Split out is_printable_string() into util.c
This useful function is split out so it will be available to programs
other than ftdump.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: David Gibson <[email protected]>
diff --git a/util.h b/util.h
index 9cead84..cc68933 100644
--- a/util.h
+++ b/util.h
@@ -1,6 +1,8 @@
#ifndef _UTIL_H
#define _UTIL_H
+#include <stdarg.h>
+
/*
* Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc.
*
@@ -53,4 +55,13 @@
extern char *xstrdup(const char *s);
extern char *join_path(const char *path, const char *name);
+/**
+ * Check a string of a given length to see if it is all printable and
+ * has a valid terminator.
+ *
+ * @param data The string to check
+ * @param len The string length including terminator
+ * @return 1 if a valid printable string, 0 if not */
+int util_is_printable_string(const void *data, int len);
+
#endif /* _UTIL_H */
