From 7117d4b22f747c692f3d033ef72fee527f890eb8 Mon Sep 17 00:00:00 2001 From: "Bjoern A. Zeeb" Date: Mon, 29 Jan 2024 14:19:59 +0000 Subject: [PATCH] LinuxKPI: implement memset_after() memset_after() is needed by iwlwifi d3.c. Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D43644 (cherry picked from commit 2d9d35837d8ea3ee7d7447d63a8755d45ec2fd96) --- sys/compat/linuxkpi/common/include/linux/string.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index 1d9b7af5d9d..f745c2f6d34 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_ */