linux/tools
Shawn Landden 97acec7df1 perf data: Fix 'strncat may truncate' build failure with recent gcc
This strncat() is safe because the buffer was allocated with zalloc(),
however gcc doesn't know that. Since the string always has 4 non-null
bytes, just use memcpy() here.

    CC       /home/shawn/linux/tools/perf/util/data-convert-bt.o
  In file included from /usr/include/string.h:494,
                   from /home/shawn/linux/tools/lib/traceevent/event-parse.h:27,
                   from util/data-convert-bt.c:22:
  In function ‘strncat’,
      inlined from ‘string_set_value’ at util/data-convert-bt.c:274:4:
  /usr/include/powerpc64le-linux-gnu/bits/string_fortified.h:136:10: error: ‘__builtin_strncat’ output may be truncated copying 4 bytes from a string of length 4 [-Werror=stringop-truncation]
    136 |   return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Shawn Landden <shawn@git.icu>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
LPU-Reference: 20190518183238.10954-1-shawn@git.icu
Link: https://lkml.kernel.org/n/tip-289f1jice17ta7tr3tstm9jm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-05-28 09:49:03 -03:00
..
accounting delayacct: track delays from thrashing cache pages 2018-10-26 16:26:32 -07:00
arch Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-19 11:20:22 -07:00
bpf bpftool: fix BTF raw dump of FWD's fwd_kind 2019-05-17 14:21:29 +02:00
build tools build: Implement libzstd feature check, LIBZSTD_DIR and NO_LIBZSTD defines 2019-04-01 15:18:10 -03:00
cgroup
crypto crypto: user - rename err_cnt parameter 2018-12-07 14:15:00 +08:00
debugging tools: add a kernel-chktaint to tools/debugging 2019-01-08 16:29:52 -07:00
firewire
firmware tools/firmware/ihex2fw: Replace explicit alignment with ALIGN 2019-01-22 10:23:18 +01:00
gpio tools gpio: Allow overriding CFLAGS 2018-12-28 16:33:08 -03:00
hv Tools: hv: kvp: Fix a warning of buffer overflow with gcc 8.0.1 2018-11-11 12:58:27 -08:00
iio Merge 5.0-rc6 into staging-next 2019-02-11 09:25:01 +01:00
include tools/bpf: Sync kernel btf.h header 2019-05-14 10:06:23 +02:00
io_uring tools/io_uring: remove IOCQE_FLAG_CACHEHIT 2019-04-08 10:48:50 -06:00
kvm/kvm_stat tools/kvm_stat: switch to python3 2018-11-27 12:53:44 +01:00
laptop
leds
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-20 08:21:07 -07:00
memory-model tools/memory-model: Add support for synchronize_srcu_expedited() 2019-04-04 13:48:34 -07:00
nfsd
objtool Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-19 10:23:24 -07:00
pci perf/core improvements and fixes: 2019-05-18 10:24:43 +02:00
pcmcia
perf perf data: Fix 'strncat may truncate' build failure with recent gcc 2019-05-28 09:49:03 -03:00
power Merge branch 'x86-mds-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-14 07:57:29 -07:00
scripts
spi
testing Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-20 08:21:07 -07:00
thermal/tmon tools thermal tmon: Use -O3 instead of -O1 if available 2019-01-04 12:54:49 -03:00
time
usb
virtio tools/virtio/ringtest: Remove bogus definition of BUG_ON() 2019-05-12 13:11:35 -04:00
vm tools/vm/slabinfo: clean up usage menu debug items 2019-03-05 21:07:20 -08:00
wmi
Makefile Merge branch 'thorsten' into docs-next 2019-01-08 16:38:36 -07:00