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prodos: catalog of subdirs now works

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This commit is contained in:
Vince Weaver 2021-08-04 15:35:50 -04:00
parent ee544928c1
commit 9e6ebc92c2
3 changed files with 105 additions and 11 deletions
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101
utils/prodos-utils/prodos.c
View File

@ -15,8 +15,11 @@
static int ignore_errors=0;
int debug=0;
/* Given filename, return voldir/offset */
static int prodos_lookup_file(struct voldir_t *voldir,
int subdir_block,
char *filename) {
int voldir_block,voldir_offset;
@ -24,7 +27,7 @@ static int prodos_lookup_file(struct voldir_t *voldir,
unsigned char voldir_buffer[PRODOS_BYTES_PER_BLOCK];
int result,file;
voldir_block=PRODOS_VOLDIR_KEY_BLOCK;
voldir_block=subdir_block;
voldir_offset=1; /* skip the header */
while(1) {
@ -62,6 +65,10 @@ static int prodos_lookup_file(struct voldir_t *voldir,
}
/* Given filename, return voldir/offset */
/* FIXME: allocate new voldir block if all full */
static int prodos_allocate_directory_entry(struct voldir_t *voldir) {
@ -115,7 +122,7 @@ static int prodos_check_file_exists(struct voldir_t *voldir,
int result;
result=prodos_lookup_file(voldir,filename);
result=prodos_lookup_file(voldir,PRODOS_VOLDIR_KEY_BLOCK,filename);
return result;
}
@ -488,6 +495,73 @@ int prodos_get_file_entry(struct voldir_t *voldir,
}
static int prodos_get_directory(struct voldir_t *voldir,char *string) {
char path[4096];
int pointer=0,path_pointer=0;
int inode,final_pointer=-1;
struct file_entry_t file;
int subdir_block=PRODOS_VOLDIR_KEY_BLOCK;
if (debug) printf("Looking up directory %s\n",string);
/* see if leading '/' */
if (string[pointer]=='/') {
pointer++;
/* special case "/" */
if (string[pointer]==0) return PRODOS_VOLDIR_KEY_BLOCK;
}
while(1) {
path_pointer=0;
/* FIXME: make this a loop? */
if (string[pointer]=='/') pointer++;
while(string[pointer]!=0) {
if (string[pointer]=='/') break;
path[path_pointer]=string[pointer];
pointer++;
path_pointer++;
}
path[path_pointer]=0; /* NUL terminate */
if (debug) printf("Found subdir %s\n",path);
/* get the voldir/entry for file */
inode=prodos_lookup_file(voldir,subdir_block,path);
if (inode<0) {
fprintf(stderr,"Error! %s not found!\n",
path);
return -1;
}
/* get the file entry */
if (prodos_get_file_entry(voldir,inode,&file)<0) {
fprintf(stderr,"Error opening inode %x\n",inode);
return -1;
}
if (file.storage_type!=PRODOS_FILE_SUBDIR) {
fprintf(stderr,"Error! %s is not a subdir!\n",path);
return -1;
}
else {
final_pointer=file.key_pointer;
}
subdir_block=final_pointer;
if (string[pointer]==0) break;
}
return final_pointer;
}
/* load a file from the disk image. */
/* inode = voldirblock<<8 | entry */
static int prodos_load_file(struct voldir_t *voldir,
@ -662,7 +736,7 @@ static int prodos_rename_file(struct voldir_t *voldir,
int newlen;
/* get the voldir/entry for file */
inode=prodos_lookup_file(voldir,old_filename);
inode=prodos_lookup_file(voldir,PRODOS_VOLDIR_KEY_BLOCK,old_filename);
if (inode<0) {
fprintf(stderr,"Error! %s not found!\n",
@ -712,7 +786,7 @@ static int prodos_delete_file(struct voldir_t *voldir,char *apple_filename) {
/* get the voldir/entry for file */
inode=prodos_lookup_file(voldir,apple_filename);
inode=prodos_lookup_file(voldir,PRODOS_VOLDIR_KEY_BLOCK,apple_filename);
if (inode<0) {
fprintf(stderr,"Error! %s not found!\n",
@ -1211,7 +1285,8 @@ int main(int argc, char **argv) {
if (debug) printf("\tOutput filename: %s\n",local_filename);
/* get the voldir/entry for file */
inode=prodos_lookup_file(&voldir,apple_filename);
inode=prodos_lookup_file(&voldir,
PRODOS_VOLDIR_KEY_BLOCK,apple_filename);
if (inode<0) {
fprintf(stderr,"Error! %s not found!\n",
@ -1227,9 +1302,21 @@ int main(int argc, char **argv) {
case COMMAND_CATALOG:
dir_block=PRODOS_VOLDIR_KEY_BLOCK;
if (argc>optind) {
dir_block=prodos_get_directory(&voldir,argv[optind]);
if (dir_block<0) {
fprintf(stderr,"Error, couldn't open directory %s\n",argv[optind]);
return -1;
}
prodos_catalog(&voldir,dir_block,argv[optind]);
}
else {
/* use root dir */
dir_block=PRODOS_VOLDIR_KEY_BLOCK;
prodos_catalog(&voldir,dir_block,NULL);
}
prodos_catalog(&voldir,dir_block);
break;

2
utils/prodos-utils/prodos.h
View File

@ -105,7 +105,7 @@ int prodos_find_next_file(int inode, struct voldir_t *voldir);
int prodos_populate_filedesc(unsigned char *file_desc,
struct file_entry_t *file_entry);
//unsigned char prodos_char_to_type(char type, int lock);
void prodos_catalog(struct voldir_t *voldir, int dir_block);
void prodos_catalog(struct voldir_t *voldir, int dir_block, char *path);
//char *prodos_filename_to_ascii(char *dest,unsigned char *src,int len);
//unsigned char prodos_file_type(int value);

13
utils/prodos-utils/prodos_catalog.c
View File

@ -163,7 +163,8 @@ static int prodos_print_file_info(int inode, struct voldir_t *voldir) {
prodos_populate_filedesc(file_desc,&file_entry);
/* name */
printf(" %-16s",file_entry.file_name);
printf("%c%-16s",(file_entry.access&PRODOS_ACCESS_WRITE)?' ':'*',
file_entry.file_name);
/* type */
prodos_print_short_filetype(file_entry.file_type);
@ -209,7 +210,7 @@ static int prodos_print_file_info(int inode, struct voldir_t *voldir) {
return 0;
}
void prodos_catalog(struct voldir_t *voldir, int dir_block) {
void prodos_catalog(struct voldir_t *voldir, int dir_block,char *path) {
int catalog_block,catalog_offset,catalog_inode;
int blocks_free=0;
@ -217,7 +218,13 @@ void prodos_catalog(struct voldir_t *voldir, int dir_block) {
blocks_free=prodos_voldir_free_space(voldir);
printf("\n");
printf("/%s\n\n",voldir->volume_name);
if (path==NULL) {
printf("/%s\n\n",voldir->volume_name);
}
else {
printf("/%s/%s\n\n",voldir->volume_name,path);
}
printf(" NAME TYPE BLOCKS MODIFIED CREATED ENDFILE SUBTYPE\n");
printf("\n");