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[elpa] 280/299: Bugfix in file name expansion.


From: Stefan Monnier
Subject: [elpa] 280/299: Bugfix in file name expansion.
Date: Sun, 02 Nov 2014 03:11:58 +0000

monnier pushed a commit to branch externals/auctex
in repository elpa.

commit 3ac59294abc7ad686e8788e5b2c12f78489240f7
Author: Florent Rougon <address@hidden>
Date:   Mon Aug 25 09:02:55 2014 +0200

    Bugfix in file name expansion.
    
    * tex-buf.el (TeX-command-expand): Fix possible endless loop in
    file name expansion.
    
    Signed-off-by: Tassilo Horn <address@hidden>
---
 ChangeLog  |    5 +++++
 tex-buf.el |   10 ++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 4bb50da..01ff6dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-08-25  Florent Rougon  <address@hidden>  (tiny change)
+
+       * tex-buf.el (TeX-command-expand): Fix possible endless loop in
+       file name expansion.
+
 2014-08-24  Mos´┐Ż Giordano  <address@hidden>
 
        * tests/tex/command-expansion.el: New test file.
diff --git a/tex-buf.el b/tex-buf.el
index ea62e11..a3538ba 100644
--- a/tex-buf.el
+++ b/tex-buf.el
@@ -387,7 +387,7 @@ without further expansion."
                  (concat (and (stringp TeX-command-pos) TeX-command-pos)
                          (apply ',file args)
                          (and (stringp TeX-command-pos) TeX-command-pos)))))
-       case-fold-search string expansion arguments)
+        expansion-res case-fold-search string expansion arguments)
     (setq list (cons
                (list "%%" (lambda nil
                             (setq pos (1+ pos))
@@ -410,7 +410,13 @@ without further expansion."
                                 (TeX-function-p expansion))
                            (apply expansion arguments))
                           ((boundp expansion)
-                           (apply (eval expansion) arguments))
+                            (setq expansion-res
+                                  (apply (eval expansion) arguments))
+                            (when (eq expansion 'file)
+                              ;; Advance past the file name in order to
+                              ;; prevent expanding any substring of it.
+                              (setq pos (+ pos (length expansion-res))))
+                              expansion-res)
                           (t
                            (error "Nonexpansion %s" expansion)))))
       (if (stringp string)



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