1 files changed, 8 insertions, 18 deletions
diff --git a/src/util/file.vala b/src/util/file.vala
index c1ee06d..652a141 100644
--- a/src/util/file.vala
+++ b/src/util/file.vala
@@ -31,9 +31,11 @@ public bool claim_file(File file) throws Error {
 // same or similar as what has been requested (adds numerals to the end of the name until a unique
 // one has been found).  The file may exist when this function returns, and it should be
 // overwritten.  It does *not* attempt to create the parent directory, however.
+// The used parameter allows you to pass in a collection of names which should be deemed to be
+// already claimed but which may not yet exist in the file system.
 //
 // This function is thread-safe.
-public File? generate_unique_file(File dir, string basename, out bool collision) throws Error {
+public File? generate_unique_file(File dir, string basename, out bool collision, Gee.Collection<string>? used = null) throws Error {
     // create the file to atomically "claim" it
     File file = dir.get_child(basename);
     if (claim_file(file)) {
@@ -51,7 +53,9 @@ public File? generate_unique_file(File dir, string basename, out bool collision)
     // generate a unique filename
     for (int ctr = 1; ctr < int.MAX; ctr++) {
         string new_name = (ext != null) ? "%s_%d.%s".printf(name, ctr, ext) : "%s_%d".printf(name, ctr);
-        
+        if (used != null && used.contains(new_name)) {
+            continue;
+        }
         file = dir.get_child(new_name);
         if (claim_file(file))
             return file;
@@ -151,11 +155,11 @@ public void delete_all_files(File dir, Gee.Set<string>? exceptions = null, Progr
     }
 }
 
-public time_t query_file_modified(File file) throws Error {
+public DateTime query_file_modified(File file) throws Error {
     FileInfo info = file.query_info(FileAttribute.TIME_MODIFIED, FileQueryInfoFlags.NOFOLLOW_SYMLINKS, 
         null);
 
-    return info.get_modification_time().tv_sec;
+    return info.get_modification_date_time();
 }
 
 public bool query_is_directory(File file) {
@@ -199,20 +203,6 @@ public string? get_file_info_id(FileInfo info) {
     return info.get_attribute_string(FileAttribute.ID_FILE);
 }
 
-// Breaks a uint64 skip amount into several smaller skips.
-public void skip_uint64(InputStream input, uint64 skip_amount) throws GLib.Error {
-    while (skip_amount > 0) {
-        // skip() throws an error if the amount is too large, so check against ssize_t.MAX
-        if (skip_amount >= ssize_t.MAX) {
-            input.skip(ssize_t.MAX);
-            skip_amount -= ssize_t.MAX;
-        } else {
-            input.skip((size_t) skip_amount);
-            skip_amount = 0;
-        }
-    }
-}
-
 // Returns the number of files (and/or directories) within a directory.
 public uint64 count_files_in_directory(File dir) throws GLib.Error {
     if (!query_is_directory(dir))