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bug#49770: [PATCH] rmailsum: error when message contains no From header
From: |
Nick Gasson |
Subject: |
bug#49770: [PATCH] rmailsum: error when message contains no From header |
Date: |
Thu, 29 Jul 2021 21:24:13 +0800 |
If you open a mbox file in rmail-mode containing a message without a
"From" header and press "h" to display the summary, the following
error occurs:
Debugger entered--Lisp error: (wrong-type-argument stringp nil)
string-match("\n" nil)
rmail-header-summary()
rmail-create-summary(1 nil nil 101)
rmail-create-summary-line(1)
rmail-get-summary(1)
rmail-new-summary-1("All" (rmail-summary) nil nil)
rmail-new-summary("All" (rmail-summary) nil)
rmail-summary()
funcall-interactively(rmail-summary)
call-interactively(rmail-summary nil nil)
* lisp/mail/rmailsum.el (rmail-header-summary): Check if from header
is set before scanning it for newlines.
---
lisp/mail/rmailsum.el | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisp/mail/rmailsum.el b/lisp/mail/rmailsum.el
index 44cff21b0628..436bc78250cb 100644
--- a/lisp/mail/rmailsum.el
+++ b/lisp/mail/rmailsum.el
@@ -758,7 +758,7 @@ rmail-header-summary
len mch lo newline)
;; If there are multiple lines in FROM,
;; discard up to the last newline in it.
- (while (setq newline (string-match "\n" from))
+ (while (and from (setq newline (string-match "\n" from)))
(setq from (substring from (1+ newline))))
(if (or (null from)
(string-match
--
2.30.2
- bug#49770: [PATCH] rmailsum: error when message contains no From header,
Nick Gasson <=