1 files changed, 48 insertions, 0 deletions
diff --git a/roms/ipxe/src/include/ipxe/editstring.h b/roms/ipxe/src/include/ipxe/editstring.h
new file mode 100644
index 00000000..2ef546a6
--- /dev/null
+++ b/roms/ipxe/src/include/ipxe/editstring.h
@@ -0,0 +1,48 @@
+#ifndef _IPXE_EDITSTRING_H
+#define _IPXE_EDITSTRING_H
+
+/** @file
+ *
+ * Editable strings
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** An editable string */
+struct edit_string {
+	/** Buffer for string */
+	char *buf;
+	/** Size of buffer (including terminating NUL) */
+	size_t len;
+	/** Cursor position */
+	unsigned int cursor;
+
+	/* The following items are the edit history */
+
+	/** Last cursor position */
+	unsigned int last_cursor;
+	/** Start of modified portion of string */
+	unsigned int mod_start;
+	/** End of modified portion of string */
+	unsigned int mod_end;
+};
+
+/**
+ * Initialise editable string
+ *
+ * @v string		Editable string
+ * @v buf		Buffer for string
+ * @v len		Length of buffer
+ */
+static inline void init_editstring ( struct edit_string *string, char *buf,
+				     size_t len ) {
+	string->buf = buf;
+	string->len = len;
+}
+
+extern void replace_string ( struct edit_string *string,
+			     const char *replacement ) __nonnull;
+extern int edit_string ( struct edit_string *string, int key ) __nonnull;
+
+#endif /* _IPXE_EDITSTRING_H */