diff options
| author | Paul Eggert <eggert@cs.ucla.edu> | 2014-07-14 12:07:54 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2014-07-14 12:07:54 -0700 |
| commit | 091adafaac52ff409790728af63cab19bd52fc8f (patch) | |
| tree | 222df9c21e51b556791a0e15373e34cdf08d74c1 /src/macros.c | |
| parent | 918be62752b7b3cd6e4a48e656dcbb52c3fc8073 (diff) | |
| download | emacs-091adafaac52ff409790728af63cab19bd52fc8f.tar.gz | |
* macros.c (Fstart_kbd_macro): Avoid need for overflow check.
Diffstat (limited to 'src/macros.c')
| -rw-r--r-- | src/macros.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/src/macros.c b/src/macros.c index 07667f09431..4730a8becc9 100644 --- a/src/macros.c +++ b/src/macros.c @@ -87,16 +87,13 @@ macro before appending to it. */) /* Check the type of last-kbd-macro in case Lisp code changed it. */ len = CHECK_VECTOR_OR_STRING (KVAR (current_kboard, Vlast_kbd_macro)); - if (INT_ADD_OVERFLOW (len, incr)) - memory_full (SIZE_MAX); - /* Copy last-kbd-macro into the buffer, in case the Lisp code has put another macro there. */ - if (current_kboard->kbd_macro_bufsize < len + incr) + if (current_kboard->kbd_macro_bufsize - incr < len) current_kboard->kbd_macro_buffer = xpalloc (current_kboard->kbd_macro_buffer, ¤t_kboard->kbd_macro_bufsize, - len + incr - current_kboard->kbd_macro_bufsize, -1, + len - current_kboard->kbd_macro_bufsize + incr, -1, sizeof *current_kboard->kbd_macro_buffer); /* Must convert meta modifier when copying string to vector. */ |