From 91ba8d02037cc27c7b44f1bfd492c42ccd0af042 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Mon, 24 May 2021 18:50:55 +0200
Subject: Added more tests and fixed dumb bugs

typical
---
 libs/libc/mem.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'libs/libc/mem.c')

diff --git a/libs/libc/mem.c b/libs/libc/mem.c
index 080c88d..27f0416 100644
--- a/libs/libc/mem.c
+++ b/libs/libc/mem.c
@@ -48,6 +48,18 @@ void *memset(void *dest, u32 val, u32 n)
 	return dest;
 }
 
+const void *memcchr(const void *src, char c, u32 n)
+{
+	const u8 *s = (const u8 *)src;
+
+	while (n-- > 0) {
+		if (*s == c)
+			return s;
+		s++;
+	}
+	return NULL;
+}
+
 void *memchr(void *src, char c, u32 n)
 {
 	u8 *s = (u8 *)src;
@@ -98,6 +110,14 @@ void *memset_user(void *dest, u32 val, u32 n)
 	return ret;
 }
 
+const void *memcchr_user(const void *src, char c, u32 n)
+{
+	stac();
+	const void *ret = memcchr(src, c, n);
+	clac();
+	return ret;
+}
+
 void *memchr_user(void *src, char c, u32 n)
 {
 	stac();
-- 
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