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libbpf: Centralize poisoning and poison reallocarray()

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Most of libbpf source files already include libbpf_internal.h, so it's a good
place to centralize identifier poisoning. So move kernel integer type
poisoning there. And also add reallocarray to a poison list to prevent
accidental use of it. libbpf_reallocarray() should be used universally
instead.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200819013607.3607269-4-andriin@fb.com
This commit is contained in:
Andrii Nakryiko
2020-08-18 18:36:06 -07:00
committed by Alexei Starovoitov
parent 7084566a23
commit 85367030a6
12 changed files with 13 additions and 33 deletions
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3
tools/lib/bpf/btf.c
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@@ -21,9 +21,6 @@
#include "libbpf_internal.h"
#include "hashmap.h"
/* make sure libbpf doesn't use kernel-only integer typedefs */
#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
#define BTF_MAX_NR_TYPES 0x7fffffffU
#define BTF_MAX_STR_OFFSET 0x7fffffffU