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-rw-r--r--lisp/gnus/legacy-gnus-agent.el31
1 files changed, 14 insertions, 17 deletions
diff --git a/lisp/gnus/legacy-gnus-agent.el b/lisp/gnus/legacy-gnus-agent.el
index 7ee6ac7f744..d0b4d10d680 100644
--- a/lisp/gnus/legacy-gnus-agent.el
+++ b/lisp/gnus/legacy-gnus-agent.el
@@ -110,23 +110,20 @@ converted to the compressed format."
(throw 'found-file-to-convert t))
(erase-buffer)
- (let ((compressed nil))
- (mapcar (lambda (pair)
- (let* ((article-id (car pair))
- (day-of-download (cdr pair))
- (comp-list (assq day-of-download compressed)))
- (if comp-list
- (setcdr comp-list
- (cons article-id (cdr comp-list)))
- (setq compressed
- (cons (list day-of-download article-id)
- compressed)))
- nil)) alist)
- (mapcar (lambda (comp-list)
- (setcdr comp-list
- (gnus-compress-sequence
- (nreverse (cdr comp-list)))))
- compressed)
+ (let (article-id day-of-download comp-list compressed)
+ (while alist
+ (setq article-id (caar alist)
+ day-of-download (cdar alist)
+ comp-list (assq day-of-download compressed)
+ alist (cdr alist))
+ (if comp-list
+ (setcdr comp-list (cons article-id (cdr comp-list)))
+ (push (list day-of-download article-id) compressed)))
+ (setq alist compressed)
+ (while alist
+ (setq comp-list (pop alist))
+ (setcdr comp-list
+ (gnus-compress-sequence (nreverse (cdr comp-list)))))
(princ compressed (current-buffer)))
(insert "\n2\n")
(write-file file)