summaryrefslogtreecommitdiffstats
path: root/tools/bpf/bpftool/main.h
diff options
context:
space:
mode:
authorJakub Kicinski <jakub.kicinski@netronome.com>2018-07-10 14:43:05 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2018-07-11 22:13:34 +0200
commit531b014e7a2fedaeff0b19b2934d830cd4b35dc0 (patch)
tree0de8355e9d533b4f6f90c3b389f58c992e75bb14 /tools/bpf/bpftool/main.h
parent8d13406c02f9c38f106416e1dbe0e68059b9f59a (diff)
downloadtalos-obmc-linux-531b014e7a2fedaeff0b19b2934d830cd4b35dc0.tar.gz
talos-obmc-linux-531b014e7a2fedaeff0b19b2934d830cd4b35dc0.zip
tools: bpf: make use of reallocarray
reallocarray() is a safer variant of realloc which checks for multiplication overflow in case of array allocation. Since it's not available in Glibc < 2.26 import kernel's overflow.h and add a static inline implementation when needed. Use feature detection to probe for existence of reallocarray. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/bpf/bpftool/main.h')
-rw-r--r--tools/bpf/bpftool/main.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index 15b6c49ae533..1e02e4031693 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -42,6 +42,7 @@
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/hashtable.h>
+#include <tools/libc_compat.h>
#include "json_writer.h"
OpenPOWER on IntegriCloud