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| author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2024-01-29 14:19:59 +0000 |
|---|---|---|
| committer | Bjoern A. Zeeb <bz@FreeBSD.org> | 2024-02-03 13:50:32 +0000 |
| commit | 2d9d35837d8ea3ee7d7447d63a8755d45ec2fd96 (patch) | |
| tree | 43cbeb6bb39709f84215e20a5d87994d46bec01e | |
| parent | 8f7c32a41a6a6d88e36ce2f588489274193c2c9a (diff) | |
| download | src-2d9d35837d8ea3ee7d7447d63a8755d45ec2fd96.tar.gz src-2d9d35837d8ea3ee7d7447d63a8755d45ec2fd96.zip | |
LinuxKPI: implement memset_after()
memset_after() is needed by iwlwifi d3.c.
MFC after: 3 days
Reviewed by: emaste
Differential Revision: https://reviews.freebsd.org/D43644
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/string.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index 1d9b7af5d9d5..f745c2f6d343 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -265,4 +265,12 @@ memcpy_and_pad(void *dst, size_t dstlen, const void *src, size_t len, int ch) memset(_ptr + _o, _c, sizeof(*(ptr)) - _o); \ }) +#define memset_after(ptr, bytepat, smember) \ +({ \ + uint8_t *_ptr = (uint8_t *)(ptr); \ + int _c = (int)(bytepat); \ + size_t _o = offsetofend(typeof(*(ptr)), smember); \ + memset(_ptr + _o, _c, sizeof(*(ptr)) - _o); \ +}) + #endif /* _LINUXKPI_LINUX_STRING_H_ */ |