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bpf: fix warnings on gcc-8 about string truncation

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In theory, the path for BPF could exceed the 4K PATH_MAX.
In practice, not really possible. But shut up gcc.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2018-04-20 10:38:00 -07:00
parent 0aaf62fcb6
commit 260a92afe6
1 changed files with 3 additions and 3 deletions
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6
lib/bpf.c
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@ -634,7 +634,7 @@ static int bpf_gen_global(const char *bpf_sub_dir)
static int bpf_gen_master(const char *base, const char *name)
{
char bpf_sub_dir[PATH_MAX];
char bpf_sub_dir[PATH_MAX + NAME_MAX + 1];
int ret;
snprintf(bpf_sub_dir, sizeof(bpf_sub_dir), "%s%s/", base, name);
@ -675,8 +675,8 @@ static int bpf_slave_via_bind_mnt(const char *full_name,
static int bpf_gen_slave(const char *base, const char *name,
const char *link)
{
char bpf_lnk_dir[PATH_MAX];
char bpf_sub_dir[PATH_MAX];
char bpf_lnk_dir[PATH_MAX + NAME_MAX + 1];
char bpf_sub_dir[PATH_MAX + NAME_MAX];
struct stat sb = {};
int ret;