- int ft;
-
- for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
- /* To save a file with Wiretap, Wiretap has to handle that format,
- and its code to handle that format must be able to write a file
- with this file's encapsulation types. */
- if (wtap_dump_can_write_encaps(ft, cf->linktypes)) {
- /* OK, we can write it out in this type. */
- return TRUE;
- }
+ /* We don't care whether we support the comments in this file or not;
+ if we can't, we'll offer the user the option of discarding the
+ comments. */
+ return wtap_dump_can_write(cf->linktypes, 0);
+}
+
+/*
+ * Should we let the user do a save?
+ *
+ * We should if:
+ *
+ * the file has unsaved changes, and we can save it in some
+ * format through Wiretap
+ *
+ * or
+ *
+ * the file is a temporary file and has no unsaved changes (so
+ * that "saving" it just means copying it).
+ *
+ * XXX - we shouldn't allow files to be edited if they can't be saved,
+ * so cf->unsaved_changes should be true only if the file can be saved.
+ *
+ * We don't care whether we support the comments in this file or not;
+ * if we can't, we'll offer the user the option of discarding the
+ * comments.
+ */
+gboolean
+cf_can_save(capture_file *cf)
+{
+ if (cf->unsaved_changes && wtap_dump_can_write(cf->linktypes, 0)) {
+ /* Saved changes, and we can write it out with Wiretap. */
+ return TRUE;
+ }
+
+ if (cf->is_tempfile && !cf->unsaved_changes) {
+ /*
+ * Temporary file with no unsaved changes, so we can just do a
+ * raw binary copy.
+ */
+ return TRUE;
+ }
+
+ /* Nothing to save. */
+ return FALSE;
+}
+
+/*
+ * Should we let the user do a "save as"?
+ *
+ * That's true if:
+ *
+ * we can save it in some format through Wiretap
+ *
+ * or
+ *
+ * the file is a temporary file and has no unsaved changes (so
+ * that "saving" it just means copying it).
+ *
+ * XXX - we shouldn't allow files to be edited if they can't be saved,
+ * so cf->unsaved_changes should be true only if the file can be saved.
+ *
+ * We don't care whether we support the comments in this file or not;
+ * if we can't, we'll offer the user the option of discarding the
+ * comments.
+ */
+gboolean
+cf_can_save_as(capture_file *cf)
+{
+ if (wtap_dump_can_write(cf->linktypes, 0)) {
+ /* We can write it out with Wiretap. */
+ return TRUE;
+ }
+
+ if (cf->is_tempfile && !cf->unsaved_changes) {
+ /*
+ * Temporary file with no unsaved changes, so we can just do a
+ * raw binary copy.
+ */
+ return TRUE;
git.samba.org / metze / wireshark / wip.git / blobdiff