitmap(sector_buffer,num_tracks);
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repeat_catalog:
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printf("\nCatalog Sector $%02X/$%02x\n",catalog_t,catalog_s);
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lseek(fd,DISK_OFFSET(catalog_t,catalog_s),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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printf("\tNext track/sector $%02X/$%02X (found at offsets $%02X/$%02X\n",
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sector_buffer[CATALOG_NEXT_T],sector_buffer[CATALOG_NEXT_S],
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CATALOG_NEXT_T,CATALOG_NEXT_S);
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dump_sector(sector_buffer);
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for(file=0;file<7;file++) {
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printf("\n\n");
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ts_t=sector_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_T))];
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ts_s=sector_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_S))];
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printf("%i+$%02X/$%02X - ",file,catalog_t,catalog_s);
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deleted=0;
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if (ts_t==0xff) {
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printf("**DELETED** ");
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deleted=1;
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ts_t=sector_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME+0x1e))];
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}
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if (ts_t==0x00) {
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printf("UNUSED!\n");
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goto continue_dump;
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}
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dos33_filename_to_ascii(temp_string,
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sector_buffer+(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME)),30);
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for(i=0;i<strlen(temp_string);i++) {
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if (temp_string[i]<0x20) {
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printf("^%c",temp_string[i]+0x40);
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}
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else {
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printf("%c",temp_string[i]);
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}
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}
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printf("\n");
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printf("\tLocked = %s\n",
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sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]>0x7f?
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"YES":"NO");
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printf("\tType = %c\n",
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dos33_file_type(sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]));
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printf("\tSize in sectors = %i\n",
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sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_L)]+
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(sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_H)]<<8));
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repeat_tsl:
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printf("\tT/S List $%02X/$%02X:\n",ts_t,ts_s);
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if (deleted) goto continue_dump;
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lseek(fd,DISK_OFFSET(ts_t,ts_s),SEEK_SET);
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result=read(fd,&tslist,BYTES_PER_SECTOR);
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for(i=0;i<ts_total;i++) {
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track=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)];
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sector=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)+1];
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if ((track==0) && (sector==0)) printf(".");
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else printf("\n\t\t%02X/%02X",track,sector);
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}
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ts_t=tslist[TSL_NEXT_TRACK];
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ts_s=tslist[TSL_NEXT_SECTOR];
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if (!((ts_s==0) && (ts_t==0))) goto repeat_tsl;
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continue_dump:;
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}
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catalog_t=sector_buffer[CATALOG_NEXT_T];
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catalog_s=sector_buffer[CATALOG_NEXT_S];
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if (catalog_s!=0) {
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file=0;
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goto repeat_catalog;
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}
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printf("\n");
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if (result<0) fprintf(stderr,"Error on I/O\n");
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return 0;
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}
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static int dos33_showfree(int fd) {
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int num_tracks,catalog_t,catalog_s,file,ts_t,ts_s,ts_total;
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int track,sector;
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int i,j;
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int deleted=0;
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char temp_string[BUFSIZ];
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unsigned char tslist[BYTES_PER_SECTOR];
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unsigned char vtoc[BYTES_PER_SECTOR];
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unsigned char sector_buffer[BYTES_PER_SECTOR];
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int result;
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int sectors_per_track;
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int catalog_used;
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int next_letter='a';
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struct file_key_type {
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int ch;
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char *filename;
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} file_key[100];
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int num_files=0;
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unsigned char usage[35][16];
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for(i=0;i<35;i++) for(j=0;j<16;j++) usage[i][j]=0;
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/* Read Track 1 Sector 9 */
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lseek(fd,DISK_OFFSET(1,9),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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printf("Finding name of startup file, Track 1 Sector 9 offset $75\n");
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printf("Startup Filename: ");
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for(i=0;i<30;i++) {
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printf("%c",sector_buffer[0x75+i]&0x7f);
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}
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printf("\n");
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dos33_read_vtoc(fd,vtoc);
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printf("\n");
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printf("VTOC INFORMATION:\n");
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catalog_t=sector_buffer[VTOC_CATALOG_T];
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catalog_s=sector_buffer[VTOC_CATALOG_S];
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printf("\tFirst Catalog = %02X/%02X\n",catalog_t,catalog_s);
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printf("\tDOS RELEASE = 3.%i\n",sector_buffer[VTOC_DOS_RELEASE]);
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printf("\tDISK VOLUME = %i\n",sector_buffer[VTOC_DISK_VOLUME]);
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ts_total=sector_buffer[VTOC_MAX_TS_PAIRS];
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printf("\tT/S pairs that will fit in T/S List = %i\n",ts_total);
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printf("\tLast track where sectors were allocated = $%02X\n",
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sector_buffer[VTOC_LAST_ALLOC_T]);
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printf("\tDirection of track allocation = %i\n",
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sector_buffer[VTOC_ALLOC_DIRECT]);
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num_tracks=sector_buffer[VTOC_NUM_TRACKS];
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printf("\tNumber of tracks per disk = %i\n",num_tracks);
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printf("\tNumber of sectors per track = %i\n",
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sector_buffer[VTOC_S_PER_TRACK]);
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sectors_per_track=sector_buffer[VTOC_S_PER_TRACK];
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printf("\tNumber of bytes per sector = %i\n",
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(sector_buffer[VTOC_BYTES_PER_SH]<<8)+
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sector_buffer[VTOC_BYTES_PER_SL]);
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printf("\nFree sector bitmap:\n\n");
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printf("\t 1111111111111111222\n");
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printf("\t0123456789ABCDEF0123456789ABCDEF012\n");
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for(j=0;j<sectors_per_track;j++) {
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printf("$%01X:\t",j);
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for(i=0;i<num_tracks;i++) {
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if (j<8) {
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if ((sector_buffer[VTOC_FREE_BITMAPS+(i*4)]<<j)&0x80) {
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printf(".");
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}
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else {
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printf("U");
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}
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}
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else {
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if ((sector_buffer[VTOC_FREE_BITMAPS+(i*4)+1]<<j)&0x80) {
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printf(".");
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}
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else {
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printf("U");
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}
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}
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}
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printf("\n");
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}
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printf("Key: U=used, .=free\n\n");
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/* Reserve DOS */
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for(i=0;i<3;i++) for(j=0;j<16;j++) usage[i][j]='$';
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/* Reserve CATALOG (not all used?) */
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i=0x11;
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for(j=0;j<16;j++) usage[i][j]='#';
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repeat_catalog:
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catalog_used=0;
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// printf("\nCatalog Sector $%02X/$%02x\n",catalog_t,catalog_s);
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lseek(fd,DISK_OFFSET(catalog_t,catalog_s),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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// dump_sector();
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for(file=0;file<7;file++) {
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// printf("\n\n");
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ts_t=sector_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_T))];
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ts_s=sector_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_S))];
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// printf("%i+$%02X/$%02X - ",file,catalog_t,catalog_s);
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deleted=0;
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if (ts_t==0xff) {
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printf("**DELETED** ");
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deleted=1;
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ts_t=sector_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME+0x1e))];
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}
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if (ts_t==0x00) {
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// printf("UNUSED!\n");
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goto continue_dump;
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}
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dos33_filename_to_ascii(temp_string,
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sector_buffer+(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME)),
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30);
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for(i=0;i<strlen(temp_string);i++) {
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if (temp_string[i]<0x20) {
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printf("^%c",temp_string[i]+0x40);
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}
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else {
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printf("%c",temp_string[i]);
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}
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}
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printf("\n");
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// printf("\tLocked = %s\n",
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// sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]>0x7f?
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// "YES":"NO");
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// printf("\tType = %c\n",
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// dos33_file_type(sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]));
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// printf("\tSize in sectors = %i\n",
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// sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_L)]+
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// (sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_H)]<<8));
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if (!deleted) {
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catalog_used++;
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usage[catalog_t][catalog_s]='@';
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}
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repeat_tsl:
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// printf("\tT/S List $%02X/$%02X:\n",ts_t,ts_s);
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if (deleted) goto continue_dump;
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usage[ts_t][ts_s]=next_letter;
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file_key[num_files].ch=next_letter;
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file_key[num_files].filename=strdup(temp_string);
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num_files++;
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lseek(fd,DISK_OFFSET(ts_t,ts_s),SEEK_SET);
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result=read(fd,&tslist,BYTES_PER_SECTOR);
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for(i=0;i<ts_total;i++) {
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track=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)];
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sector=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)+1];
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if ((track==0) && (sector==0)) {
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//printf(".");
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}
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else {
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// printf("\n\t\t%02X/%02X",track,sector);
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usage[track][sector]=toupper(next_letter);
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}
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}
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ts_t=tslist[TSL_NEXT_TRACK];
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ts_s=tslist[TSL_NEXT_SECTOR];
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if (!((ts_s==0) && (ts_t==0))) goto repeat_tsl;
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continue_dump:;
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next_letter++;
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}
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catalog_t=sector_buffer[CATALOG_NEXT_T];
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catalog_s=sector_buffer[CATALOG_NEXT_S];
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if (catalog_s!=0) {
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file=0;
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goto repeat_catalog;
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}
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printf("\n");
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if (result<0) fprintf(stderr,"Error on I/O\n");
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printf("\nDetailed sector bitmap:\n\n");
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printf("\t 1111111111111111222\n");
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printf("\t0123456789ABCDEF0123456789ABCDEF012\n");
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for(j=0;j<sectors_per_track;j++) {
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printf("$%01X:\t",j);
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for(i=0;i<num_tracks;i++) {
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if (usage[i][j]==0) printf(".");
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else printf("%c",usage[i][j]);
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}
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printf("\n");
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}
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printf("Key: $=DOS, @=catalog used, #=catalog reserved, .=free\n\n");
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for(i=0;i<num_files;i++) {
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printf("\t%c %s\n",file_key[i].ch,file_key[i].filename);
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}
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return 0;
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}
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/* ??? */
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static int dos33_rename_hello(int fd, char *new_name) {
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@ -1546,12 +1161,12 @@ int main(int argc, char **argv) {
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case COMMAND_DUMP:
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printf("Dumping %s!\n",image);
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dos33_dump(dos_fd);
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dos33_dump(vtoc,dos_fd);
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break;
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case COMMAND_SHOWFREE:
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printf("Showing Free %s!\n",image);
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dos33_showfree(dos_fd);
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dos33_showfree(vtoc,dos_fd);
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break;
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case COMMAND_LOCK:
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@ -70,3 +70,7 @@ unsigned char dos33_char_to_type(char type, int lock);
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void dos33_catalog(int dos_fd, unsigned char *vtoc);
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char *dos33_filename_to_ascii(char *dest,unsigned char *src,int len);
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unsigned char dos33_file_type(int value);
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/* dos33_dump.c */
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int dos33_dump(unsigned char *vtoc, int fd);
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int dos33_showfree(unsigned char *vtoc, int fd);
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349
utils/dos33fs-utils/dos33_dump.c
Normal file
349
utils/dos33fs-utils/dos33_dump.c
Normal file
@ -0,0 +1,349 @@
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <unistd.h>
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#include "version.h"
|
||||
|
||||
#include "dos33.h"
|
||||
|
||||
|
||||
static int dump_sector(unsigned char *sector_buffer) {
|
||||
|
||||
int i,j;
|
||||
|
||||
for(i=0;i<16;i++) {
|
||||
printf("$%02X : ",i*16);
|
||||
for(j=0;j<16;j++) {
|
||||
printf("%02X ",sector_buffer[i*16+j]);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void dump_vtoc(unsigned char *vtoc) {
|
||||
|
||||
int num_tracks,catalog_t,catalog_s,ts_total;
|
||||
|
||||
printf("\nVTOC Sector:\n");
|
||||
dump_sector(vtoc);
|
||||
|
||||
printf("\n\n");
|
||||
printf("VTOC INFORMATION:\n");
|
||||
catalog_t=vtoc[VTOC_CATALOG_T];
|
||||
catalog_s=vtoc[VTOC_CATALOG_S];
|
||||
printf("\tFirst Catalog = %02X/%02X\n",catalog_t,catalog_s);
|
||||
printf("\tDOS RELEASE = 3.%i\n",vtoc[VTOC_DOS_RELEASE]);
|
||||
printf("\tDISK VOLUME = %i\n",vtoc[VTOC_DISK_VOLUME]);
|
||||
ts_total=vtoc[VTOC_MAX_TS_PAIRS];
|
||||
printf("\tT/S pairs that will fit in T/S List = %i\n",ts_total);
|
||||
|
||||
printf("\tLast track where sectors were allocated = $%02X\n",
|
||||
vtoc[VTOC_LAST_ALLOC_T]);
|
||||
printf("\tDirection of track allocation = %i\n",
|
||||
vtoc[VTOC_ALLOC_DIRECT]);
|
||||
|
||||
num_tracks=vtoc[VTOC_NUM_TRACKS];
|
||||
printf("\tNumber of tracks per disk = %i\n",num_tracks);
|
||||
printf("\tNumber of sectors per track = %i\n",
|
||||
vtoc[VTOC_S_PER_TRACK]);
|
||||
printf("\tNumber of bytes per sector = %i\n",
|
||||
(vtoc[VTOC_BYTES_PER_SH]<<8)+
|
||||
vtoc[VTOC_BYTES_PER_SL]);
|
||||
|
||||
}
|
||||
|
||||
|
||||
int dos33_dump(unsigned char *vtoc, int fd) {
|
||||
|
||||
int num_tracks,catalog_t,catalog_s,file,ts_t,ts_s,ts_total;
|
||||
int track,sector;
|
||||
int i;
|
||||
int deleted=0;
|
||||
char temp_string[BUFSIZ];
|
||||
unsigned char tslist[BYTES_PER_SECTOR];
|
||||
unsigned char catalog_buffer[BYTES_PER_SECTOR];
|
||||
unsigned char data[BYTES_PER_SECTOR];
|
||||
int result;
|
||||
|
||||
/* Read Track 1 Sector 9 */
|
||||
lseek(fd,DISK_OFFSET(1,9),SEEK_SET);
|
||||
result=read(fd,data,BYTES_PER_SECTOR);
|
||||
|
||||
printf("Finding name of startup file, Track 1 Sector 9 offset $75\n");
|
||||
|
||||
if (data[0x75]!=0) {
|
||||
printf("Startup Filename: ");
|
||||
for(i=0;i<30;i++) {
|
||||
printf("%c",data[0x75+i]&0x7f);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
dump_vtoc(vtoc);
|
||||
|
||||
catalog_t=vtoc[VTOC_CATALOG_T];
|
||||
catalog_s=vtoc[VTOC_CATALOG_S];
|
||||
ts_total=vtoc[VTOC_MAX_TS_PAIRS];
|
||||
num_tracks=vtoc[VTOC_NUM_TRACKS];
|
||||
|
||||
dos33_vtoc_dump_bitmap(vtoc,num_tracks);
|
||||
|
||||
repeat_catalog:
|
||||
|
||||
printf("\nCatalog Sector $%02X/$%02x\n",catalog_t,catalog_s);
|
||||
lseek(fd,DISK_OFFSET(catalog_t,catalog_s),SEEK_SET);
|
||||
result=read(fd,catalog_buffer,BYTES_PER_SECTOR);
|
||||
|
||||
printf("\tNext track/sector $%02X/$%02X (found at offsets $%02X/$%02X\n",
|
||||
catalog_buffer[CATALOG_NEXT_T],catalog_buffer[CATALOG_NEXT_S],
|
||||
CATALOG_NEXT_T,CATALOG_NEXT_S);
|
||||
|
||||
dump_sector(catalog_buffer);
|
||||
|
||||
for(file=0;file<7;file++) {
|
||||
printf("\n\n");
|
||||
|
||||
ts_t=catalog_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_T))];
|
||||
ts_s=catalog_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_S))];
|
||||
|
||||
printf("%i+$%02X/$%02X - ",file,catalog_t,catalog_s);
|
||||
deleted=0;
|
||||
|
||||
if (ts_t==0xff) {
|
||||
printf("**DELETED** ");
|
||||
deleted=1;
|
||||
ts_t=catalog_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME+0x1e))];
|
||||
}
|
||||
|
||||
if (ts_t==0x00) {
|
||||
printf("UNUSED!\n");
|
||||
goto continue_dump;
|
||||
}
|
||||
|
||||
dos33_filename_to_ascii(temp_string,
|
||||
catalog_buffer+(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME)),30);
|
||||
|
||||
for(i=0;i<strlen(temp_string);i++) {
|
||||
if (temp_string[i]<0x20) {
|
||||
printf("^%c",temp_string[i]+0x40);
|
||||
}
|
||||
else {
|
||||
printf("%c",temp_string[i]);
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
printf("\tLocked = %s\n",
|
||||
catalog_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]>0x7f?
|
||||
"YES":"NO");
|
||||
printf("\tType = %c\n",
|
||||
dos33_file_type(catalog_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]));
|
||||
printf("\tSize in sectors = %i\n",
|
||||
catalog_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_L)]+
|
||||
(catalog_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_H)]<<8));
|
||||
|
||||
repeat_tsl:
|
||||
printf("\tT/S List $%02X/$%02X:\n",ts_t,ts_s);
|
||||
if (deleted) goto continue_dump;
|
||||
lseek(fd,DISK_OFFSET(ts_t,ts_s),SEEK_SET);
|
||||
result=read(fd,&tslist,BYTES_PER_SECTOR);
|
||||
|
||||
for(i=0;i<ts_total;i++) {
|
||||
track=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)];
|
||||
sector=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)+1];
|
||||
if ((track==0) && (sector==0)) printf(".");
|
||||
else printf("\n\t\t%02X/%02X",track,sector);
|
||||
}
|
||||
ts_t=tslist[TSL_NEXT_TRACK];
|
||||
ts_s=tslist[TSL_NEXT_SECTOR];
|
||||
|
||||
if (!((ts_s==0) && (ts_t==0))) goto repeat_tsl;
|
||||
continue_dump:;
|
||||
}
|
||||
|
||||
catalog_t=catalog_buffer[CATALOG_NEXT_T];
|
||||
catalog_s=catalog_buffer[CATALOG_NEXT_S];
|
||||
|
||||
if (catalog_s!=0) {
|
||||
file=0;
|
||||
goto repeat_catalog;
|
||||
}
|
||||
|
||||
printf("\n");
|
||||
|
||||
if (result<0) fprintf(stderr,"Error on I/O\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int dos33_showfree(unsigned char *vtoc, int fd) {
|
||||
|
||||
int num_tracks,catalog_t,catalog_s,file,ts_t,ts_s,ts_total;
|
||||
int track,sector;
|
||||
int i,j;
|
||||
int deleted=0;
|
||||
char temp_string[BUFSIZ];
|
||||
unsigned char tslist[BYTES_PER_SECTOR];
|
||||
unsigned char catalog_buffer[BYTES_PER_SECTOR];
|
||||
int result;
|
||||
|
||||
int sectors_per_track;
|
||||
int catalog_used;
|
||||
int next_letter='a';
|
||||
struct file_key_type {
|
||||
int ch;
|
||||
char *filename;
|
||||
} file_key[100];
|
||||
int num_files=0;
|
||||
|
||||
|
||||
unsigned char usage[35][16];
|
||||
|
||||
for(i=0;i<35;i++) for(j=0;j<16;j++) usage[i][j]=0;
|
||||
|
||||
dump_vtoc(vtoc);
|
||||
|
||||
catalog_t=vtoc[VTOC_CATALOG_T];
|
||||
catalog_s=vtoc[VTOC_CATALOG_S];
|
||||
ts_total=vtoc[VTOC_MAX_TS_PAIRS];
|
||||
num_tracks=vtoc[VTOC_NUM_TRACKS];
|
||||
sectors_per_track=vtoc[VTOC_S_PER_TRACK];
|
||||
|
||||
dos33_vtoc_dump_bitmap(vtoc,num_tracks);
|
||||
|
||||
/* Reserve DOS */
|
||||
for(i=0;i<3;i++) for(j=0;j<16;j++) usage[i][j]='$';
|
||||
|
||||
/* Reserve CATALOG (not all used?) */
|
||||
i=0x11;
|
||||
for(j=0;j<16;j++) usage[i][j]='#';
|
||||
|
||||
|
||||
repeat_catalog:
|
||||
|
||||
catalog_used=0;
|
||||
|
||||
// printf("\nCatalog Sector $%02X/$%02x\n",catalog_t,catalog_s);
|
||||
lseek(fd,DISK_OFFSET(catalog_t,catalog_s),SEEK_SET);
|
||||
result=read(fd,catalog_buffer,BYTES_PER_SECTOR);
|
||||
|
||||
|
||||
// dump_sector();
|
||||
|
||||
for(file=0;file<7;file++) {
|
||||
// printf("\n\n");
|
||||
|
||||
ts_t=catalog_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_T))];
|
||||
ts_s=catalog_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_S))];
|
||||
|
||||
// printf("%i+$%02X/$%02X - ",file,catalog_t,catalog_s);
|
||||
deleted=0;
|
||||
|
||||
if (ts_t==0xff) {
|
||||
printf("**DELETED** ");
|
||||
deleted=1;
|
||||
ts_t=catalog_buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME+0x1e))];
|
||||
}
|
||||
|
||||
if (ts_t==0x00) {
|
||||
// printf("UNUSED!\n");
|
||||
goto continue_dump;
|
||||
}
|
||||
|
||||
dos33_filename_to_ascii(temp_string,
|
||||
catalog_buffer+(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME)),
|
||||
30);
|
||||
|
||||
for(i=0;i<strlen(temp_string);i++) {
|
||||
if (temp_string[i]<0x20) {
|
||||
printf("^%c",temp_string[i]+0x40);
|
||||
}
|
||||
else {
|
||||
printf("%c",temp_string[i]);
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
// printf("\tLocked = %s\n",
|
||||
// sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]>0x7f?
|
||||
// "YES":"NO");
|
||||
// printf("\tType = %c\n",
|
||||
// dos33_file_type(sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]));
|
||||
// printf("\tSize in sectors = %i\n",
|
||||
// sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_L)]+
|
||||
// (sector_buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_H)]<<8));
|
||||
|
||||
if (!deleted) {
|
||||
catalog_used++;
|
||||
usage[catalog_t][catalog_s]='@';
|
||||
}
|
||||
|
||||
repeat_tsl:
|
||||
// printf("\tT/S List $%02X/$%02X:\n",ts_t,ts_s);
|
||||
if (deleted) goto continue_dump;
|
||||
|
||||
usage[ts_t][ts_s]=next_letter;
|
||||
file_key[num_files].ch=next_letter;
|
||||
file_key[num_files].filename=strdup(temp_string);
|
||||
|
||||
num_files++;
|
||||
|
||||
|
||||
lseek(fd,DISK_OFFSET(ts_t,ts_s),SEEK_SET);
|
||||
result=read(fd,&tslist,BYTES_PER_SECTOR);
|
||||
|
||||
for(i=0;i<ts_total;i++) {
|
||||
track=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)];
|
||||
sector=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)+1];
|
||||
if ((track==0) && (sector==0)) {
|
||||
//printf(".");
|
||||
}
|
||||
else {
|
||||
// printf("\n\t\t%02X/%02X",track,sector);
|
||||
usage[track][sector]=toupper(next_letter);
|
||||
}
|
||||
}
|
||||
ts_t=tslist[TSL_NEXT_TRACK];
|
||||
ts_s=tslist[TSL_NEXT_SECTOR];
|
||||
|
||||
if (!((ts_s==0) && (ts_t==0))) goto repeat_tsl;
|
||||
continue_dump:;
|
||||
|
||||
next_letter++;
|
||||
}
|
||||
|
||||
catalog_t=catalog_buffer[CATALOG_NEXT_T];
|
||||
catalog_s=catalog_buffer[CATALOG_NEXT_S];
|
||||
|
||||
if (catalog_s!=0) {
|
||||
file=0;
|
||||
goto repeat_catalog;
|
||||
}
|
||||
|
||||
printf("\n");
|
||||
|
||||
if (result<0) fprintf(stderr,"Error on I/O\n");
|
||||
|
||||
printf("\nDetailed sector bitmap:\n\n");
|
||||
printf("\t 1111111111111111222\n");
|
||||
printf("\t0123456789ABCDEF0123456789ABCDEF012\n");
|
||||
|
||||
for(j=0;j<sectors_per_track;j++) {
|
||||
printf("$%01X:\t",j);
|
||||
for(i=0;i<num_tracks;i++) {
|
||||
if (usage[i][j]==0) printf(".");
|
||||
else printf("%c",usage[i][j]);
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
}
|
||||
|
||||
printf("Key: $=DOS, @=catalog used, #=catalog reserved, .=free\n\n");
|
||||
for(i=0;i<num_files;i++) {
|
||||
printf("\t%c %s\n",file_key[i].ch,file_key[i].filename);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user