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| author |   Florin Coras <fcoras@cisco.com> | 2020-12-15 20:35:11 -0800 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2020-12-16 16:24:18 +0000 |
| commit | d6a1acebeae5adb157397b8088042a03f0fa5ee9 (patch) | |
| tree | 0f58a4b3bc0fa859a87766fa0279d80bfbca8f70 /src/vppinfra | |
| parent | 5bfaa6e7e3225f06403be718eb6185b5fad01c91 (diff) | |
vppinfra: fix vec_max_len
Return 0 if the supplied vector pointer is NULL.
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Icb0aab70e0b7c9c1ddcf607c9dfb7e5715f177d1
Diffstat (limited to 'src/vppinfra')
| -rw-r--r-- | src/vppinfra/vec_bootstrap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vppinfra/vec_bootstrap.h b/src/vppinfra/vec_bootstrap.h index 53968070c0e..5cf5d3b76a1 100644 --- a/src/vppinfra/vec_bootstrap.h +++ b/src/vppinfra/vec_bootstrap.h @@ -171,7 +171,8 @@ u32 vec_len_not_inline (void *v); }) /** \brief Total number of elements that can fit into vector. */ -#define vec_max_len(v) (vec_capacity(v,0) / sizeof (v[0])) +#define vec_max_len(v) \ + ((v) ? (vec_capacity (v,0) - vec_header_bytes (0)) / sizeof (v[0]) : 0) /** \brief Set vector length to a user-defined value */ #ifndef __COVERITY__ /* Coverity gets confused by ASSERT() */ |