Beispiel #1
0
void fs_send_file(const gchar *filename)
{
	int err;

	// set pbar title
	if(tifiles_file_is_flash(filename)) 
	{
		create_pbar_(FNCT_SEND_APP, _("Sending app(s)"));
	} 
	else if(tifiles_file_is_group(filename)) 
	{
		create_pbar_(FNCT_SEND_VAR, _("Sending var(s)"));
	} 
	else if(tifiles_file_is_backup(filename)) 
	{
		create_pbar_(FNCT_SEND_BACKUP, _("Restoring"));
	} 
	else if(tifiles_file_is_single(filename)) 
	{
		create_pbar_(FNCT_SEND_VAR, _("Sending var(s)"));
	}
	else if(tifiles_file_is_tigroup(filename))
	{
		create_pbar_type5(_("Restoring"));
	}

	// note that core is currently not bkpt-interruptible when
	// transferring file
	GTK_REFRESH();
	err = ti68k_linkport_send_file(filename);
	handle_error();
	destroy_pbar();	
}
Beispiel #2
0
int ti68k_is_a_tib_file(const char *filename)
{
	int ret1 = tifiles_file_is_flash(filename);
	int ret2 = tifiles_file_is_tib  (filename);

	return ret1 || ret2;
}
Beispiel #3
0
int gfm_tifiles_group(const char **filenames, int type)
{
	char **ptr;
	gchar *input;
	gchar *target = NULL;
	gchar *dirname = g_path_get_dirname(filenames[0]);
	//	gchar *basename = g_path_get_basename(filenames[0]);
	int err = 0;

	// Check for selection consistency
	for(ptr = (char **)filenames; *ptr; ptr++)
	{
		if(tifiles_file_is_group(*ptr) || tifiles_file_is_tigroup(*ptr))
		{
			msgbox_one(MSGBOX_ERROR, _("Group files are not allowed in selection."));
			return -1;
		}

		if(tifiles_file_is_flash(*ptr) && type != TIFILE_TIGROUP)
		{
			msgbox_one(MSGBOX_ERROR, _("FLASH files are not allowed in group files."));
			return -1;
		}
	}

	// Ask for group name
	input = msgbox_input(_("Group files"), "group", _("Group name: "));
	if(input == NULL)
		return -1;

	// And group
	if(type == TIFILE_GROUP)
	{
		target = g_strconcat(dirname, G_DIR_SEPARATOR_S, input,	".", 
			tifiles_fext_of_group(tifiles_file_get_model(filenames[0])), NULL);
		g_free(input);

		err = tifiles_group_files((char **)filenames, target);
	}
	else if(type == TIFILE_TIGROUP)
	{
		target = g_strconcat(dirname, G_DIR_SEPARATOR_S, input,	".tig", NULL);
		g_free(input);

		err = tifiles_tigroup_files((char **)filenames, target);
	}

	if(err)
	{
		gchar *str;

		tifiles_error_get(err, &str);
		msgbox_one(MSGBOX_ERROR, str);
		g_free(str);
	}
	g_free(target);

	return 0;
}
Beispiel #4
0
/**
 * tifiles_file_is_single:
 * @filename: a filename as string.
 *
 * Check whether file is a single TI file (like program, function, ...).
 *
 * Return value: a boolean value.
 **/
TIEXPORT2 int TICALL tifiles_file_is_single(const char *filename)
{
  if (!tifiles_file_is_ti(filename))
    return 0;

  if (!tifiles_file_is_group(filename) &&
      !tifiles_file_is_backup(filename) &&
      !tifiles_file_is_flash(filename) &&
	  !tifiles_file_is_tigroup(filename))
    return !0;

    return 0;
}
Beispiel #5
0
/**
 * tifiles_file_get_class:
 * @filename: a filename as string.
 *
 * Returns the file class (single, group, backup, flash).
 *
 * Return value: a value in #FileClass.
 **/
TIEXPORT2 FileClass TICALL tifiles_file_get_class(const char *filename)
{
  if (tifiles_file_is_single(filename))
    return TIFILE_SINGLE;
  else if (tifiles_file_is_group(filename))
    return TIFILE_GROUP;
  else if (tifiles_file_is_backup(filename))
    return TIFILE_BACKUP;
  else if (tifiles_file_is_flash(filename))
    return TIFILE_FLASH;
  else if (tifiles_file_is_tigroup(filename))
    return TIFILE_TIGROUP;
  else
    return 0;
}
Beispiel #6
0
/**
 * ti9x_file_display:
 * @filename: a TI file.
 *
 * Determine file class and display internal content.
 *
 * Return value: an error code, 0 otherwise.
 **/
int ti9x_file_display(const char *filename)
{
	Ti9xRegular *content1;
	Ti9xBackup *content2;
	Ti9xFlash *content3;
	int ret;

	// the testing order is important: regular before backup (due to TI89/92+)
	if (tifiles_file_is_flash(filename) || tifiles_file_is_tib(filename)) 
	{
		content3 = tifiles_content_create_flash(CALC_TI92);
		ret = ti9x_file_read_flash(filename, content3);
		if (!ret)
		{
			ti9x_content_display_flash(content3);
			tifiles_content_delete_flash(content3);
		}
	} 
	else if (tifiles_file_is_regular(filename)) 
	{
		content1 = tifiles_content_create_regular(CALC_TI92);
		ret = ti9x_file_read_regular(filename, content1);
		if (!ret)
		{
			tifiles_file_display_regular(content1);
			tifiles_content_delete_regular(content1);
		}
	} 
	else if (tifiles_file_is_backup(filename)) 
	{
		content2 = tifiles_content_create_backup(CALC_TI92);
		ret = ti9x_file_read_backup(filename, content2);
		if (!ret)
		{
			ti9x_content_display_backup(content2);
			tifiles_content_delete_backup(content2);
		}
	} 
	else
	{
		tifiles_info("Unknown file type !");
		return ERR_BAD_FILE;
	}

	return ret;
}
Beispiel #7
0
void tilp_local_selection_add(const char* filename)
{
	FileEntry* fe = g_malloc0(sizeof(FileEntry));

	fe->name = g_strdup(filename);

	if(tifiles_file_is_regular(fe->name))
		local.selection0 = g_list_prepend(local.selection0, fe);

	else if(tifiles_file_is_flash(fe->name))
		local.selection2 = g_list_prepend(local.selection2, fe);

	else if(tifiles_file_is_backup(fe->name))
		local.selection4 = g_list_prepend(local.selection4, fe);

	else if(tifiles_file_is_tigroup(fe->name))
		local.selection5 = g_list_prepend(local.selection5, fe);
}
Beispiel #8
0
/**
 * ti9x_file_read_flash:
 * @filename: name of flash file to open.
 * @content: where to store the file content.
 *
 * Load the flash file into a #FlashContent structure.
 *
 * Structure content must be freed with #tifiles_content_delete_flash when
 * no longer used. If error occurs, the structure content is released for you.
 *
 * Return value: an error code, 0 otherwise.
 **/
int ti9x_file_read_flash(const char *filename, Ti9xFlash *head)
{
	FILE *f;
	Ti9xFlash *content = head;
	long cur_pos = 0;
	int tib = 0;
	char signature[9];
	int ret = ERR_FILE_IO;

	if (head == NULL)
	{
		tifiles_critical("%s: an argument is NULL", __FUNCTION__);
		return ERR_INVALID_FILE;
	}

	if (!tifiles_file_is_flash(filename) && !tifiles_file_is_tib(filename))
	{
		ret = ERR_INVALID_FILE;
		goto tfrf2;
	}

	// detect file type (old or new format)
	tib = tifiles_file_is_tib(filename);

	f = g_fopen(filename, "rb");
	if (f == NULL) 
	{
		tifiles_info("Unable to open this file: %s", filename);
		ret = ERR_FILE_OPEN;
		goto tfrf2;
	}  

	if (fseek(f, 0, SEEK_END)) goto tfrf;
	cur_pos = ftell(f);
	if (cur_pos < 0) goto tfrf;
	if (fseek(f, 0, SEEK_SET)) goto tfrf;

	// The TI-68k series' members have at best 4 MB of Flash.
	// TIB files larger than that size are insane.
	if (cur_pos >= (4L << 20))
	{
		ret = ERR_INVALID_FILE;
		goto tfrf;
	}

	if (tib) 
	{
		// tib is an old format but mainly used by developers
		memset(content, 0, sizeof(Ti9xFlash));

		content->data_length = (uint32_t)cur_pos;

		strncpy(content->name, "basecode", sizeof(content->name) - 1);
		content->name[sizeof(content->name) - 1] = 0;
		content->data_type = 0x23;	// FLASH os

		content->data_part = (uint8_t *)g_malloc0(content->data_length);
		if (content->data_part == NULL) 
		{
			ret = ERR_MALLOC;
			goto tfrf;
		}

		if (fread(content->data_part, 1, content->data_length, f) < content->data_length) goto tfrf;
		switch(content->data_part[8])
		{
			case 1: content->device_type = DEVICE_TYPE_92P; break;	// TI92+
			case 3: content->device_type = DEVICE_TYPE_89; break;	// TI89
			// value added by the TI community according to HWID parameter
			// doesn't have any 'legal' existence.
			case 8: content->device_type = DEVICE_TYPE_92P; break;	// V200PLT
			case 9: content->device_type = DEVICE_TYPE_89; break;	// Titanium
		}

		content->next = NULL;
	} 
	else 
	{
		for (content = head;; content = content->next) 
		{
			if (fread_8_chars(f, signature) < 0) goto tfrf;
			content->model = tifiles_file_get_model(filename);
			if (fread_byte(f, &(content->revision_major)) < 0) goto tfrf;
			if (fread_byte(f, &(content->revision_minor)) < 0) goto tfrf;
			if (fread_byte(f, &(content->flags)) < 0) goto tfrf;
			if (fread_byte(f, &(content->object_type)) < 0) goto tfrf;
			if (fread_byte(f, &(content->revision_day)) < 0) goto tfrf;
			if (fread_byte(f, &(content->revision_month)) < 0) goto tfrf;
			if (fread_word(f, &(content->revision_year)) < 0) goto tfrf;
			if (fskip(f, 1) < 0) goto tfrf;
			if (fread_8_chars(f, content->name) < 0) goto tfrf;
			if (fskip(f, 23) < 0) goto tfrf;
			if (fread_byte(f, &(content->device_type)) < 0) goto tfrf;
			if (fread_byte(f, &(content->data_type)) < 0) goto tfrf;
			if (fskip(f, 23) < 0) goto tfrf;
			if (fread_byte(f, &(content->hw_id)) < 0) goto tfrf;
			if (fread_long(f, &(content->data_length)) < 0) goto tfrf;

			if (content->data_type != TI89_LICENSE && !check_device_type(content->device_type))
			{
				ret = ERR_INVALID_FILE;
				goto tfrf;
			}
			if (!check_data_type(content->data_type))
			{
				ret = ERR_INVALID_FILE;
				goto tfrf;
			}
			// TODO: modify this code if TI ever makes a TI-eZ80 model with more than 4 MB of Flash memory...
			if (content->data_length > 4U * 1024 * 1024 - 65536U)
			{
				// Data length larger than Flash memory size - boot code sector size doesn't look right.
				ret = ERR_INVALID_FILE;
				goto tfrf;
			}

			content->data_part = (uint8_t *)g_malloc0(content->data_length);
			if (content->data_part == NULL)
			{
				ret = ERR_MALLOC;
				goto tfrf;
			}

			if (fread(content->data_part, 1, content->data_length, f) < content->data_length) goto tfrf;
			if (   (content->data_type == TI83p_AMS && content->data_part[0] != 0x80)
			    || (content->data_type == TI83p_APPL && content->data_part[0] != 0x81))
			{
				ret = ERR_INVALID_FILE;
				goto tfrf;
			}
			content->next = NULL;

			// check for end of file
			if (fread_8_chars(f, signature) < 0)
			{
				break;
			}
			if (strcmp(signature, "**TIFL**") || feof(f))
			{
				break;
			}
			if (fseek(f, -8, SEEK_CUR)) goto tfrf;

			content->next = (Ti9xFlash *)g_malloc0(sizeof(Ti9xFlash));
			if (content->next == NULL) 
			{
				ret = ERR_MALLOC;
				goto tfrf;
			}
		}
	}

	fclose(f);
	return 0;

tfrf:	// release on exit
	tifiles_critical("%s: error reading / understanding file %s", __FUNCTION__, filename);
	fclose(f);
tfrf2:
	tifiles_content_delete_flash(content);
	return ret;
}
Beispiel #9
0
// Used for sending vars
// Note: user_data is a string:
// - such as "<FLASH>" for sending var into FLASH (ti83+/84+/89/92+/v200)
// - such as "" for sending var in the default folder
// - such as "foo" for sending var in the 'foo' folder
// - unused for sending FLASH files
void on_tilp_send(const gchar *user_data)
{
	gchar *target;
	FileEntry *f;
	int ret1 = -1;
	int ret2 = -1;

	if (local.selection0 == NULL && local.selection2 == NULL && local.selection5 == NULL)
		return;

	tilp_local_contents_load();
	
	// send apps
	if(local.selection3 || (local.selection5 && local.selection3))
	{
		f = (FileEntry *) local.selection3->data;

		// send os upgrades
		if(tifiles_file_is_flash(f->name) || tifiles_file_is_tigroup(f->name)) 
		{
			if(tifiles_file_test(f->name, TIFILE_OS, options.calc_model))
			{
				if (tilp_calc_send_os(f->name) != 0)
					return;
			} 
			else if(tifiles_file_is_app(f->name))
			{
				ret1 = tilp_calc_send_app();
				if(!ret1)
				{
					// update dirlist (caching, avoid to request dirlist again)
					tilp_local_update_applist();
					ctree_refresh();
					labels_refresh();
				}
			}
		} 
	}

	// send vars
	if(local.selection1 || (local.selection5 && local.selection1))
	{
		// note: dst_folder must be a copy b/c the user_data
		// pointer is no longer valid after dirlist_remote
		target = g_strdup(user_data);

		// change target folder
		if(strcmp(target, "") && strcmp(target, "<FLASH>"))
			tilp_local_change_folder(target);

		// and wait for action
		if (display_action_dbox(target) == BUTTON2) 
		{
			g_free(target);
			tilp_local_contents_unload();
			return;
		}

		// needed: avoid box locking/flickering !
		GTK_REFRESH();

		ret2 = tilp_calc_send_var();
		if(!ret2)
		{
			// update dirlist (caching, avoid to request dirlist again)
			tilp_local_update_varlist();
			ctree_refresh();
			labels_refresh();
		}

		g_free(target);
	}

	tilp_local_contents_unload();
}
Beispiel #10
0
// The main function
int main(int argc, char **argv)
{
	char *msg = NULL;
	char buffer[256];
	int i;
	int ret;

	// init library
	tifiles_library_init();

	// test tifiles.c
	printf("Library version : <%s>\n", tifiles_version_get());
	printf("--\n");

	// test error.c
	tifiles_error_get(515, &msg);
	printf("Error message: <%s>\n", msg);
#ifndef __WIN32__
	free(msg);
#endif
	printf("--\n");

	// test type2str.c
	printf("tifiles_string_to_model: <%i> <%i>\n", CALC_TI92,
	       tifiles_string_to_model(tifiles_model_to_string(CALC_TI92)));
	printf("tifiles_string_to_attribute: <%i> <%i>\n", ATTRB_LOCKED,
	       tifiles_string_to_attribute(tifiles_attribute_to_string(ATTRB_LOCKED)));
	printf("tifiles_string_to_class: <%i> <%i>\n", TIFILE_SINGLE,
	       tifiles_string_to_class(tifiles_class_to_string(TIFILE_SINGLE)));
	printf("--\n");

	// test filetypes.c
	for(i = CALC_TI73; i <= CALC_V200; i++)
	{
		printf("%s (%i) ", tifiles_fext_of_group(i), i);
	}
	printf("\n");

	for(i = CALC_TI73; i <= CALC_V200; i++)
	{
		printf("%s ", tifiles_fext_of_backup(i));
	}
	printf("\n");

	for(i = CALC_TI73; i <= CALC_V200; i++)
	{
		printf("%s ", tifiles_fext_of_flash_os(i));
	}
	printf("\n");

	for(i = CALC_TI73; i <= CALC_V200; i++)
	{
		printf("%s ", tifiles_fext_of_flash_app(i));
	}
	printf("\n");
	printf("--\n");

	printf("<%s> <%s>\n", "foo.bar", tifiles_fext_get("foo.bar"));

	ret = tifiles_file_is_ti(PATH("misc/str.92s"));
	printf("tifiles_file_is_ti: %i\n", ret);

	ret = tifiles_file_is_single(PATH("misc/str.92s"));
	printf("tifiles_file_is_single: %i\n", ret);

	ret = tifiles_file_is_group(PATH("misc/group.92g"));
        printf("tifiles_file_is_group: %i\n", ret);

	ret = tifiles_file_is_regular(PATH("misc/str.92s"));
        printf("tifiles_file_is_regular: %i\n", ret);

	ret = tifiles_file_is_regular(PATH("misc/group.92g"));
        printf("tifiles_file_is_regular: %i\n", ret);

	ret = tifiles_file_is_backup(PATH("misc/backup.83b"));
	printf("tifiles_file_is_backup: %i\n", ret);

	ret = tifiles_file_is_flash(PATH("misc/ticabfra.89k"));
        printf("tifiles_file_is_flash: %i\n", ret);

	ret = tifiles_file_is_flash(PATH("misc/TI73_OS160.73U"));
	printf("tifiles_file_is_flash: %i\n", ret);

	ret = tifiles_file_is_tib(PATH("misc/ams100.tib"));
	printf("tifiles_file_is_tib: %i\n", ret);

	ret = tifiles_file_is_tigroup(PATH("misc/test.tig"));
	printf("tifiles_file_is_tigroup: %i\n", ret);
	printf("--\n");

	// test typesxx.c
	printf("tifiles_file_get_model: %s\n",
	       tifiles_model_to_string(tifiles_file_get_model(PATH("misc/str.92s"))));

	printf("tifiles_file_get_class: %s\n",
	       tifiles_class_to_string(tifiles_file_get_class(PATH("misc/group.92g"))));

	printf("tifiles_file_get_type: %s\n",
	       tifiles_file_get_type(PATH("misc/TI73_OS160.73U")));
	printf("tifiles_file_get_icon: %s\n",
	       tifiles_file_get_icon(PATH("misc/str.92s")));
	printf("--\n");

	// test misc.c

	printf("tifiles_calc_is_ti8x: %i\n", tifiles_calc_is_ti8x(CALC_TI83));
	printf("tifiles_calc_is_ti9x: %i\n", tifiles_calc_is_ti9x(CALC_TI89));

	printf("tifiles_has_folder: %i\n", tifiles_has_folder(CALC_TI92));
	printf("tifiles_is_flash: %i\n", tifiles_is_flash(CALC_TI73));

	printf("tifiles_get_varname: <%s>\n", tifiles_get_varname("fld\\var"));
	printf("tifiles_get_fldname: <%s>\n", tifiles_get_fldname("fld\\var"));
	tifiles_build_fullname(CALC_TI89, buffer, "fld", "var");
	printf("tifiles_build_fullname: <%s>\n", buffer);
	printf("--\n");

	// test filesxx.c & grouped.c
	do
	{
		// TI73 support
		change_dir(PATH("ti73"));
		ret = test_ti73_backup_support(); if (ret) break;
		ret = test_ti73_regular_support(); if (ret) break;
		ret = test_ti73_group_support(); if (ret) break;
		ret = test_ti73_ungroup_support(); if (ret) break;

		// TI82 support
		change_dir(PATH("ti82"));
		ret = test_ti82_backup_support(); if (ret) break;
		ret = test_ti82_regular_support(); if (ret) break;
		ret = test_ti82_group_support(); if (ret) break;
		ret = test_ti82_ungroup_support(); if (ret) break;

		// TI83 support
		change_dir(PATH("ti83"));
		ret = test_ti83_backup_support(); if (ret) break;
		ret = test_ti83_regular_support(); if (ret) break;
		ret = test_ti83_group_support(); if (ret) break;
		ret = test_ti83_ungroup_support(); if (ret) break;

		// TI84+ support
		change_dir(PATH("ti84p"));
		ret = test_ti84p_regular_support(); if (ret) break;
		ret = test_ti84p_group_support(); if (ret) break;
		ret = test_ti84p_ungroup_support(); if (ret) break;
		ret = test_ti84p_flash_support(); if (ret) break;

		// TI85 support
		change_dir(PATH("ti85"));
		ret = test_ti85_regular_support(); if (ret) break;

		// TI86 support
		change_dir(PATH("ti86"));
		ret = test_ti86_backup_support(); if (ret) break;
		ret = test_ti86_regular_support(); if (ret) break;
		ret = test_ti86_group_support(); if (ret) break;
		ret = test_ti86_ungroup_support(); if (ret) break;

		// TI89 support
		change_dir(PATH("ti89"));
		ret = test_ti89_regular_support(); if (ret) break;
		ret = test_ti89_flash_support(); if (ret) break;
		ret = test_v200_regular_support(); if (ret) break;

		// TI92 support
		change_dir(PATH("ti92"));
		ret = test_ti92_backup_support(); if (ret) break;
		ret = test_ti92_regular_support(); if (ret) break;
		ret = test_ti92_group_support(); if (ret) break;
		ret = test_ti92_ungroup_support(); if (ret) break;

		// TIXX certificates
		change_dir(PATH("certs"));
		ret = test_ti8x_cert_support(); if (ret) break;
		ret = test_ti9x_cert_support(); if (ret) break;

		// Add/Del files
		change_dir(PATH("misc"));
		ret = test_ti8x_group_merge(); if (ret) break;

		change_dir(PATH("tig"));
		ret = test_tigroup();
	} while(0);

	// end of test
	tifiles_library_exit();

	return ret;
}
Beispiel #11
0
/**
 * ti9x_file_read_flash:
 * @filename: name of flash file to open.
 * @content: where to store the file content.
 *
 * Load the flash file into a #FlashContent structure.
 *
 * Structure content must be freed with #tifiles_content_delete_flash when
 * no longer used. If error occurs, the structure content is released for you.
 *
 * Return value: an error code, 0 otherwise.
 **/
int ti9x_file_read_flash(const char *filename, Ti9xFlash *head)
{
	FILE *f;
	Ti9xFlash *content = head;
	int tib = 0;
	char signature[9];

	if (!tifiles_file_is_flash(filename) && !tifiles_file_is_tib(filename))
	{
		return ERR_INVALID_FILE;
	}

	if (head == NULL)
	{
		tifiles_critical("%s: an argument is NULL", __FUNCTION__);
		return ERR_INVALID_FILE;
	}

	// detect file type (old or new format)
	tib = tifiles_file_is_tib(filename);

	f = g_fopen(filename, "rb");
	if (f == NULL) 
	{
		tifiles_info("Unable to open this file: %s\n", filename);
		return ERR_FILE_OPEN;
	}  

	if (tib) 
	{	// tib is an old format but mainly used by developers
		memset(content, 0, sizeof(Ti9xFlash));
		if(fseek(f, 0, SEEK_END)) goto tfrf;
		content->data_length = (uint32_t) ftell(f);
		if(fseek(f, 0, SEEK_SET)) goto tfrf;

		strcpy(content->name, "basecode");
		content->data_type = 0x23;	// FLASH os

		content->data_part = (uint8_t *)g_malloc0(content->data_length);
		if (content->data_part == NULL) 
		{
			fclose(f);
			return ERR_MALLOC;
		}

		if(fread(content->data_part, 1, content->data_length, f) < content->data_length) goto tfrf;
		switch(content->data_part[8])
		{
			case 1: content->device_type = DEVICE_TYPE_92P; break;	// TI92+
			case 3: content->device_type = DEVICE_TYPE_89; break;	// TI89
			// value added by the TI community according to HWID parameter
			// doesn't have any 'legal' existence.
			case 8: content->device_type = DEVICE_TYPE_92P; break;	// V200PLT
			case 9: content->device_type = DEVICE_TYPE_89; break;	// Titanium
		}

		content->next = NULL;
	} 
	else 
	{
		for (content = head;; content = content->next) 
		{
			if(fread_8_chars(f, signature) < 0) goto tfrf;
			content->model = tifiles_file_get_model(filename);
			if(fread_byte(f, &(content->revision_major)) < 0) goto tfrf;
			if(fread_byte(f, &(content->revision_minor)) < 0) goto tfrf;
			if(fread_byte(f, &(content->flags)) < 0) goto tfrf;
			if(fread_byte(f, &(content->object_type)) < 0) goto tfrf;
			if(fread_byte(f, &(content->revision_day)) < 0) goto tfrf;
			if(fread_byte(f, &(content->revision_month)) < 0) goto tfrf;
			if(fread_word(f, &(content->revision_year)) < 0) goto tfrf;
			if(fskip(f, 1) < 0) goto tfrf;
			if(fread_8_chars(f, content->name) < 0) goto tfrf;
			if(fskip(f, 23) < 0) goto tfrf;
			if(fread_byte(f, &(content->device_type)) < 0) goto tfrf;
			if(fread_byte(f, &(content->data_type)) < 0) goto tfrf;
			if(fskip(f, 23) < 0) goto tfrf;
			if(fread_byte(f, &(content->hw_id)) < 0) goto tfrf;
			if(fread_long(f, &(content->data_length)) < 0) goto tfrf;

			if(content->data_type != TI89_LICENSE && !check_device_type(content->device_type))
			{
				return ERR_INVALID_FILE;
			}
			if(!check_data_type(content->data_type))
			{
				return ERR_INVALID_FILE;
			}

			content->data_part = (uint8_t *)g_malloc0(content->data_length);
			if (content->data_part == NULL) 
			{
				fclose(f);
				tifiles_content_delete_flash(content);
				return ERR_MALLOC;
			}

			if(fread(content->data_part, 1, content->data_length, f) < content->data_length) goto tfrf;
			content->next = NULL;

			// check for end of file
			if(fread_8_chars(f, signature) < 0)
			{
				break;
			}
			if(strcmp(signature, "**TIFL**") || feof(f))
			{
				break;
			}
			if(fseek(f, -8, SEEK_CUR)) goto tfrf;

			content->next = (Ti9xFlash *)g_malloc0(sizeof(Ti9xFlash));
			if (content->next == NULL) 
			{
				fclose(f);
				tifiles_content_delete_flash(content);
				return ERR_MALLOC;
			}
		}
	}

	fclose(f);
	return 0;

tfrf:	// release on exit
	tifiles_critical("%s: error reading / understanding file %s", __FUNCTION__, filename);
	fclose(f);
	tifiles_content_delete_flash(content);
	return ERR_FILE_IO;
}