mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-02-23 20:29:15 +00:00
1340 lines
32 KiB
C
1340 lines
32 KiB
C
#include <stdio.h>
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#include <stdlib.h> /* exit() */
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#include <string.h> /* strncpy() */
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#include <sys/stat.h> /* struct stat */
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#include <fcntl.h> /* O_RDONLY */
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#include <unistd.h> /* lseek() */
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#include <ctype.h> /* toupper() */
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#include <errno.h>
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#include "version.h"
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#include "prodos.h"
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static int ignore_errors=0;
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int debug=0;
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/* Read volume directory into a buffer */
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static int prodos_read_voldir(int fd, struct voldir_t *voldir,
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int interleave, int image_offset) {
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int result;
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unsigned char voldir_buffer[PRODOS_BYTES_PER_BLOCK];
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voldir->interleave=interleave;
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voldir->image_offset=image_offset;
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/* read in VOLDIR KEY Block*/
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voldir->fd=fd;
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result=prodos_read_block(voldir,voldir_buffer,PRODOS_VOLDIR_KEY_BLOCK);
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if (result<0) {
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fprintf(stderr,"Error reading VOLDIR\n");
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return -1;
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}
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voldir->fd=fd;
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voldir->storage_type=(voldir_buffer[0x4]>>4)&0xf;
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voldir->name_length=(voldir_buffer[0x4]&0xf);
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if (voldir->storage_type!=0xf) {
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fprintf(stderr,"ERROR! Expected storage type F\n");
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}
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memcpy(voldir->volume_name,&voldir_buffer[0x5],voldir->name_length);
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voldir->volume_name[voldir->name_length]=0;
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voldir->creation_time=(voldir_buffer[0x1c]<<16)|
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(voldir_buffer[0x1d]<<24)|
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(voldir_buffer[0x1e]<<0)|
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(voldir_buffer[0x1f]<<8);
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voldir->version=voldir_buffer[0x20];
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voldir->min_version=voldir_buffer[0x21];
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voldir->access=voldir_buffer[0x22];
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voldir->entry_length=voldir_buffer[0x23];
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if (voldir->entry_length!=PRODOS_FILE_DESC_LEN) {
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printf("Error! Unexpected desc len %d\n",
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voldir->entry_length);
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}
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voldir->entries_per_block=voldir_buffer[0x24];
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voldir->file_count=voldir_buffer[0x25]|(voldir_buffer[0x26]<<8);
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voldir->bit_map_pointer=voldir_buffer[0x27]|(voldir_buffer[0x28]<<8);
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voldir->total_blocks=voldir_buffer[0x29]|(voldir_buffer[0x2A]<<8);
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voldir->next_block=voldir_buffer[0x2]|(voldir_buffer[0x3]<<8);
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return 0;
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}
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/* Given filename, return voldir/offset */
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static int prodos_lookup_file(struct voldir_t *voldir,
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char *filename) {
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int voldir_block,voldir_offset;
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struct file_entry_t file_entry;
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unsigned char voldir_buffer[PRODOS_BYTES_PER_BLOCK];
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int result,file;
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voldir_block=PRODOS_VOLDIR_KEY_BLOCK;
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voldir_offset=1; /* skip the header */
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while(1) {
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/* Read in Block */
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result=prodos_read_block(voldir,
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voldir_buffer,voldir_block);
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if (result<0) {
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fprintf(stderr,"Error on I/O\n");
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return -1;
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}
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for(file=voldir_offset;
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file<voldir->entries_per_block;file++) {
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prodos_populate_filedesc(
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voldir_buffer+4+file*PRODOS_FILE_DESC_LEN,
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&file_entry);
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/* FIXME: case insensitive? */
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if (!strncmp(filename,(char *)file_entry.file_name,15)) {
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return (voldir_block<<8)|file;
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}
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}
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voldir_offset=0;
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voldir_block=voldir_buffer[2]|(voldir_buffer[3]<<8);
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if (voldir_block==0) break;
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}
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return -1;
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}
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/* Checks if "filename" exists */
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/* returns file type */
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static int prodos_check_file_exists(struct voldir_t *voldir,
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char *filename,
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struct file_entry_t *file) {
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int catalog_block,catalog_offset,catalog_inode;
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catalog_block=PRODOS_VOLDIR_KEY_BLOCK;
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catalog_offset=0; /* skip the header */
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catalog_inode=(catalog_block<<8)|catalog_offset;
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while(1) {
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catalog_inode=prodos_find_next_file(catalog_inode,voldir);
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if (catalog_inode==-1) break;
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}
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return 0;
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}
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static int prodos_free_block(struct voldir_t *voldir,int block) {
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#if 0
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int result;
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/* mark as free using VOLDIR */
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result=prodos_voldir_free_block(voldir,block);
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/* write modified VTOC back out */
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lseek(fd,DISK_OFFSET(PRODOS_VOLDIR_TRACK,PRODOS_VOLDIR_BLOCK),SEEK_SET);
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result=write(fd,&voldir,PRODOS_BYTES_PER_BLOCK);
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if (result<0) {
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fprintf(stderr,"Error on I/O\n");
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}
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#endif
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return 0;
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}
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static int prodos_allocate_sector(int fd, struct voldir_t *voldir) {
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#if 0
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int found_track=0,found_sector=0;
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int result;
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/* Find an empty sector */
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result=prodos_voldir_find_free_sector(voldir,&found_track,&found_sector);
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if (result<0) {
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fprintf(stderr,"ERROR: prodos_allocate_sector: Disk full!\n");
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return -1;
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}
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/* store new track/direction info */
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voldir[VTOC_LAST_ALLOC_T]=found_track;
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// if (found_track>PRODOS_VOLDIR_TRACK) vtoc[VTOC_ALLOC_DIRECT]=1;
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// else vtoc[VTOC_ALLOC_DIRECT]=-1;
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/* Seek to VTOC */
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lseek(fd,DISK_OFFSET(PRODOS_VOLDIR_TRACK,PRODOS_VOLDIR_BLOCK),SEEK_SET);
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/* Write out VTOC */
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result=write(fd,voldir,PRODOS_BYTES_PER_BLOCK);
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if (result<0) fprintf(stderr,"Error on I/O\n");
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return ((found_track<<8)+found_sector);
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#endif
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return 0;
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}
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#define ERROR_INVALID_FILENAME 1
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#define ERROR_FILE_NOT_FOUND 2
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#define ERROR_NO_SPACE 3
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#define ERROR_IMAGE_NOT_FOUND 4
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#define ERROR_CATALOG_FULL 5
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#define ADD_RAW 0
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#define ADD_BINARY 1
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/* creates file apple_filename on the image from local file filename */
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/* returns ?? */
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static int prodos_add_file(struct voldir_t *voldir,
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int fd, char dos_type,
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int file_type, int address, int length,
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char *filename, char *apple_filename) {
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#if 0
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int free_space,file_size,needed_sectors;
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struct stat file_info;
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int size_in_sectors=0;
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int initial_ts_list=0,ts_list=0,i,data_ts,x,bytes_read=0,old_ts_list;
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int catalog_track,catalog_sector,sectors_used=0;
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int input_fd;
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int result;
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int first_write=1;
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unsigned char ts_buffer[PRODOS_BYTES_PER_BLOCK];
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unsigned char catalog_buffer[PRODOS_BYTES_PER_BLOCK];
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unsigned char data_buffer[PRODOS_BYTES_PER_BLOCK];
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if (apple_filename[0]<64) {
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fprintf(stderr,"Error! First char of filename "
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"must be ASCII 64 or above!\n");
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if (!ignore_errors) return ERROR_INVALID_FILENAME;
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}
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/* Check for comma in filename */
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for(i=0;i<strlen(apple_filename);i++) {
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if (apple_filename[i]==',') {
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fprintf(stderr,"Error! "
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"Cannot have , in a filename!\n");
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return ERROR_INVALID_FILENAME;
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}
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}
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/* FIXME */
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/* check type */
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/* and sanity check a/b filesize is set properly */
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/* Determine size of file to upload */
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if (stat(filename,&file_info)<0) {
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fprintf(stderr,"Error! %s not found!\n",filename);
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return ERROR_FILE_NOT_FOUND;
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}
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file_size=(int)file_info.st_size;
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if (debug) printf("Filesize: %d\n",file_size);
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if (file_type==ADD_BINARY) {
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if (debug) printf("Adding 4 bytes for size/offset\n");
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if (length==0) length=file_size;
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file_size+=4;
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}
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/* We need to round up to nearest sector size */
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/* Add an extra sector for the T/S list */
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/* Then add extra sector for a T/S list every 122*256 bytes (~31k) */
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needed_sectors=(file_size/PRODOS_BYTES_PER_BLOCK)+ /* round sectors */
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((file_size%PRODOS_BYTES_PER_BLOCK)!=0)+/* tail if needed */
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1+/* first T/S list */
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(file_size/(122*PRODOS_BYTES_PER_BLOCK)); /* extra t/s lists */
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/* Get free space on device */
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free_space=prodos_vtoc_free_space(voldir);
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/* Check for free space */
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if (needed_sectors*PRODOS_BYTES_PER_BLOCK>free_space) {
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fprintf(stderr,"Error! Not enough free space "
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"on disk image (need %d have %d)\n",
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needed_sectors*PRODOS_BYTES_PER_BLOCK,free_space);
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return ERROR_NO_SPACE;
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}
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/* plus one because we need a sector for the tail */
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size_in_sectors=(file_size/PRODOS_BYTES_PER_BLOCK)+
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((file_size%PRODOS_BYTES_PER_BLOCK)!=0);
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if (debug) printf("Need to allocate %i data sectors\n",size_in_sectors);
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if (debug) printf("Need to allocate %i total sectors\n",needed_sectors);
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/* Open the local file */
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input_fd=open(filename,O_RDONLY);
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if (input_fd<0) {
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fprintf(stderr,"Error! could not open %s\n",filename);
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return ERROR_IMAGE_NOT_FOUND;
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}
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i=0;
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while (i<size_in_sectors) {
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/* Create new T/S list if necessary */
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if (i%TSL_MAX_NUMBER==0) {
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old_ts_list=ts_list;
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/* allocate a sector for the new list */
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ts_list=prodos_allocate_sector(fd,voldir);
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sectors_used++;
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if (ts_list<0) return -1;
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/* clear the t/s sector */
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memset(ts_buffer,0,PRODOS_BYTES_PER_BLOCK);
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lseek(fd,DISK_OFFSET((ts_list>>8)&0xff,ts_list&0xff),SEEK_SET);
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result=write(fd,ts_buffer,PRODOS_BYTES_PER_BLOCK);
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if (i==0) {
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initial_ts_list=ts_list;
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}
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else {
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/* we aren't the first t/s list so do special stuff */
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/* load in the old t/s list */
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lseek(fd,
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DISK_OFFSET(get_high_byte(old_ts_list),
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get_low_byte(old_ts_list)),
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SEEK_SET);
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result=read(fd,ts_buffer,PRODOS_BYTES_PER_BLOCK);
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/* point from old ts list to new one we just made */
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ts_buffer[TSL_NEXT_TRACK]=get_high_byte(ts_list);
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ts_buffer[TSL_NEXT_SECTOR]=get_low_byte(ts_list);
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/* set offset into file */
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ts_buffer[TSL_OFFSET_H]=get_high_byte((i-122)*256);
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ts_buffer[TSL_OFFSET_L]=get_low_byte((i-122)*256);
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/* write out the old t/s list with updated info */
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lseek(fd,
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DISK_OFFSET(get_high_byte(old_ts_list),
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get_low_byte(old_ts_list)),
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SEEK_SET);
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result=write(fd,ts_buffer,PRODOS_BYTES_PER_BLOCK);
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}
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}
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/* allocate a sector */
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data_ts=prodos_allocate_sector(fd,voldir);
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sectors_used++;
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if (data_ts<0) return -1;
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/* clear data sector */
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memset(data_buffer,0,PRODOS_BYTES_PER_BLOCK);
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/* read from input */
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if ((first_write) && (file_type==ADD_BINARY)) {
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first_write=0;
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data_buffer[0]=address&0xff;
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data_buffer[1]=(address>>8)&0xff;
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data_buffer[2]=(length)&0xff;
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data_buffer[3]=((length)>>8)&0xff;
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bytes_read=read(input_fd,data_buffer+4,
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PRODOS_BYTES_PER_BLOCK-4);
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bytes_read+=4;
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}
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else {
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bytes_read=read(input_fd,data_buffer,
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PRODOS_BYTES_PER_BLOCK);
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}
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first_write=0;
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if (bytes_read<0) fprintf(stderr,"Error reading bytes!\n");
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/* write to disk image */
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lseek(fd,DISK_OFFSET((data_ts>>8)&0xff,data_ts&0xff),SEEK_SET);
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result=write(fd,data_buffer,PRODOS_BYTES_PER_BLOCK);
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if (debug) {
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printf("Writing %i bytes to %i/%i\n",
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bytes_read,(data_ts>>8)&0xff,data_ts&0xff);
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}
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/* add to T/s table */
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/* read in t/s list */
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lseek(fd,DISK_OFFSET((ts_list>>8)&0xff,ts_list&0xff),SEEK_SET);
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result=read(fd,ts_buffer,PRODOS_BYTES_PER_BLOCK);
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/* point to new data sector */
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ts_buffer[((i%TSL_MAX_NUMBER)*2)+TSL_LIST]=(data_ts>>8)&0xff;
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ts_buffer[((i%TSL_MAX_NUMBER)*2)+TSL_LIST+1]=(data_ts&0xff);
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/* write t/s list back out */
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lseek(fd,DISK_OFFSET((ts_list>>8)&0xff,ts_list&0xff),SEEK_SET);
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result=write(fd,ts_buffer,PRODOS_BYTES_PER_BLOCK);
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i++;
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}
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/* Add new file to Catalog */
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catalog_track=voldir[VTOC_CATALOG_T];
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catalog_sector=voldir[VTOC_CATALOG_S];
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continue_parsing_catalog:
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/* Read in Catalog Sector */
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lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
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result=read(fd,catalog_buffer,PRODOS_BYTES_PER_BLOCK);
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if (result!=PRODOS_BYTES_PER_BLOCK) {
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fprintf(stderr,"Catalog: Error, only read %d bytes at $%02X:$%02X (%s)\n",
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result,catalog_track,catalog_sector,strerror(errno));
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return ERROR_NO_SPACE;
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}
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/* Find empty directory entry */
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i=0;
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while(i<7) {
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/* for undelete purposes might want to skip 0xff */
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/* (deleted) files first and only use if no room */
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if ((catalog_buffer[CATALOG_FILE_LIST+
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(i*CATALOG_ENTRY_SIZE)]==0xff) ||
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(catalog_buffer[CATALOG_FILE_LIST+
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(i*CATALOG_ENTRY_SIZE)]==0x00)) {
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goto got_a_dentry;
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}
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i++;
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}
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if ((catalog_track=0x11) && (catalog_sector==1)) {
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/* in theory can only have 105 files */
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/* if full, we have no recourse! */
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/* can we allocate new catalog sectors */
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/* and point to them?? */
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fprintf(stderr,"Error! No more room for files!\n");
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return ERROR_CATALOG_FULL;
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}
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catalog_track=catalog_buffer[CATALOG_NEXT_T];
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catalog_sector=catalog_buffer[CATALOG_NEXT_S];
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goto continue_parsing_catalog;
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got_a_dentry:
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// printf("Adding file at entry %i of catalog 0x%x:0x%x\n",
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// i,catalog_track,catalog_sector);
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/* Point entry to initial t/s list */
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)]=(initial_ts_list>>8)&0xff;
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)+1]=(initial_ts_list&0xff);
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/* set file type */
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)+FILE_TYPE]=
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prodos_char_to_type(dos_type,0);
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// printf("Pointing T/S to %x/%x\n",(initial_ts_list>>8)&0xff,initial_ts_list&0xff);
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/* copy over filename */
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for(x=0;x<strlen(apple_filename);x++) {
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)+FILE_NAME+x]=
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apple_filename[x]^0x80;
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}
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/* pad out the filename with spaces */
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for(x=strlen(apple_filename);x<FILE_NAME_SIZE;x++) {
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)+FILE_NAME+x]=' '^0x80;
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}
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/* fill in filesize in sectors */
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)+FILE_SIZE_L]=
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sectors_used&0xff;
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catalog_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)+FILE_SIZE_H]=
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(sectors_used>>8)&0xff;
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/* write out catalog sector */
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lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
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result=write(fd,catalog_buffer,PRODOS_BYTES_PER_BLOCK);
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if (result<0) fprintf(stderr,"Error on I/O\n");
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#endif
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return 0;
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}
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int prodos_get_file_entry(struct voldir_t *voldir,
|
|
int inode, struct file_entry_t *file) {
|
|
|
|
unsigned char voldir_buffer[PRODOS_BYTES_PER_BLOCK];
|
|
int block,offset;
|
|
int result;
|
|
|
|
block=(inode>>8);
|
|
offset=(inode&0xff);
|
|
|
|
|
|
result=prodos_read_block(voldir,voldir_buffer,block);
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
|
|
prodos_populate_filedesc(voldir_buffer+4+offset*PRODOS_FILE_DESC_LEN,
|
|
file);
|
|
|
|
return 0;
|
|
|
|
|
|
}
|
|
|
|
/* load a file from the disk image. */
|
|
/* inode = voldirblock<<8 | entry */
|
|
static int prodos_load_file(struct voldir_t *voldir,
|
|
int inode,char *filename) {
|
|
|
|
int output_fd;
|
|
unsigned char data[PRODOS_BYTES_PER_BLOCK];
|
|
unsigned char index_block[PRODOS_BYTES_PER_BLOCK];
|
|
unsigned char master_index_block[PRODOS_BYTES_PER_BLOCK];
|
|
int result,chunk,chunk_block,index,blocks_left,read_blocks;
|
|
struct file_entry_t file;
|
|
|
|
/* FIXME! Warn if overwriting file! */
|
|
output_fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666);
|
|
if (output_fd<0) {
|
|
fprintf(stderr,"Error! could not open %s for local save\n",
|
|
filename);
|
|
return -1;
|
|
}
|
|
|
|
if (prodos_get_file_entry(voldir,inode,&file)<0) {
|
|
fprintf(stderr,"Error opening inode %x\n",inode);
|
|
return -1;
|
|
}
|
|
|
|
|
|
switch(file.storage_type) {
|
|
case PRODOS_FILE_SEEDLING:
|
|
/* Just a single block */
|
|
if (debug) fprintf(stderr,"Loading %d bytes from "
|
|
"block $%x\n",
|
|
file.eof,file.key_pointer);
|
|
result=prodos_read_block(voldir,data,
|
|
file.key_pointer);
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
result=write(output_fd,data,file.eof);
|
|
if (result!=file.eof) {
|
|
fprintf(stderr,"Error writing file!\n");
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
case PRODOS_FILE_SAPLING:
|
|
/* Index block points to up to 256 blocks */
|
|
/* Addresses are stored low-byte (256 bytes) then hi-byte */
|
|
/* Address of zero means file hole, all zeros */
|
|
if (debug) fprintf(stderr,"Loading index "
|
|
"block $%x\n",
|
|
file.key_pointer);
|
|
result=prodos_read_block(voldir,index_block,
|
|
file.key_pointer);
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
|
|
for(chunk=0;chunk<file.blocks_used;chunk++) {
|
|
chunk_block=(index_block[chunk])|(index_block[chunk+256]<<8);
|
|
|
|
if (chunk_block==0) {
|
|
/* FILE hole */
|
|
lseek(output_fd,
|
|
PRODOS_BYTES_PER_BLOCK,
|
|
SEEK_CUR);
|
|
}
|
|
else {
|
|
result=prodos_read_block(voldir,data,
|
|
chunk_block);
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
result=write(output_fd,data,PRODOS_BYTES_PER_BLOCK);
|
|
if (result!=PRODOS_BYTES_PER_BLOCK) {
|
|
fprintf(stderr,"Error writing file!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
/* truncate to actual size of file */
|
|
ftruncate(output_fd,file.eof);
|
|
|
|
break;
|
|
|
|
case PRODOS_FILE_TREE:
|
|
/* Master Index block points to up to 256 index blocks */
|
|
/* Addresses are stored low-byte (256 bytes) then hi-byte */
|
|
/* Index block points to up to 256 blocks */
|
|
/* Addresses are stored low-byte (256 bytes) then hi-byte */
|
|
/* Address of zero means file hole, all zeros */
|
|
|
|
blocks_left=file.blocks_used;
|
|
|
|
if (debug) fprintf(stderr,"Loading master index "
|
|
"block $%x\n",
|
|
file.key_pointer);
|
|
result=prodos_read_block(voldir,master_index_block,
|
|
file.key_pointer);
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
|
|
for(index=0;index<file.blocks_used/256;index++) {
|
|
result=prodos_read_block(voldir,
|
|
index_block,
|
|
(master_index_block[index])|
|
|
(master_index_block[256+index]<<8));
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
|
|
if (blocks_left<256) {
|
|
read_blocks=blocks_left;
|
|
}
|
|
else {
|
|
read_blocks=256;
|
|
}
|
|
|
|
for(chunk=0;chunk<read_blocks;chunk++) {
|
|
chunk_block=(index_block[chunk])|
|
|
(index_block[chunk+256]<<8);
|
|
|
|
result=prodos_read_block(voldir,data,
|
|
chunk_block);
|
|
if (result<0) {
|
|
return result;
|
|
}
|
|
|
|
|
|
result=write(output_fd,data,PRODOS_BYTES_PER_BLOCK);
|
|
if (result!=PRODOS_BYTES_PER_BLOCK) {
|
|
fprintf(stderr,"Error writing file!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
/* truncate to actual size of file */
|
|
ftruncate(output_fd,file.eof);
|
|
|
|
break;
|
|
|
|
|
|
case PRODOS_FILE_SUBDIR:
|
|
case PRODOS_FILE_DELETED:
|
|
case PRODOS_FILE_SUBDIR_HDR:
|
|
case PRODOS_FILE_VOLUME_HDR:
|
|
default:
|
|
fprintf(stderr,"Error! "
|
|
"Cannot load this type of file: %x\n",
|
|
file.storage_type);
|
|
break;
|
|
}
|
|
|
|
close(output_fd);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* rename a file. fts=entry/track/sector */
|
|
/* FIXME: can we rename a locked file? */
|
|
/* FIXME: validate the new filename is valid */
|
|
static int prodos_rename_file(int fd,int fts,char *new_name) {
|
|
|
|
#if 0
|
|
int catalog_file,catalog_track,catalog_sector;
|
|
int x,result;
|
|
unsigned char sector_buffer[PRODOS_BYTES_PER_BLOCK];
|
|
|
|
catalog_file=fts>>16;
|
|
catalog_track=(fts>>8)&0xff;
|
|
catalog_sector=(fts&0xff);
|
|
|
|
/* Read in Catalog Sector */
|
|
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
|
|
result=read(fd,sector_buffer,PRODOS_BYTES_PER_BLOCK);
|
|
|
|
/* copy over filename */
|
|
for(x=0;x<strlen(new_name);x++) {
|
|
sector_buffer[CATALOG_FILE_LIST+
|
|
(catalog_file*CATALOG_ENTRY_SIZE)+
|
|
FILE_NAME+x]=new_name[x]^0x80;
|
|
}
|
|
|
|
/* pad out the filename with spaces */
|
|
for(x=strlen(new_name);x<FILE_NAME_SIZE;x++) {
|
|
sector_buffer[CATALOG_FILE_LIST+
|
|
(catalog_file*CATALOG_ENTRY_SIZE)+
|
|
FILE_NAME+x]=' '^0x80;
|
|
}
|
|
|
|
/* write back modified catalog sector */
|
|
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
|
|
result=write(fd,sector_buffer,PRODOS_BYTES_PER_BLOCK);
|
|
|
|
if (result<0) {
|
|
fprintf(stderr,"Error on I/O\n");
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int prodos_delete_file(struct voldir_t *voldir,int fd,int fsl) {
|
|
|
|
#if 0
|
|
|
|
int i;
|
|
int catalog_track,catalog_sector,catalog_entry;
|
|
int ts_track,ts_sector;
|
|
char file_type;
|
|
int result;
|
|
unsigned char catalog_buffer[PRODOS_BYTES_PER_BLOCK];
|
|
|
|
/* unpack file/track/sector info */
|
|
catalog_entry=fsl>>16;
|
|
catalog_track=(fsl>>8)&0xff;
|
|
catalog_sector=(fsl&0xff);
|
|
|
|
|
|
/* Load in the catalog table for the file */
|
|
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
|
|
result=read(fd,catalog_buffer,PRODOS_BYTES_PER_BLOCK);
|
|
|
|
file_type=catalog_buffer[CATALOG_FILE_LIST+
|
|
(catalog_entry*CATALOG_ENTRY_SIZE)
|
|
+FILE_TYPE];
|
|
|
|
if (file_type&0x80) {
|
|
fprintf(stderr,"File is locked! Unlock before deleting!\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* get pointer to t/s list */
|
|
ts_track=catalog_buffer[CATALOG_FILE_LIST+
|
|
catalog_entry*CATALOG_ENTRY_SIZE+FILE_TS_LIST_T];
|
|
ts_sector=catalog_buffer[CATALOG_FILE_LIST+
|
|
catalog_entry*CATALOG_ENTRY_SIZE+FILE_TS_LIST_S];
|
|
|
|
keep_deleting:
|
|
|
|
/* load in the t/s list info */
|
|
lseek(fd,DISK_OFFSET(ts_track,ts_sector),SEEK_SET);
|
|
result=read(fd,catalog_buffer,PRODOS_BYTES_PER_BLOCK);
|
|
|
|
/* Free each sector listed by t/s list */
|
|
for(i=0;i<TSL_MAX_NUMBER;i++) {
|
|
/* If t/s = 0/0 then no need to clear */
|
|
if ((catalog_buffer[TSL_LIST+2*i]==0) &&
|
|
(catalog_buffer[TSL_LIST+2*i+1]==0)) {
|
|
}
|
|
else {
|
|
prodos_free_sector(voldir,fd,catalog_buffer[TSL_LIST+2*i],
|
|
catalog_buffer[TSL_LIST+2*i+1]);
|
|
}
|
|
}
|
|
|
|
/* free the t/s list */
|
|
prodos_free_sector(voldir,fd,ts_track,ts_sector);
|
|
|
|
/* Point to next t/s list */
|
|
ts_track=catalog_buffer[TSL_NEXT_TRACK];
|
|
ts_sector=catalog_buffer[TSL_NEXT_SECTOR];
|
|
|
|
/* If more tsl lists, keep looping */
|
|
if ((ts_track==0x0) && (ts_sector==0x0)) {
|
|
}
|
|
else {
|
|
goto keep_deleting;
|
|
}
|
|
|
|
/* Erase file from catalog entry */
|
|
|
|
/* First reload proper catalog sector */
|
|
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
|
|
result=read(fd,catalog_buffer,PRODOS_BYTES_PER_BLOCK);
|
|
|
|
/* save track as last char of name, for undelete purposes */
|
|
catalog_buffer[CATALOG_FILE_LIST+(catalog_entry*CATALOG_ENTRY_SIZE)+
|
|
(FILE_NAME+FILE_NAME_SIZE-1)]=
|
|
catalog_buffer[CATALOG_FILE_LIST+(catalog_entry*CATALOG_ENTRY_SIZE)];
|
|
|
|
/* Actually delete the file */
|
|
/* by setting the track value to FF which indicates deleted file */
|
|
catalog_buffer[CATALOG_FILE_LIST+(catalog_entry*CATALOG_ENTRY_SIZE)]=0xff;
|
|
|
|
/* re seek to catalog position and write out changes */
|
|
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
|
|
result=write(fd,catalog_buffer,PRODOS_BYTES_PER_BLOCK);
|
|
|
|
if (result<0) fprintf(stderr,"Error on I/O\n");
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void display_help(char *name, int version_only) {
|
|
printf("\nprodos version %s\n",VERSION);
|
|
printf("by Vince Weaver <vince@deater.net>\n");
|
|
printf("\n");
|
|
|
|
if (version_only) return;
|
|
|
|
printf("Usage: %s [-h] [i interleave] [-y] [-x] disk_image COMMAND [options]\n",name);
|
|
printf("\t-h : this help message\n");
|
|
printf("\t-i : interleave (prodos or dos33)\n");
|
|
printf("\t-y : always answer yes for warning questions\n");
|
|
printf("\t-x : ignore errors (useful for making invalid filenames)\n");
|
|
printf("\n");
|
|
printf(" Where disk_image is a valid PRODOS disk image\n"
|
|
" and COMMAND is one of the following:\n");
|
|
printf("\tCATALOG [dir]\n");
|
|
printf("\tLOAD apple_file <local_file>\n");
|
|
printf("\tSAVE type local_file <apple_file>\n");
|
|
printf("\tBSAVE [-a addr] [-l len] local_file <apple_file>\n");
|
|
printf("\tDELETE apple_file\n");
|
|
printf("\tRENAME apple_file_old apple_file_new\n");
|
|
printf("\tDUMP\n");
|
|
printf("\tTYPE TODO: set type\n");
|
|
printf("\tAUX TODO: set aux\n");
|
|
printf("\tTIMESTAMP TODO: set timestamp\n");
|
|
printf("\tACCESS TODO: set access\n");
|
|
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
#define COMMAND_LOAD 0
|
|
#define COMMAND_SAVE 1
|
|
#define COMMAND_CATALOG 2
|
|
#define COMMAND_DELETE 3
|
|
#define COMMAND_RENAME 4
|
|
#define COMMAND_DUMP 5
|
|
#define COMMAND_BSAVE 6
|
|
#define COMMAND_BLOAD 7
|
|
#define COMMAND_SHOWFREE 8
|
|
|
|
#define MAX_COMMAND 9
|
|
#define COMMAND_UNKNOWN 255
|
|
|
|
static struct command_type {
|
|
int type;
|
|
char name[32];
|
|
} commands[MAX_COMMAND] = {
|
|
{COMMAND_LOAD,"LOAD"},
|
|
{COMMAND_SAVE,"SAVE"},
|
|
{COMMAND_CATALOG,"CATALOG"},
|
|
{COMMAND_DELETE,"DELETE"},
|
|
{COMMAND_RENAME,"RENAME"},
|
|
{COMMAND_DUMP,"DUMP"},
|
|
{COMMAND_BSAVE,"BSAVE"},
|
|
{COMMAND_BLOAD,"BLOAD"},
|
|
{COMMAND_SHOWFREE,"SHOWFREE"},
|
|
};
|
|
|
|
static int lookup_command(char *name) {
|
|
|
|
int which=COMMAND_UNKNOWN,i;
|
|
|
|
for(i=0;i<MAX_COMMAND;i++) {
|
|
if(!strncmp(name,commands[i].name,strlen(commands[i].name))) {
|
|
which=commands[i].type;
|
|
break;
|
|
}
|
|
}
|
|
return which;
|
|
|
|
}
|
|
|
|
static int truncate_filename(char *out, char *in) {
|
|
|
|
int truncated=0;
|
|
|
|
/* Truncate filename if too long */
|
|
if (strlen(in)>15) {
|
|
fprintf(stderr,"Warning! Truncating %s to 15 chars\n",in);
|
|
truncated=1;
|
|
}
|
|
strncpy(out,in,15);
|
|
out[15]='\0';
|
|
|
|
return truncated;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
char image[BUFSIZ];
|
|
unsigned char type='b';
|
|
int prodos_fd=0,i;
|
|
int interleave=PRODOS_INTERLEAVE_PRODOS,arg_interleave=0;
|
|
int image_offset=0;
|
|
|
|
int command,catalog_entry;
|
|
char temp_string[BUFSIZ];
|
|
char apple_filename[31],new_filename[31];
|
|
char local_filename[BUFSIZ];
|
|
char *result_string;
|
|
int always_yes=0;
|
|
char *temp,*endptr;
|
|
int c;
|
|
int inode;
|
|
int address=0, length=0;
|
|
struct voldir_t voldir;
|
|
|
|
/* Check command line arguments */
|
|
while ((c = getopt (argc, argv,"a:i:l:t:s:dhvxy"))!=-1) {
|
|
switch (c) {
|
|
|
|
case 'd':
|
|
fprintf(stderr,"DEBUG enabled\n");
|
|
debug=1;
|
|
break;
|
|
case 'a':
|
|
address=strtol(optarg,&endptr,0);
|
|
if (debug) fprintf(stderr,"Address=%d\n",address);
|
|
break;
|
|
case 'i':
|
|
if (!strncmp(optarg,"prodos",6)) {
|
|
arg_interleave=1;
|
|
}
|
|
if (!strncmp(optarg,"dos33",5)) {
|
|
arg_interleave=2;
|
|
}
|
|
if (debug) fprintf(stderr,"Interleave=%d\n",arg_interleave);
|
|
break;
|
|
case 'l':
|
|
length=strtol(optarg,&endptr,0);
|
|
if (debug) fprintf(stderr,"Length=%d\n",address);
|
|
break;
|
|
case 'v':
|
|
display_help(argv[0],1);
|
|
return 0;
|
|
case 'h': display_help(argv[0],0);
|
|
return 0;
|
|
case 'x':
|
|
ignore_errors=1;
|
|
break;
|
|
case 'y':
|
|
always_yes=1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (optind==argc) {
|
|
fprintf(stderr,"ERROR! Must specify disk image!\n\n");
|
|
return -1;
|
|
}
|
|
|
|
/* get argument 1, which is image name */
|
|
strncpy(image,argv[optind],BUFSIZ-1);
|
|
prodos_fd=open(image,O_RDWR);
|
|
if (prodos_fd<0) {
|
|
fprintf(stderr,"Error opening disk_image: %s\n",image);
|
|
return -1;
|
|
}
|
|
|
|
if (debug) {
|
|
printf("checking extension: %s\n",&image[strlen(image)-4]);
|
|
}
|
|
|
|
/* Try to autodetect interleave based on filename */
|
|
if (strlen(image)>4) {
|
|
|
|
if (!strncmp(&image[strlen(image)-4],".dsk",4)) {
|
|
if (debug) printf("Detected DOS33 interleave\n");
|
|
interleave=PRODOS_INTERLEAVE_DOS33;
|
|
}
|
|
|
|
/* FIXME: detect this based on magic number */
|
|
else if (!strncmp(&image[strlen(image)-4],".2mg",4)) {
|
|
|
|
char header[64];
|
|
int image_format;
|
|
|
|
read(prodos_fd,header,64);
|
|
|
|
image_offset= (header[24])|
|
|
(header[25]<<8)|
|
|
(header[26]<<16)|
|
|
(header[27]<<24);
|
|
|
|
image_format=(header[12])|
|
|
(header[13]<<8)|
|
|
(header[14]<<16)|
|
|
(header[15]<<24);
|
|
|
|
if (image_format==0) {
|
|
interleave=PRODOS_INTERLEAVE_DOS33;
|
|
}
|
|
else if (image_format==1) {
|
|
interleave=PRODOS_INTERLEAVE_PRODOS;
|
|
}
|
|
else {
|
|
fprintf(stderr,"Unsupported 2MG format\n");
|
|
return -1;
|
|
}
|
|
|
|
if (debug) {
|
|
char string[5];
|
|
|
|
printf("Detected 2MG format\n");
|
|
|
|
memcpy(string,header,4);
|
|
string[4]=0;
|
|
printf("magic: %s\n",string);
|
|
|
|
memcpy(string,header+4,4);
|
|
string[4]=0;
|
|
printf("creator: %s\n",string);
|
|
|
|
printf("Header size: %d\n",
|
|
(header[8]|(header[9]<<8)));
|
|
|
|
printf("Version: %d\n",
|
|
(header[10]|(header[11]<<8)));
|
|
|
|
printf("Flags: $%X\n",
|
|
(header[16])|
|
|
(header[17]<<8)|
|
|
(header[18]<<16)|
|
|
(header[19]<<24));
|
|
|
|
printf("ProDOS blocks: $%X\n",
|
|
(header[20])|
|
|
(header[21]<<8)|
|
|
(header[22]<<16)|
|
|
(header[23]<<24));
|
|
|
|
printf("Image offset: $%X\n",image_offset);
|
|
|
|
printf("Bytes of data: %d\n",
|
|
(header[28])|
|
|
(header[29]<<8)|
|
|
(header[30]<<16)|
|
|
(header[31]<<24));
|
|
|
|
printf("Offset to comment: $%X\n",
|
|
(header[32])|
|
|
(header[33]<<8)|
|
|
(header[34]<<16)|
|
|
(header[35]<<24));
|
|
|
|
printf("Length of comment: %d\n",
|
|
(header[36])|
|
|
(header[37]<<8)|
|
|
(header[38]<<16)|
|
|
(header[39]<<24));
|
|
|
|
printf("Offset to creator comment: $%X\n",
|
|
(header[40])|
|
|
(header[41]<<8)|
|
|
(header[42]<<16)|
|
|
(header[43]<<24));
|
|
|
|
printf("Length of creator comment: %d\n",
|
|
(header[44])|
|
|
(header[45]<<8)|
|
|
(header[46]<<16)|
|
|
(header[47]<<24));
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
/* override inteleave if set */
|
|
if (arg_interleave) {
|
|
interleave=arg_interleave-1;
|
|
}
|
|
|
|
prodos_read_voldir(prodos_fd,&voldir,interleave,image_offset);
|
|
|
|
/* Move to next argument */
|
|
optind++;
|
|
|
|
if (optind==argc) {
|
|
fprintf(stderr,"ERROR! Must specify command!\n\n");
|
|
return -2;
|
|
}
|
|
|
|
/* Grab command */
|
|
strncpy(temp_string,argv[optind],BUFSIZ-1);
|
|
|
|
/* Make command be uppercase */
|
|
for(i=0;i<strlen(temp_string);i++) {
|
|
temp_string[i]=toupper(temp_string[i]);
|
|
}
|
|
|
|
/* Move to next argument */
|
|
optind++;
|
|
|
|
command=lookup_command(temp_string);
|
|
|
|
switch(command) {
|
|
|
|
case COMMAND_UNKNOWN:
|
|
fprintf(stderr,"ERROR! Unknown command %s\n",temp_string);
|
|
fprintf(stderr,"\tTry \"%s -h\" for help.\n\n",argv[0]);
|
|
goto exit_and_close;
|
|
break;
|
|
|
|
/* Load a file from disk image to local machine */
|
|
case COMMAND_LOAD:
|
|
|
|
/* check and make sure we have apple_filename */
|
|
if (argc==optind) {
|
|
fprintf(stderr,"Error! Need apple file_name\n");
|
|
fprintf(stderr,"%s %s LOAD apple_filename\n",
|
|
argv[0],image);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
truncate_filename(apple_filename,argv[optind]);
|
|
|
|
if (debug) printf("\tApple filename: %s\n",apple_filename);
|
|
|
|
/* get output filename */
|
|
optind++;
|
|
if (argc>optind) {
|
|
if (debug) printf("Using %s for filename\n",
|
|
local_filename);
|
|
strncpy(local_filename,argv[optind],BUFSIZ-1);
|
|
}
|
|
else {
|
|
if (debug) printf("Using %s for filename\n",
|
|
apple_filename);
|
|
strncpy(local_filename,apple_filename,31);
|
|
}
|
|
|
|
if (debug) printf("\tOutput filename: %s\n",local_filename);
|
|
|
|
/* get the voldir/entry for file */
|
|
inode=prodos_lookup_file(&voldir,apple_filename);
|
|
|
|
if (inode<0) {
|
|
fprintf(stderr,"Error! %s not found!\n",
|
|
apple_filename);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
|
|
/* Load the file */
|
|
prodos_load_file(&voldir,inode,local_filename);
|
|
|
|
break;
|
|
|
|
case COMMAND_CATALOG:
|
|
|
|
prodos_catalog(prodos_fd,&voldir);
|
|
|
|
break;
|
|
|
|
case COMMAND_SAVE:
|
|
/* argv3 == type == A,B,T,I,N,L etc */
|
|
/* argv4 == name of local file */
|
|
/* argv5 == optional name of file on disk image */
|
|
|
|
if (argc==optind) {
|
|
fprintf(stderr,"Error! Need type and file_name\n");
|
|
fprintf(stderr,"%s %s SAVE type "
|
|
"file_name apple_filename\n\n",
|
|
argv[0],image);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
type=argv[optind][0];
|
|
optind++;
|
|
|
|
case COMMAND_BSAVE:
|
|
|
|
if (debug) printf("\ttype=%c\n",type);
|
|
//#if 0
|
|
if (argc==optind) {
|
|
fprintf(stderr,"Error! Need file_name\n");
|
|
|
|
if (command==COMMAND_BSAVE) {
|
|
fprintf(stderr,"%s %s BSAVE "
|
|
"file_name apple_filename\n\n",
|
|
argv[0],image);
|
|
|
|
}
|
|
else {
|
|
fprintf(stderr,"%s %s SAVE type "
|
|
"file_name apple_filename\n\n",
|
|
argv[0],image);
|
|
}
|
|
goto exit_and_close;
|
|
}
|
|
|
|
strncpy(local_filename,argv[optind],BUFSIZ-1);
|
|
optind++;
|
|
|
|
if (debug) printf("\tLocal filename: %s\n",local_filename);
|
|
|
|
if (argc>optind) {
|
|
/* apple filename specified */
|
|
truncate_filename(apple_filename,argv[optind]);
|
|
}
|
|
else {
|
|
/* If no filename specified for apple name */
|
|
/* Then use the input name. Note, we strip */
|
|
/* everything up to the last slash so useless */
|
|
/* path info isn't used */
|
|
|
|
temp=local_filename+(strlen(local_filename)-1);
|
|
|
|
while(temp!=local_filename) {
|
|
temp--;
|
|
if (*temp == '/') {
|
|
temp++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
truncate_filename(apple_filename,temp);
|
|
}
|
|
|
|
if (debug) printf("\tApple filename: %s\n",apple_filename);
|
|
|
|
catalog_entry=prodos_check_file_exists(&voldir,apple_filename,
|
|
DOS33_FILE_NORMAL);
|
|
|
|
if (catalog_entry>=0) {
|
|
fprintf(stderr,"Warning! %s exists!\n",apple_filename);
|
|
if (!always_yes) {
|
|
printf("Over-write (y/n)?");
|
|
result_string=fgets(temp_string,BUFSIZ,stdin);
|
|
if ((result_string==NULL) || (temp_string[0]!='y')) {
|
|
printf("Exiting early...\n");
|
|
goto exit_and_close;
|
|
}
|
|
}
|
|
fprintf(stderr,"Deleting previous version...\n");
|
|
prodos_delete_file(&voldir,prodos_fd,catalog_entry);
|
|
}
|
|
if (command==COMMAND_SAVE) {
|
|
prodos_add_file(&voldir,prodos_fd,type,
|
|
ADD_RAW, address, length,
|
|
local_filename,apple_filename);
|
|
}
|
|
else {
|
|
prodos_add_file(&voldir,prodos_fd,type,
|
|
ADD_BINARY, address, length,
|
|
local_filename,apple_filename);
|
|
}
|
|
//#endif
|
|
break;
|
|
|
|
|
|
case COMMAND_DELETE:
|
|
|
|
if (argc==optind) {
|
|
fprintf(stderr,"Error! Need file_name\n");
|
|
fprintf(stderr,"%s %s DELETE apple_filename\n",
|
|
argv[0],image);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
truncate_filename(apple_filename,argv[optind]);
|
|
|
|
catalog_entry=prodos_check_file_exists(&voldir,
|
|
apple_filename,
|
|
DOS33_FILE_NORMAL);
|
|
if (catalog_entry<0) {
|
|
fprintf(stderr, "Error! File %s does not exist\n",
|
|
apple_filename);
|
|
goto exit_and_close;
|
|
}
|
|
prodos_delete_file(&voldir,prodos_fd,catalog_entry);
|
|
|
|
break;
|
|
|
|
case COMMAND_DUMP:
|
|
printf("Dumping %s!\n",image);
|
|
prodos_dump(&voldir,prodos_fd);
|
|
break;
|
|
|
|
case COMMAND_SHOWFREE:
|
|
printf("Showing Free %s!\n",image);
|
|
prodos_showfree(&voldir,prodos_fd);
|
|
break;
|
|
|
|
case COMMAND_RENAME:
|
|
/* check and make sure we have apple_filename */
|
|
if (argc==optind) {
|
|
fprintf(stderr,"Error! Need two filenames\n");
|
|
fprintf(stderr,"%s %s LOCK apple_filename_old "
|
|
"apple_filename_new\n",
|
|
argv[0],image);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
/* Truncate filename if too long */
|
|
truncate_filename(apple_filename,argv[optind]);
|
|
optind++;
|
|
|
|
if (argc==optind) {
|
|
fprintf(stderr,"Error! Need two filenames\n");
|
|
fprintf(stderr,"%s %s LOCK apple_filename_old "
|
|
"apple_filename_new\n",
|
|
argv[0],image);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
truncate_filename(new_filename,argv[optind]);
|
|
|
|
/* get the entry/track/sector for file */
|
|
catalog_entry=prodos_check_file_exists(&voldir,
|
|
apple_filename,
|
|
DOS33_FILE_NORMAL);
|
|
if (catalog_entry<0) {
|
|
fprintf(stderr,"Error! %s not found!\n",
|
|
apple_filename);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
prodos_rename_file(prodos_fd,catalog_entry,new_filename);
|
|
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr,"Sorry, unsupported command %s\n\n",temp_string);
|
|
goto exit_and_close;
|
|
}
|
|
|
|
exit_and_close:
|
|
close(prodos_fd);
|
|
|
|
return 0;
|
|
}
|