/*
* 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
typedef struct entry {
const char *key;
char *data;
+ int (*callback)(const char *name, const char *value, enum env_op op,
+ int flags);
+ int flags;
} ENTRY;
/* Opaque type for internal use. */
*/
extern int hmatch_r(const char *__match, int __last_idx, ENTRY ** __retval,
struct hsearch_data *__htab);
-/*
- * Search for an entry whose key or data contains `MATCH'. Otherwise,
- * Same semantics as hsearch_r().
- */
-extern int hstrstr_r(const char *__match, int __last_idx, ENTRY ** __retval,
- struct hsearch_data *__htab);
/* Search and delete entry matching ITEM.key in internal hash table. */
extern int hdelete_r(const char *__key, struct hsearch_data *__htab,
const char *__env, size_t __size, const char __sep,
int __flag, int nvars, char * const vars[]);
+/* Walk the whole table calling the callback on each element */
+extern int hwalk_r(struct hsearch_data *__htab, int (*callback)(ENTRY *));
+
/* Flags for himport_r(), hexport_r(), hdelete_r(), and hsearch_r() */
#define H_NOCLEAR (1 << 0) /* do not clear hash table before importing */
#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_REGEX (1 << 8) /* search for regular expression matches */
+#define H_MATCH_METHOD (H_MATCH_IDENT | H_MATCH_SUBSTR | H_MATCH_REGEX)
#endif /* search.h */