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| author | Jim Meyering <jim@meyering.net> | 2008-06-02 06:09:17 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2008-06-02 06:09:17 +0000 |
| commit | 70fdbb46cd40f9376333e10c9284873d3a3a787f (patch) | |
| tree | d087a93bc6d9be911fce5e28e1112f6c5dfddb09 /src/alloc.c | |
| parent | 5c19cd0bbb8f3b8142c0b8f90eebdd84b7a3eb29 (diff) | |
| download | emacs-70fdbb46cd40f9376333e10c9284873d3a3a787f.tar.gz emacs-70fdbb46cd40f9376333e10c9284873d3a3a787f.tar.bz2 emacs-70fdbb46cd40f9376333e10c9284873d3a3a787f.zip | |
Make "xfree (NULL)" a no-op; remove useless if-before-xfree.
* src/alloc.c (xfree): Return right away for a NULL arg.
* src/lread.c (nosuffix): Remove now-useless if-before-xfree tests.
* src/gtkutil.c (xg_gtk_scroll_destroy): Likewise.
* src/mac.c (create_apple_event_from_event_ref): Likewise.
(create_apple_event_from_drag_ref, cfstring_create_normalized): Likewise.
* src/doprnt.c (doprnt1): Likewise.
* src/frame.c (frame): Likewise.
* src/keyboard.c (wipe_kboard): Likewise.
* src/macterm.c (x_free_frame_resources, xlfdpat_destroy, XFreePixmap):
(init_font_name_table, mac_unload_font, x_delete_display): Likewise.
* src/term.c (tty_default_color_capabilities, maybe_fatal)
(delete_tty): Likewise.
* src/w16select.c (string): Likewise.
* src/w32.c (w32_get_resource, SET_ENV_BUF_SIZE): Likewise.
* src/w32bdf.c (w32_free_bdf_font): Likewise.
* src/w32fns.c (w32_unload_font): Likewise.
* src/w32font.c (w32font_close): Likewise.
* src/window.c (size_window): Likewise.
* src/xselect.c (receive_incremental_selection): Likewise.
* src/xterm.c (x_free_frame_resources, x_delete_display): Likewise.
* src/mactoolbox.c (create_apple_event_from_drag_ref): Likewise.
* src/w32.c (stat): Likewise.
Diffstat (limited to 'src/alloc.c')
| -rw-r--r-- | src/alloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/alloc.c b/src/alloc.c index 031cb99b674..797b385fbd2 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -797,6 +797,8 @@ void xfree (block) POINTER_TYPE *block; { + if (!block) + return; MALLOC_BLOCK_INPUT; free (block); MALLOC_UNBLOCK_INPUT; |