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prodos: add subdir support to rest of utils

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WARNING: not tested, also won't work if you have to grow
a directory list
This commit is contained in:
Vince Weaver 2021-08-04 16:06:52 -04:00
parent 2e7be027ff
commit 7ea2033caf
2 changed files with 57 additions and 15 deletions
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4
utils/prodos-utils/README
View File

@ -1,6 +1,7 @@
=============
prodos-utils
=============
by Vince `deater` Weaver <vince @ deater.net>
Tools for manipulating Apple II prodos filesystems
@ -22,7 +23,8 @@ TODO:
prodos:
test! especially tree (files bigger than 128k)
subdirectory support
test! subdirectory support
subdir currently broken if have to grow the directory
support for setting attributes

68
utils/prodos-utils/prodos.c
View File

@ -71,14 +71,15 @@ 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) {
static int prodos_allocate_directory_entry(
struct voldir_t *voldir,int dir_block) {
int voldir_block,voldir_offset;
struct file_entry_t file_entry;
unsigned char voldir_buffer[PRODOS_BYTES_PER_BLOCK];
int result,file;
voldir_block=PRODOS_VOLDIR_KEY_BLOCK;
voldir_block=dir_block;
voldir_offset=1; /* skip the header */
while(1) {
@ -117,12 +118,13 @@ static int prodos_allocate_directory_entry(struct voldir_t *voldir) {
/* Checks if "filename" exists */
/* returns file type */
static int prodos_check_file_exists(struct voldir_t *voldir,
int dir_block,
char *filename) {
int result;
result=prodos_lookup_file(voldir,PRODOS_VOLDIR_KEY_BLOCK,filename);
result=prodos_lookup_file(voldir,dir_block,filename);
return result;
}
@ -234,7 +236,7 @@ static struct prodos_file_type {
/* creates file apple_filename on the image from local file filename */
/* returns ?? */
static int prodos_add_file(struct voldir_t *voldir,
int fd, char *type,
int dir_block, char *type,
int address, int length,
char *filename, char *apple_filename) {
@ -442,10 +444,10 @@ static int prodos_add_file(struct voldir_t *voldir,
file.access=0xe3; // 0x21?
file.aux_type=0;
file.last_mod=prodos_time(time(NULL));
file.header_pointer=PRODOS_VOLDIR_KEY_BLOCK;
file.header_pointer=dir_block;
inode=prodos_allocate_directory_entry(voldir);
inode=prodos_allocate_directory_entry(voldir,dir_block);
if (inode<0) {
return inode;
}
@ -775,7 +777,8 @@ static int prodos_rename_file(struct voldir_t *voldir,
}
static int prodos_delete_file(struct voldir_t *voldir,char *apple_filename) {
static int prodos_delete_file(struct voldir_t *voldir,
int dir_block,char *apple_filename) {
unsigned char data_buffer[PRODOS_BYTES_PER_BLOCK];
unsigned char index_block[PRODOS_BYTES_PER_BLOCK];
@ -786,7 +789,7 @@ static int prodos_delete_file(struct voldir_t *voldir,char *apple_filename) {
/* get the voldir/entry for file */
inode=prodos_lookup_file(voldir,PRODOS_VOLDIR_KEY_BLOCK,apple_filename);
inode=prodos_lookup_file(voldir,dir_block,apple_filename);
if (inode<0) {
fprintf(stderr,"Error! %s not found!\n",
@ -1383,9 +1386,22 @@ int main(int argc, char **argv) {
truncate_filename(apple_filename,apple_path,temp);
}
if (debug) printf("\tApple filename: %s\n",apple_filename);
if (apple_path[0]==0) {
dir_block=PRODOS_VOLDIR_KEY_BLOCK;
}
else {
dir_block=prodos_get_directory(&voldir,apple_path);
if (dir_block<0) {
fprintf(stderr,"Error, couldn't open directory %s\n",argv[optind]);
return -1;
}
}
file_exists=prodos_check_file_exists(&voldir,apple_filename);
if (debug) printf("\tApple filename: %s, path: %s\n",
apple_filename,apple_path);
file_exists=prodos_check_file_exists(&voldir,
dir_block,apple_filename);
if (file_exists>=0) {
fprintf(stderr,"Warning! %s exists!\n",apple_filename);
@ -1398,7 +1414,7 @@ int main(int argc, char **argv) {
}
}
fprintf(stderr,"Deleting previous version...\n");
prodos_delete_file(&voldir,apple_filename);
prodos_delete_file(&voldir,dir_block,apple_filename);
}
prodos_add_file(&voldir,prodos_fd,type,
@ -1419,13 +1435,25 @@ int main(int argc, char **argv) {
truncate_filename(apple_filename,apple_path,argv[optind]);
file_exists=prodos_check_file_exists(&voldir,apple_filename);
if (apple_path[0]==0) {
dir_block=PRODOS_VOLDIR_KEY_BLOCK;
}
else {
dir_block=prodos_get_directory(&voldir,apple_path);
if (dir_block<0) {
fprintf(stderr,"Error, couldn't open directory %s\n",argv[optind]);
return -1;
}
}
file_exists=prodos_check_file_exists(&voldir,
dir_block,apple_filename);
if (file_exists<0) {
fprintf(stderr, "Error! File %s does not exist\n",
apple_filename);
goto exit_and_close;
}
prodos_delete_file(&voldir,apple_filename);
prodos_delete_file(&voldir,dir_block,apple_filename);
break;
@ -1463,8 +1491,20 @@ int main(int argc, char **argv) {
truncate_filename(new_filename,apple_path,argv[optind]);
if (apple_path[0]==0) {
dir_block=PRODOS_VOLDIR_KEY_BLOCK;
}
else {
dir_block=prodos_get_directory(&voldir,apple_path);
if (dir_block<0) {
fprintf(stderr,"Error, couldn't open directory %s\n",argv[optind]);
return -1;
}
}
/* get the entry/track/sector for file */
file_exists=prodos_check_file_exists(&voldir,apple_filename);
file_exists=prodos_check_file_exists(&voldir,
dir_block,apple_filename);
if (file_exists<0) {
fprintf(stderr,"Error! %s not found!\n",
apple_filename);