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-rw-r--r--include/search.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/search.h b/include/search.h
index 13d3be6291..9d9abd6403 100644
--- a/include/search.h
+++ b/include/search.h
@@ -22,7 +22,7 @@
/*
* Based on code from uClibc-0.9.30.3
* Extensions for use within U-Boot
- * Copyright (C) 2010 Wolfgang Denk <wd@denx.de>
+ * Copyright (C) 2010-2013 Wolfgang Denk <wd@denx.de>
*/
#ifndef _SEARCH_H
@@ -131,5 +131,11 @@ extern int hwalk_r(struct hsearch_data *__htab, int (*callback)(ENTRY *));
#define H_FORCE (1 << 1) /* overwrite read-only/write-once variables */
#define H_INTERACTIVE (1 << 2) /* indicate that an import is user directed */
#define H_HIDE_DOT (1 << 3) /* don't print env vars that begin with '.' */
+#define H_MATCH_KEY (1 << 4) /* search/grep key = variable names */
+#define H_MATCH_DATA (1 << 5) /* search/grep data = variable values */
+#define H_MATCH_BOTH (H_MATCH_KEY | H_MATCH_DATA) /* search/grep both */
+#define H_MATCH_IDENT (1 << 6) /* search for indentical strings */
+#define H_MATCH_SUBSTR (1 << 7) /* search for substring matches */
+#define H_MATCH_METHOD (H_MATCH_IDENT | H_MATCH_SUBSTR)
#endif /* search.h */