diff options
Diffstat (limited to 'lib/sg_lib.c')
| -rw-r--r-- | lib/sg_lib.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/sg_lib.c b/lib/sg_lib.c index 7014a0eb..81ac1ddb 100644 --- a/lib/sg_lib.c +++ b/lib/sg_lib.c @@ -2586,6 +2586,28 @@ sg_is_big_endian() the most significant byte */ } +bool sg_all_zeros(const uint8_t * bp, int b_len) +{ + if ((NULL == bp) || (b_len <= 0)) + return false; + for (--b_len; b_len >= 0; --b_len) { + if (0x0 != bp[b_len]) + return false; + } + return true; +} + +bool sg_all_ffs(const uint8_t * bp, int b_len) +{ + if ((NULL == bp) || (b_len <= 0)) + return false; + for (--b_len; b_len >= 0; --b_len) { + if (0xff != bp[b_len]) + return false; + } + return true; +} + static uint16_t swapb_uint16(uint16_t u) { |