GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/lib/libc/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;
+}