* minibuf.c (read_minibuf_noninteractive): Don't leak memory

on memory overflow.

2 files changed, 7 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 435d883e14f..4e10537edc8 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-29  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * minibuf.c (read_minibuf_noninteractive): Don't leak memory
+        on memory overflow.
+
         * macros.c: Integer and memory overflow fixes.
         (Fstart_kbd_macro): Don't update size until alloc done.
         (store_kbd_macro_char): Reorder multiplicands to avoid overflow.
diff --git a/src/minibuf.c b/src/minibuf.c
index eb564a10ec6..30082af9037 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -261,7 +261,10 @@ read_minibuf_noninteractive (Lisp_Object map, Lisp_Object initial,
           if (len == size)
             {
               if (STRING_BYTES_BOUND / 2 < size)
-                memory_full (SIZE_MAX);
+                {
+                  xfree (line);
+                  memory_full (SIZE_MAX);
+                }
               size *= 2;
               line = (char *) xrealloc (line, size);
             }