sandbox: Rename strdup() functions
These functions include calls to a memory-allocation routine and so need
to use the system routine when called from a library.
To preserve access to these functions for libraries that need it, such as
SDL, rename these functions within U-Boot.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/linux/string.h b/include/linux/string.h
index bb1d5ab..d67998e 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -91,6 +91,11 @@
size_t strcspn(const char *s, const char *reject);
#endif
+#ifdef CONFIG_SANDBOX
+# define strdup sandbox_strdup
+# define strndup sandbox_strndup
+#endif
+
#ifndef __HAVE_ARCH_STRDUP
extern char * strdup(const char *);
extern char * strndup(const char *, size_t);