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(truncate_undo_list): Avoid dangerous side effects in NILP argument.

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This commit is contained in:
Ken Raeburn 2005-12-06 07:40:47 +00:00
parent 7723a3e52b
commit 88fde92a48
2 changed files with 15 additions and 5 deletions
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14
src/ChangeLog
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@ -1,3 +1,13 @@
2005-12-06 Ken Raeburn <raeburn@gnu.org>
* buffer.c (Fkill_buffer): Avoid dangerous side effects in NILP
argument.
* bytecode.c (Fbyte_code): Likewise.
* fileio.c (internal_delete_file, Fread_file_name_internal):
Likewise.
* minibuf.c (Fminibuffer_complete_and_exit): Likewise.
* undo.c (truncate_undo_list): Likewise.
2005-12-05 Richard M. Stallman <rms@gnu.org>
* window.c (enlarge_window): Eliminate arg preserve_before.
@ -97,7 +107,7 @@
* macterm.h (cfstring_to_lisp_nodecode) [TARGET_API_MAC_CARBON]:
Add prototype.
2005-11-21 Ken Raeburn <raeburn@mit.edu>
2005-11-21 Ken Raeburn <raeburn@gnu.org>
* keymap.c (shadow_lookup): Use make_number to pass a number to
Fsubstring.
@ -16331,7 +16341,7 @@
* xdisp.c (forward_to_next_line_start): Return 0 when reaching the
end of the buffer.
2002-08-08 Ken Raeburn <raeburn@mit.edu>
2002-08-08 Ken Raeburn <raeburn@gnu.org>
* coding.c (Ffind_operation_coding_system): Fix Lisp_Object/int mixup.

6
src/undo.c
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@ -378,11 +378,11 @@ truncate_undo_list (b)
&& size_so_far > XINT (Vundo_outer_limit)
&& !NILP (Vundo_outer_limit_function))
{
Lisp_Object temp = last_undo_buffer;
Lisp_Object temp = last_undo_buffer, tem;
/* Normally the function this calls is undo-outer-limit-truncate. */
if (! NILP (call1 (Vundo_outer_limit_function,
make_number (size_so_far))))
tem = call1 (Vundo_outer_limit_function, make_number (size_so_far));
if (! NILP (tem))
{
/* The function is responsible for making
any desired changes in buffer-undo-list. */