git: b1a9e570fe2d - main - linuxkpi: Add `strscpy_pad()` to <linux/string.h>

The branch main has been updated by dumbbell (ports committer):

URL: https://cgit.FreeBSD.org/src/commit/?id=b1a9e570fe2da0a43c41327d7ce21b27bf8257b8

commit b1a9e570fe2da0a43c41327d7ce21b27bf8257b8
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2023-02-14 23:46:13 +0000
Commit:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
CommitDate: 2023-02-15 22:19:41 +0000

    linuxkpi: Add `strscpy_pad()` to <linux/string.h>
    
    It's the same as `strscpy()` except that it fills the rest of the
    destination buffer with zeroes if the source buffer is shorter.
    
    Reviewed by:    manu
    Approved by:    manu
---
 sys/compat/linuxkpi/common/include/linux/string.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h
index 65422cac629c..20c3729aaf12 100644
--- a/sys/compat/linuxkpi/common/include/linux/string.h
+++ b/sys/compat/linuxkpi/common/include/linux/string.h
@@ -207,6 +207,15 @@ strscpy(char* dst, const char* src, size_t len)
 	return (-E2BIG);
 }
 
+static inline ssize_t
+strscpy_pad(char* dst, const char* src, size_t len)
+{
+
+	bzero(dst, len);
+
+	return (strscpy(dst, src, len));
+}
+
 static inline void *
 memset32(uint32_t *b, uint32_t c, size_t len)
 {