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libbpf: Fix printing of ulimit value

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Naresh pointed out that libbpf builds fail on 32-bit architectures because
rlimit.rlim_cur is defined as 'unsigned long long' on those architectures.
Fix this by using %zu in printf and casting to size_t.

Fixes: dc3a2d2547 ("libbpf: Print hint about ulimit when getting permission denied error")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191219090236.905059-1-toke@redhat.com
This commit is contained in:
Toke Høiland-Jørgensen 2019-12-19 10:02:36 +01:00 committed by Daniel Borkmann
parent 580205dd4f
commit b5c7d0d0f7
1 changed files with 1 additions and 1 deletions
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2
tools/lib/bpf/libbpf.c
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@ -117,7 +117,7 @@ static void pr_perm_msg(int err)
return;
if (limit.rlim_cur < 1024)
snprintf(buf, sizeof(buf), "%lu bytes", limit.rlim_cur);
snprintf(buf, sizeof(buf), "%zu bytes", (size_t)limit.rlim_cur);
else if (limit.rlim_cur < 1024*1024)
snprintf(buf, sizeof(buf), "%.1f KiB", (double)limit.rlim_cur / 1024);
else