diff options
| author | Ron Yorston <rmy@frippery.org> | 2015-07-19 23:05:20 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-07-19 23:05:20 +0200 |
| commit | d840c5d139cfa50fbe4f6f67c178b0edf0c690c8 (patch) | |
| tree | e75010ca3ce7769f53a6170ebe940f37c6a94dc1 /miscutils | |
| parent | 78cfa00154dca18a1326d2064121bf65cd081781 (diff) | |
| download | busybox-d840c5d139cfa50fbe4f6f67c178b0edf0c690c8.tar.gz | |
libbb: add a function to make a copy of a region of memory
Introduce a library routine to package the idiom:
p = xmalloc(b, n);
memcpy(p, b, n);
and use it where possible. The example in traceroute used xzalloc
but it didn't need to.
function old new delta
xmemdup - 32 +32
last_main 834 826 -8
make_device 2321 2311 -10
common_traceroute_main 3698 3685 -13
readtoken1 3182 3168 -14
procps_scan 1222 1206 -16
forkchild 655 638 -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/6 up/down: 32/-78) Total: -46 bytes
Signed-off-by: Ron Yorston <rmy@frippery.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils')
| -rw-r--r-- | miscutils/last_fancy.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/miscutils/last_fancy.c b/miscutils/last_fancy.c index 8194e31b5..e56e0ba85 100644 --- a/miscutils/last_fancy.c +++ b/miscutils/last_fancy.c @@ -233,7 +233,7 @@ int last_main(int argc UNUSED_PARAM, char **argv) break; } /* add_entry */ - llist_add_to(&zlist, memcpy(xmalloc(sizeof(ut)), &ut, sizeof(ut))); + llist_add_to(&zlist, xmemdup(&ut, sizeof(ut))); break; case USER_PROCESS: { int show; @@ -275,7 +275,7 @@ int last_main(int argc UNUSED_PARAM, char **argv) show_entry(&ut, state, boot_time); } /* add_entry */ - llist_add_to(&zlist, memcpy(xmalloc(sizeof(ut)), &ut, sizeof(ut))); + llist_add_to(&zlist, xmemdup(&ut, sizeof(ut))); break; } } |