The branch main has been updated by wulf:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=19703887666da09c79c571bc78f0923bae62be91

commit 19703887666da09c79c571bc78f0923bae62be91
Author:     Vladimir Kondratyev <w...@freebsd.org>
AuthorDate: 2024-04-08 06:47:42 +0000
Commit:     Vladimir Kondratyev <w...@freebsd.org>
CommitDate: 2024-04-08 06:47:42 +0000

    LinuxKPI: Add strnchr function
    
    strnchr() finds a character in a length limited string.
    
    Sponsored by:   Serenity CyberSecurity, LLC
    Reviewed by:    emaste
    MFC after:      1 month
---
 sys/compat/linuxkpi/common/include/linux/string.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/string.h 
b/sys/compat/linuxkpi/common/include/linux/string.h
index f745c2f6d343..13c8fee602dd 100644
--- a/sys/compat/linuxkpi/common/include/linux/string.h
+++ b/sys/compat/linuxkpi/common/include/linux/string.h
@@ -214,6 +214,21 @@ strscpy_pad(char* dst, const char* src, size_t len)
        return (strscpy(dst, src, len));
 }
 
+static inline char *
+strnchr(const char *cp, size_t n, int ch)
+{
+       char *p;
+
+       for (p = __DECONST(char *, cp); n--; ++p) {
+               if (*p == ch)
+                       return (p);
+               if (*p == '\0')
+                       break;
+       }
+
+       return (NULL);
+}
+
 static inline void *
 memset32(uint32_t *b, uint32_t c, size_t len)
 {

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