From bd1ad65704d44e3e06a587a890e8087bfd9abe3b Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 3 Apr 2021 18:32:07 +0200
Subject: Added strnlen for buffer overflow prevention

---
 libs/libc/inc/str.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libs/libc/inc')

diff --git a/libs/libc/inc/str.h b/libs/libc/inc/str.h
index b00750b..542e586 100644
--- a/libs/libc/inc/str.h
+++ b/libs/libc/inc/str.h
@@ -6,6 +6,7 @@
 #include <def.h>
 
 u32 strlen(const char *s) NONNULL;
+u32 strnlen(const char *s, u32 max) NONNULL;
 u32 strlcpy(char *dst, const char *src, u32 size) NONNULL;
 char *strchr(char *s, char c) NONNULL;
 char *strrchr(char *s, char c) NONNULL;
@@ -18,6 +19,7 @@ char *strdup(const char *s) NONNULL;
 #ifdef KERNEL
 
 u32 strlen_user(const char *s) NONNULL;
+u32 strnlen_user(const char *s, u32 max) NONNULL;
 u32 strlcpy_user(char *dst, const char *src, u32 size) NONNULL;
 char *strchr_user(char *s, char c) NONNULL;
 char *strrchr_user(char *s, char c) NONNULL;
-- 
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