int __fs_open(struct _reent *r, void *fileStruct, const char *path, int flags, int mode)
{
int creat = 0;
struct __FILE * f = (struct __FILE *)fileStruct;
memset(f, 0, sizeof(struct __FILE));
int accmode = (flags & O_ACCMODE) + 1;
f->filename = __path_to_native(path);
f->append = (flags & O_APPEND);
printf("Append Mode: %X\r\n", flags & O_APPEND);
if (f->filename == NULL) {
r->_errno = ENOMEM;
return -1;
}
f->fd = sys_open(f->filename, accmode);
if (f->fd >= 0) {
if (flags & O_EXCL) {
sys_close(f->fd);
f->fd = -99;
} else if ((flags & O_TRUNC) &&
(accmode & 0x2)) {
sys_close(f->fd);
sys_delete(f->filename);
sys_create(f->filename, 1);
f->fd = sys_open(f->filename, accmode);
}
} else if (f->fd == -1 && (flags & O_CREAT)) {
sys_create(f->filename, 1);
f->fd = sys_open(f->filename, accmode);
if (f->fd == -1)
f->fd = -98;
printf("open with O_CREAT fd = %d\r\n", f->fd);
}
if (f->fd < 0) {
switch(f->fd) {
case -1:
r->_errno = ENOENT;
break;
case -2:
r->_errno = ENXIO;
break;
case -33:
r->_errno = ENODEV;
break;
case -98:
r->_errno = EISDIR;
break;
case -99:
r->_errno = EEXIST;
break;
default:
printf("open unknown error code %d\r\n", f->fd);
r->_errno = EINVAL;
}
free(f->filename);
f->fd = -1;
} else {
f->size = sys_get_filesize(f->fd);
}
return f->fd;
}
int __fs_unlink(struct _reent *r, const char *path)
{
char *filename = __path_to_native(path);
if (filename == NULL) {
r->_errno = ENOMEM;
return -1;
}
sys_delete(filename);
free(filename);
return 0;
}
static void _extract(dbx_t *dbx, char *out_dir, char *eml_dir, int *saved, int *deleted, int *errors)
{
int no_more_messages = 0;
int no_more_files = 0;
char **eml_files = NULL;
int num_eml_files = 0;
int imessage = 0;
int ifile = 0;
dbx_progress_push(dbx->progress_handle,
DBX_VERBOSITY_INFO,
dbx->message_count,
"Extracting %d messages from %s to %s/%s",
dbx->message_count,
dbx->filename,
out_dir,
eml_dir);
eml_files = sys_glob(eml_dir, "*.eml", &num_eml_files);
no_more_messages = (imessage == dbx->message_count);
no_more_files = (ifile == num_eml_files);
qsort(eml_files, num_eml_files, sizeof(char *), (dbx_cmpfunc_t) _str_cmp);
if (!dbx->options->delete_deleted) {
int rc = sys_mkdir(eml_dir, "deleted");
if (rc != 0) {
perror("_extract (sys_mkdir)");
return;
}
}
while (!no_more_messages || !no_more_files) {
int cond;
int ignore;
ignore = (dbx->options->ignore0 &&
!no_more_messages &&
dbx->info[imessage].offset == 0);
if (!no_more_messages && !no_more_files) {
cond = strcmp(dbx->info[imessage].filename, eml_files[ifile]);
if (ignore && cond == 0) {
cond = 1;
imessage++;
}
}
else if (no_more_files)
cond = -1;
else
cond = 1;
if (!no_more_messages)
dbx->info[imessage].extract = DBX_EXTRACT_IGNORE;
if (cond < 0) {
/* message not found on disk: extract from dbx */
if (!ignore)
dbx->info[imessage].extract = DBX_EXTRACT_FORCE;
imessage++;
}
else if (cond == 0) {
/* message found on disk: extract from dbx if modified */
dbx->info[imessage].extract = DBX_EXTRACT_MAYBE;
imessage++;
ifile++;
}
else {
/* file on disk not found in dbx: move it to 'deleted' sub-folder or delete from disk */
if (!dbx->options->delete_deleted) {
int rc = sys_move(eml_dir, eml_files[ifile], "deleted");
if (rc != 0)
perror("_extract (sys_move)");
dbx_progress_update(dbx->progress_handle, DBX_STATUS_MOVED, -1, "%s", eml_files[ifile]);
}
else {
int rc = sys_delete(eml_dir, eml_files[ifile]);
if (rc != 0)
perror("_extract (sys_delete)");
dbx_progress_update(dbx->progress_handle, DBX_STATUS_DELETED, -1, "%s", eml_files[ifile]);
}
ifile++;
(*deleted)++;
}
no_more_messages = (imessage == dbx->message_count);
no_more_files = (ifile == num_eml_files);
}
/* sort entries by offset: should make extraction faster in most cases */
qsort(dbx->info, dbx->message_count, sizeof(dbx_info_t), (dbx_cmpfunc_t) _dbx_offset_cmp);
for(imessage = 0; imessage < dbx->message_count; imessage++) {
dbx_save_status_t status = DBX_SAVE_NOOP;
switch (dbx->info[imessage].extract) {
case DBX_EXTRACT_IGNORE:
break;
case DBX_EXTRACT_FORCE:
status = _maybe_save_message(dbx, imessage, eml_dir, 1);
break;
case DBX_EXTRACT_MAYBE:
status = _maybe_save_message(dbx, imessage, eml_dir, 0);
break;
}
if (status == DBX_SAVE_OK)
(*saved)++;
if (status == DBX_SAVE_ERROR)
(*errors)++;
}
dbx_progress_pop(dbx->progress_handle,
"%d messages saved, %d skipped, %d errors, %d files %s",
*saved,
dbx->message_count - *saved - *errors,
*errors,
*deleted,
!dbx->options->delete_deleted? "moved":"deleted");
sys_glob_free(eml_files);
}
