* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
* This file is part of the GNU C Library.
*
- * The GNU C Library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * The GNU C Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with the GNU C Library; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307 USA.
+ * SPDX-License-Identifier: LGPL-2.1+
*/
/*
* 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
-#define _SEARCH_H 1
+#ifndef _SEARCH_H_
+#define _SEARCH_H_
#include <stddef.h>
env_op_overwrite,
};
-/* Action which shall be performed in the call the hsearch. */
+/* Action which shall be performed in the call to hsearch. */
typedef enum {
FIND,
ENTER
/*
* Family of hash table handling functions. The functions also
* have reentrant counterparts ending with _r. The non-reentrant
- * functions all work on a signle internal hashing table.
+ * functions all work on a single internal hash table.
*/
/* Data type for reentrant functions. */
unsigned int filled;
/*
* Callback function which will check whether the given change for variable
- * "item" to "newval" may be applied or not, and possibly apply such change.
+ * "__item" to "newval" may be applied or not, and possibly apply such change.
* When (flag & H_FORCE) is set, it shall not print out any error message and
* shall force overwriting of write-once variables.
-.* Must return 0 for approval, 1 for denial.
+ * Must return 0 for approval, 1 for denial.
*/
int (*change_ok)(const ENTRY *__item, const char *newval, enum env_op,
int flag);
};
-/* Create a new hashing table which will at most contain NEL elements. */
+/* Create a new hash table which will contain at most "__nel" elements. */
extern int hcreate_r(size_t __nel, struct hsearch_data *__htab);
-/* Destroy current internal hashing table. */
+/* Destroy current internal hash table. */
extern void hdestroy_r(struct hsearch_data *__htab);
/*
- * Search for entry matching ITEM.key in internal hash table. If
+ * Search for entry matching __item.key in internal hash table. If
* ACTION is `FIND' return found entry or signal error by returning
* NULL. If ACTION is `ENTER' replace existing data (if any) with
- * ITEM.data.
+ * __item.data.
* */
extern int hsearch_r(ENTRY __item, ACTION __action, ENTRY ** __retval,
struct hsearch_data *__htab, int __flag);
/*
- * Search for an entry matching `MATCH'. Otherwise, Same semantics
+ * Search for an entry matching "__match". Otherwise, Same semantics
* as hsearch_r().
*/
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. */
+/* Search and delete entry matching "__key" in internal hash table. */
extern int hdelete_r(const char *__key, struct hsearch_data *__htab,
int __flag);
/*
* nvars: length of vars array
* vars: array of strings (variable names) to import (nvars == 0 means all)
- * do_apply: whether to call callback function to check the new argument,
- * and possibly apply changes (false means accept everything)
*/
extern int himport_r(struct hsearch_data *__htab,
const char *__env, size_t __size, const char __sep,
- int __flag, int nvars, char * const vars[]);
+ int __flag, int __crlf_is_lf, 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 *));
#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 '.' */
-
-#endif /* search.h */
+#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)
+#define H_PROGRAMMATIC (1 << 9) /* indicate that an import is from env_set() */
+#define H_ORIGIN_FLAGS (H_INTERACTIVE | H_PROGRAMMATIC)
+
+#endif /* _SEARCH_H_ */
projects / people / ms / u-boot.git / blobdiff