upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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122 lines
4.0 KiB
122 lines
4.0 KiB
/*
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* Declarations for System V style searching functions.
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* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
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* This file is part of the GNU C Library.
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*
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* The GNU C Library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* The GNU C Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the GNU C Library; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA.
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*/
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/*
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* Based on code from uClibc-0.9.30.3
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* Extensions for use within U-Boot
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* Copyright (C) 2010 Wolfgang Denk <wd@denx.de>
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*/
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#ifndef _SEARCH_H
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#define _SEARCH_H 1
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#include <stddef.h>
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#define __set_errno(val) do { errno = val; } while (0)
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/* Action which shall be performed in the call the hsearch. */
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typedef enum {
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FIND,
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ENTER
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} ACTION;
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typedef struct entry {
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const char *key;
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char *data;
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} ENTRY;
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/* Opaque type for internal use. */
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struct _ENTRY;
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/*
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* Family of hash table handling functions. The functions also
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* have reentrant counterparts ending with _r. The non-reentrant
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* functions all work on a signle internal hashing table.
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*/
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/* Data type for reentrant functions. */
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struct hsearch_data {
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struct _ENTRY *table;
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unsigned int size;
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unsigned int filled;
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/*
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* Callback function which will check whether the given change for variable
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* "name" from "oldval" to "newval" may be applied or not, and possibly apply
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* such change.
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* When (flag & H_FORCE) is set, it shall not print out any error message and
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* shall force overwriting of write-once variables.
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.* Must return 0 for approval, 1 for denial.
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*/
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int (*apply)(const char *name, const char *oldval,
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const char *newval, int flag);
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};
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/* Create a new hashing table which will at most contain NEL elements. */
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extern int hcreate_r(size_t __nel, struct hsearch_data *__htab);
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/* Destroy current internal hashing table. */
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extern void hdestroy_r(struct hsearch_data *__htab, int do_apply);
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/*
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* Search for entry matching ITEM.key in internal hash table. If
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* ACTION is `FIND' return found entry or signal error by returning
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* NULL. If ACTION is `ENTER' replace existing data (if any) with
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* ITEM.data.
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* */
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extern int hsearch_r(ENTRY __item, ACTION __action, ENTRY ** __retval,
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struct hsearch_data *__htab);
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/*
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* Search for an entry matching `MATCH'. Otherwise, Same semantics
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* as hsearch_r().
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*/
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extern int hmatch_r(const char *__match, int __last_idx, ENTRY ** __retval,
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struct hsearch_data *__htab);
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/*
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* Search for an entry whose key or data contains `MATCH'. Otherwise,
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* Same semantics as hsearch_r().
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*/
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extern int hstrstr_r(const char *__match, int __last_idx, ENTRY ** __retval,
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struct hsearch_data *__htab);
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/* Search and delete entry matching ITEM.key in internal hash table. */
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extern int hdelete_r(const char *__key, struct hsearch_data *__htab,
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int do_apply);
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extern ssize_t hexport_r(struct hsearch_data *__htab,
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const char __sep, char **__resp, size_t __size,
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int argc, char * const argv[]);
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/*
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* nvars: length of vars array
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* vars: array of strings (variable names) to import (nvars == 0 means all)
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* do_apply: whether to call callback function to check the new argument,
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* and possibly apply changes (false means accept everything)
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*/
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extern int himport_r(struct hsearch_data *__htab,
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const char *__env, size_t __size, const char __sep,
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int __flag, int nvars, char * const vars[], int do_apply);
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/* Flags for himport_r() */
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#define H_NOCLEAR (1 << 0) /* do not clear hash table before importing */
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#define H_FORCE (1 << 1) /* overwrite read-only/write-once variables */
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#endif /* search.h */
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