Fork TF-A's libc
Create a fork of "Trusted Firmware-A" libc to be used by
trusted-services SWd components.
URL: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git
SHA: f2735ebccf5173f74c0458736ec526276106097e
Paths: trusted-firmware-a/lib/libc and trusted-firmware-a/include/lib/libc
Signed-off-by: Gabor Ambrus <gabor.ambrus@arm.com>
Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I2f3b6cbf739265c4441fbba06ea6c9db339022c4
diff --git a/components/common/libc/src/memchr.c b/components/common/libc/src/memchr.c
new file mode 100644
index 0000000..66d7ba1
--- /dev/null
+++ b/components/common/libc/src/memchr.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+void *memchr(const void *src, int c, size_t len)
+{
+ const unsigned char *s = src;
+
+ while (len--) {
+ if (*s == (unsigned char)c)
+ return (void *) s;
+ s++;
+ }
+
+ return NULL;
+}