Re: [PATCH] uml: Replace all non-returning strlcpy with strscpy

From: Richard Weinberger
Date: Wed May 31 2023 - 02:26:34 EST

----- Ursprüngliche Mail -----
>> Ah, yeah, this is another "not actually in the kernel" cases. Let's ignore this
>> strlcpy for now.
> Well, strlcpy() isn't part of libc either, so all this would need is to
> add it to user.h just like strlcpy() is now?

I think so.
Azeem, can you please test your changes with this fixup applied?

diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index bda66e5a9d4e3..e5d3fbbafe4d2 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -52,6 +52,7 @@ static inline int printk(const char *fmt, ...)
extern int in_aton(char *str);
extern size_t strlcpy(char *, const char *, size_t);
extern size_t strlcat(char *, const char *, size_t);
+extern ssize_t strscpy(char *, const char *, size_t);

/* Copied from linux/compiler-gcc.h since we can't include it directly */
#define barrier() __asm__ __volatile__("": : :"memory")