mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 05:50:17 +00:00
37f2fe7472
New syntax: env export [-t | -b | -c] [-s size] addr [var ...] With this change it is possible to provide a list of variables names that shall be exported. Whenno arguments are given, the whole environment gets exported. NOTE: The new handling of the "size" argument means a change to the user API. Signed-off-by: Wolfgang Denk <wd@denx.de>
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*
|
|
* Declarations for System V style searching functions.
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Based on code from uClibc-0.9.30.3
|
|
* Extensions for use within U-Boot
|
|
* Copyright (C) 2010 Wolfgang Denk <wd@denx.de>
|
|
*/
|
|
|
|
#ifndef _SEARCH_H
|
|
#define _SEARCH_H 1
|
|
|
|
#include <stddef.h>
|
|
|
|
#define __set_errno(val) do { errno = val; } while (0)
|
|
|
|
/* Action which shall be performed in the call the hsearch. */
|
|
typedef enum {
|
|
FIND,
|
|
ENTER
|
|
} ACTION;
|
|
|
|
typedef struct entry {
|
|
const char *key;
|
|
char *data;
|
|
} ENTRY;
|
|
|
|
/* Opaque type for internal use. */
|
|
struct _ENTRY;
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
/* Data type for reentrant functions. */
|
|
struct hsearch_data {
|
|
struct _ENTRY *table;
|
|
unsigned int size;
|
|
unsigned int filled;
|
|
};
|
|
|
|
/* Create a new hashing table which will at most contain NEL elements. */
|
|
extern int hcreate_r(size_t __nel, struct hsearch_data *__htab);
|
|
|
|
/* Destroy current internal hashing table. */
|
|
extern void hdestroy_r(struct hsearch_data *__htab);
|
|
|
|
/*
|
|
* 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.
|
|
* */
|
|
extern int hsearch_r(ENTRY __item, ACTION __action, ENTRY ** __retval,
|
|
struct hsearch_data *__htab);
|
|
|
|
/*
|
|
* 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. */
|
|
extern int hdelete_r(const char *__key, struct hsearch_data *__htab);
|
|
|
|
extern ssize_t hexport_r(struct hsearch_data *__htab,
|
|
const char __sep, char **__resp, size_t __size,
|
|
int argc, char * const argv[]);
|
|
|
|
extern int himport_r(struct hsearch_data *__htab,
|
|
const char *__env, size_t __size, const char __sep,
|
|
int __flag);
|
|
|
|
/* Flags for himport_r() */
|
|
#define H_NOCLEAR 1 /* do not clear hash table before importing */
|
|
|
|
#endif /* search.h */
|