738 lines
14 KiB
Plaintext
738 lines
14 KiB
Plaintext
/* $NetBSD: yacc.y,v 1.9 2011/09/16 15:39:27 joerg Exp $ */
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%{
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/*-
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* Copyright (c)2003, 2006 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if !defined(lint)
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__RCSID("$NetBSD: yacc.y,v 1.9 2011/09/16 15:39:27 joerg Exp $");
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#endif /* not lint */
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#include <assert.h>
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#include <err.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <sys/types.h>
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#include "ldef.h"
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#ifndef __packed
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#define __packed
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#endif
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#include "citrus_namespace.h"
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#include "citrus_types.h"
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#include "citrus_mapper_std_file.h"
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#include "citrus_region.h"
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#include "citrus_db_factory.h"
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#include "citrus_db_hash.h"
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#include "citrus_lookup_factory.h"
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#include "citrus_pivot_factory.h"
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int debug = 0;
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static char *output = NULL;
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static void *table = NULL;
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static size_t table_size;
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static char *map_name;
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static int map_type;
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static u_int32_t dst_invalid, dst_ilseq, oob_mode, dst_unit_bits;
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static void (*putfunc)(void *, size_t, u_int32_t) = 0;
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static u_int32_t src_next;
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static u_int32_t done_flag = 0;
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#define DF_TYPE 0x00000001
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#define DF_NAME 0x00000002
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#define DF_SRC_ZONE 0x00000004
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#define DF_DST_INVALID 0x00000008
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#define DF_DST_ILSEQ 0x00000010
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#define DF_DST_UNIT_BITS 0x00000020
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#define DF_OOB_MODE 0x00000040
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static linear_zone_t rowcol[_CITRUS_MAPPER_STD_ROWCOL_MAX];
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static size_t rowcol_len = 0;
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static u_int32_t rowcol_bits = 0, rowcol_mask = 0;
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static void dump_file(void);
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static void setup_map(void);
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static void set_type(int);
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static void set_name(char *);
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static void set_src_zone(u_int32_t);
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static void set_dst_invalid(u_int32_t);
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static void set_dst_ilseq(u_int32_t);
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static void set_dst_unit_bits(u_int32_t);
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static void set_oob_mode(u_int32_t);
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static int check_src(u_int32_t, u_int32_t);
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static void store(const linear_zone_t *, u_int32_t, int);
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static void put8(void *, size_t, u_int32_t);
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static void put16(void *, size_t, u_int32_t);
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static void put32(void *, size_t, u_int32_t);
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static void set_range(u_int32_t, u_int32_t);
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static void set_src(linear_zone_t *, u_int32_t, u_int32_t);
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%}
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%union {
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u_int32_t i_value;
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char *s_value;
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linear_zone_t lz_value;
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}
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%token R_TYPE R_NAME R_SRC_ZONE R_DST_UNIT_BITS
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%token R_DST_INVALID R_DST_ILSEQ
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%token R_BEGIN_MAP R_END_MAP R_INVALID R_ROWCOL
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%token R_ILSEQ R_OOB_MODE
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%token R_LN
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%token <i_value> L_IMM
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%token <s_value> L_STRING
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%type <lz_value> src
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%type <i_value> dst types oob_mode_sel zone
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%%
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file : property mapping lns
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{ dump_file(); }
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property : /* empty */
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| property R_LN
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| property name
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| property type
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| property src_zone
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| property dst_invalid
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| property dst_ilseq
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| property dst_unit_bits
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| property oob_mode
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name : R_NAME L_STRING { set_name($2); $2 = NULL; }
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type : R_TYPE types { set_type($2); }
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types : R_ROWCOL { $$ = R_ROWCOL; }
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range : L_IMM '-' L_IMM { set_range($1, $3); }
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ranges : /* empty */
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| ranges range '/'
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src_zone : R_SRC_ZONE zone { set_src_zone($2); }
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zone : range {
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$$ = 32;
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}
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| range '/' range '/' ranges L_IMM {
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$$ = $6;
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}
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dst_invalid : R_DST_INVALID L_IMM { set_dst_invalid($2); }
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dst_ilseq : R_DST_ILSEQ L_IMM { set_dst_ilseq($2); }
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dst_unit_bits : R_DST_UNIT_BITS L_IMM { set_dst_unit_bits($2); }
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oob_mode : R_OOB_MODE oob_mode_sel { set_oob_mode($2); }
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oob_mode_sel : R_INVALID { $$ = _CITRUS_MAPPER_STD_OOB_NONIDENTICAL; }
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| R_ILSEQ { $$ = _CITRUS_MAPPER_STD_OOB_ILSEQ; }
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mapping : begin_map map_elems R_END_MAP
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begin_map : R_BEGIN_MAP lns { setup_map(); }
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map_elems : /* empty */
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| map_elems map_elem lns
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map_elem : src '=' dst
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{ store(&$1, $3, 0); }
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| src '=' L_IMM '-'
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{ store(&$1, $3, 1); }
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dst : L_IMM
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{
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$$ = $1;
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}
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| R_INVALID
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{
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$$ = dst_invalid;
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}
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| R_ILSEQ
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{
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$$ = dst_ilseq;
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}
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src : /* empty */
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{
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set_src(&$$, src_next, src_next);
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}
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| L_IMM
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{
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set_src(&$$, $1, $1);
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}
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| L_IMM '-' L_IMM
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{
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set_src(&$$, $1, $3);
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}
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| '-' L_IMM
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{
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set_src(&$$, src_next, $2);
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}
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lns : R_LN
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| lns R_LN
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%%
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static void
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warning(const char *s)
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{
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fprintf(stderr, "%s in %d\n", s, line_number);
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}
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int
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yyerror(const char *s)
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{
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warning(s);
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exit(1);
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}
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void
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put8(void *ptr, size_t ofs, u_int32_t val)
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{
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*((u_int8_t *)ptr + ofs) = val;
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}
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void
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put16(void *ptr, size_t ofs, u_int32_t val)
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{
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u_int16_t oval = htons(val);
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memcpy((u_int16_t *)ptr + ofs, &oval, 2);
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}
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void
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put32(void *ptr, size_t ofs, u_int32_t val)
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{
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u_int32_t oval = htonl(val);
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memcpy((u_int32_t *)ptr + ofs, &oval, 4);
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}
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static void
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alloc_table(void)
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{
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size_t i;
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u_int32_t val = 0;
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linear_zone_t *p;
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i = rowcol_len;
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p = &rowcol[--i];
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table_size = p->width;
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while (i > 0) {
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p = &rowcol[--i];
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table_size *= p->width;
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}
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table = (void *)malloc(table_size * dst_unit_bits / 8);
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if (table == NULL) {
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perror("malloc");
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exit(1);
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}
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switch (oob_mode) {
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case _CITRUS_MAPPER_STD_OOB_NONIDENTICAL:
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val = dst_invalid;
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break;
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case _CITRUS_MAPPER_STD_OOB_ILSEQ:
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val = dst_ilseq;
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break;
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default:
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_DIAGASSERT(0);
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}
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for (i = 0; i < table_size; i++)
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(*putfunc)(table, i, val);
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}
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static void
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setup_map(void)
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{
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if ((done_flag & DF_SRC_ZONE)==0) {
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fprintf(stderr, "SRC_ZONE is mandatory.\n");
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exit(1);
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}
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if ((done_flag & DF_DST_UNIT_BITS)==0) {
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fprintf(stderr, "DST_UNIT_BITS is mandatory.\n");
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exit(1);
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}
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if ((done_flag & DF_DST_INVALID) == 0)
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dst_invalid = 0xFFFFFFFF;
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if ((done_flag & DF_DST_ILSEQ) == 0)
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dst_ilseq = 0xFFFFFFFE;
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if ((done_flag & DF_OOB_MODE) == 0)
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oob_mode = _CITRUS_MAPPER_STD_OOB_NONIDENTICAL;
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alloc_table();
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}
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static void
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create_rowcol_info(struct _region *r)
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{
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void *ptr;
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size_t ofs, i, len;
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ofs = 0;
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ptr = malloc(_CITRUS_MAPPER_STD_ROWCOL_INFO_SIZE);
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if (ptr == NULL)
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err(EXIT_FAILURE, "malloc");
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put32(ptr, ofs, rowcol_bits); ofs++;
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put32(ptr, ofs, dst_invalid); ofs++;
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/* XXX: keep backward compatibility */
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switch (rowcol_len) {
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case 1:
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put32(ptr, ofs, 0); ofs++;
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put32(ptr, ofs, 0); ofs++;
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/*FALLTHROUGH*/
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case 2:
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len = 0;
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break;
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default:
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len = rowcol_len;
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}
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for (i = 0; i < rowcol_len; ++i) {
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put32(ptr, ofs, rowcol[i].begin); ofs++;
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put32(ptr, ofs, rowcol[i].end); ofs++;
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}
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put32(ptr, ofs, dst_unit_bits); ofs++;
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put32(ptr, ofs, len); ofs++;
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_region_init(r, ptr, ofs * 4);
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}
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static void
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create_rowcol_ext_ilseq_info(struct _region *r)
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{
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void *ptr;
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size_t ofs;
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ofs = 0;
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ptr = malloc(_CITRUS_MAPPER_STD_ROWCOL_EXT_ILSEQ_SIZE);
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if (ptr==NULL)
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err(EXIT_FAILURE, "malloc");
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put32(ptr, ofs, oob_mode); ofs++;
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put32(ptr, ofs, dst_ilseq); ofs++;
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_region_init(r, ptr, _CITRUS_MAPPER_STD_ROWCOL_EXT_ILSEQ_SIZE);
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}
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#define CHKERR(ret, func, a) \
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do { \
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ret = func a; \
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if (ret) \
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errx(EXIT_FAILURE, "%s: %s", #func, strerror(ret)); \
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} while (/*CONSTCOND*/0)
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static void
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dump_file(void)
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{
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FILE *fp;
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int ret;
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struct _db_factory *df;
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struct _region data;
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void *serialized;
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size_t size;
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/*
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* build database
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*/
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CHKERR(ret, _db_factory_create, (&df, _db_hash_std, NULL));
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/* store type */
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CHKERR(ret, _db_factory_addstr_by_s,
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(df, _CITRUS_MAPPER_STD_SYM_TYPE,
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_CITRUS_MAPPER_STD_TYPE_ROWCOL));
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/* store info */
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create_rowcol_info(&data);
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CHKERR(ret, _db_factory_add_by_s,
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(df, _CITRUS_MAPPER_STD_SYM_INFO, &data, 1));
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/* ilseq extension */
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create_rowcol_ext_ilseq_info(&data);
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CHKERR(ret, _db_factory_add_by_s,
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(df, _CITRUS_MAPPER_STD_SYM_ROWCOL_EXT_ILSEQ, &data, 1));
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/* store table */
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_region_init(&data, table, table_size*dst_unit_bits/8);
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CHKERR(ret, _db_factory_add_by_s,
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(df, _CITRUS_MAPPER_STD_SYM_TABLE, &data, 1));
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/*
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* dump database to file
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*/
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if (output)
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fp = fopen(output, "wb");
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else
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fp = stdout;
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if (fp == NULL) {
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perror("fopen");
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exit(1);
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}
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/* dump database body */
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size = _db_factory_calc_size(df);
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serialized = malloc(size);
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_region_init(&data, serialized, size);
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CHKERR(ret, _db_factory_serialize,
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(df, _CITRUS_MAPPER_STD_MAGIC, &data));
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if (fwrite(serialized, size, 1, fp) != 1)
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err(EXIT_FAILURE, "fwrite");
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fclose(fp);
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}
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static void
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/*ARGSUSED*/
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set_type(int type)
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{
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if (done_flag & DF_TYPE) {
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warning("TYPE is duplicated. ignored this one");
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return;
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}
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map_type = type;
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done_flag |= DF_TYPE;
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}
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static void
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/*ARGSUSED*/
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set_name(char *str)
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{
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if (done_flag & DF_NAME) {
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warning("NAME is duplicated. ignored this one");
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return;
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}
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map_name = str;
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done_flag |= DF_NAME;
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}
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static void
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set_src_zone(u_int32_t val)
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{
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size_t i;
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linear_zone_t *p;
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if (done_flag & DF_SRC_ZONE) {
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warning("SRC_ZONE is duplicated. ignored this one");
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return;
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}
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rowcol_bits = val;
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|
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/* sanity check */
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switch (rowcol_bits) {
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case 8: case 16: case 32:
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if (rowcol_len <= 32 / rowcol_bits)
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break;
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/*FALLTHROUGH*/
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default:
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goto bad;
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}
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rowcol_mask = 1 << (rowcol_bits - 1);
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rowcol_mask |= rowcol_mask - 1;
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for (i = 0; i < rowcol_len; ++i) {
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p = &rowcol[i];
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_DIAGASSERT(p->begin <= p->end);
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if (p->end > rowcol_mask)
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goto bad;
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}
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done_flag |= DF_SRC_ZONE;
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return;
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bad:
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yyerror("Illegal argument for SRC_ZONE");
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}
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static void
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set_dst_invalid(u_int32_t val)
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{
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|
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if (done_flag & DF_DST_INVALID) {
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warning("DST_INVALID is duplicated. ignored this one");
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return;
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}
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dst_invalid = val;
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done_flag |= DF_DST_INVALID;
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}
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static void
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set_dst_ilseq(u_int32_t val)
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{
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|
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if (done_flag & DF_DST_ILSEQ) {
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warning("DST_ILSEQ is duplicated. ignored this one");
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return;
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}
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dst_ilseq = val;
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done_flag |= DF_DST_ILSEQ;
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}
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static void
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set_oob_mode(u_int32_t val)
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{
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|
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if (done_flag & DF_OOB_MODE) {
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warning("OOB_MODE is duplicated. ignored this one");
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return;
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}
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oob_mode = val;
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done_flag |= DF_OOB_MODE;
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}
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static void
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set_dst_unit_bits(u_int32_t val)
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{
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|
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if (done_flag & DF_DST_UNIT_BITS) {
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warning("DST_UNIT_BITS is duplicated. ignored this one");
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return;
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}
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switch (val) {
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case 8:
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putfunc = &put8;
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dst_unit_bits = val;
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break;
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case 16:
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putfunc = &put16;
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dst_unit_bits = val;
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break;
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case 32:
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putfunc = &put32;
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dst_unit_bits = val;
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break;
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default:
|
|
yyerror("Illegal argument for DST_UNIT_BITS");
|
|
}
|
|
done_flag |= DF_DST_UNIT_BITS;
|
|
}
|
|
static int
|
|
check_src(u_int32_t begin, u_int32_t end)
|
|
{
|
|
size_t i;
|
|
linear_zone_t *p;
|
|
u_int32_t m, n;
|
|
|
|
if (begin > end)
|
|
return 1;
|
|
if (begin < end) {
|
|
m = begin & ~rowcol_mask;
|
|
n = end & ~rowcol_mask;
|
|
if (m != n)
|
|
return 1;
|
|
}
|
|
for (i = rowcol_len * rowcol_bits, p = &rowcol[0]; i > 0; ++p) {
|
|
i -= rowcol_bits;
|
|
m = (begin >> i) & rowcol_mask;
|
|
if (m < p->begin || m > p->end)
|
|
return 1;
|
|
}
|
|
if (begin < end) {
|
|
n = end & rowcol_mask;
|
|
_DIAGASSERT(p > rowcol);
|
|
--p;
|
|
if (n < p->begin || n > p->end)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
static void
|
|
store(const linear_zone_t *lz, u_int32_t dst, int inc)
|
|
{
|
|
size_t i, ofs;
|
|
linear_zone_t *p;
|
|
u_int32_t n;
|
|
|
|
ofs = 0;
|
|
for (i = rowcol_len * rowcol_bits, p = &rowcol[0]; i > 0; ++p) {
|
|
i -= rowcol_bits;
|
|
n = ((lz->begin >> i) & rowcol_mask) - p->begin;
|
|
ofs = (ofs * p->width) + n;
|
|
}
|
|
n = lz->width;
|
|
while (n-- > 0) {
|
|
(*putfunc)(table, ofs++, dst);
|
|
if (inc)
|
|
dst++;
|
|
}
|
|
}
|
|
static void
|
|
set_range(u_int32_t begin, u_int32_t end)
|
|
{
|
|
linear_zone_t *p;
|
|
|
|
if (rowcol_len >= _CITRUS_MAPPER_STD_ROWCOL_MAX)
|
|
goto bad;
|
|
p = &rowcol[rowcol_len++];
|
|
|
|
if (begin > end)
|
|
goto bad;
|
|
p->begin = begin, p->end = end;
|
|
p->width = end - begin + 1;
|
|
|
|
return;
|
|
|
|
bad:
|
|
yyerror("Illegal argument for SRC_ZONE");
|
|
}
|
|
static void
|
|
set_src(linear_zone_t *lz, u_int32_t begin, u_int32_t end)
|
|
{
|
|
_DIAGASSERT(lz != NULL);
|
|
|
|
if (check_src(begin, end) != 0)
|
|
yyerror("illegal zone");
|
|
|
|
lz->begin = begin, lz->end = end;
|
|
lz->width = end - begin + 1;
|
|
|
|
src_next = end + 1;
|
|
}
|
|
|
|
static void
|
|
do_mkdb(FILE *in)
|
|
{
|
|
int ret;
|
|
FILE *out;
|
|
|
|
/* dump DB to file */
|
|
if (output)
|
|
out = fopen(output, "wb");
|
|
else
|
|
out = stdout;
|
|
|
|
if (out==NULL)
|
|
err(EXIT_FAILURE, "fopen");
|
|
|
|
ret = _lookup_factory_convert(out, in);
|
|
fclose(out);
|
|
if (ret && output)
|
|
unlink(output); /* dump failure */
|
|
}
|
|
|
|
static void
|
|
do_mkpv(FILE *in)
|
|
{
|
|
int ret;
|
|
FILE *out;
|
|
|
|
/* dump pivot to file */
|
|
if (output)
|
|
out = fopen(output, "wb");
|
|
else
|
|
out = stdout;
|
|
|
|
if (out==NULL)
|
|
err(EXIT_FAILURE, "fopen");
|
|
|
|
ret = _pivot_factory_convert(out, in);
|
|
fclose(out);
|
|
if (ret && output)
|
|
unlink(output); /* dump failure */
|
|
if (ret)
|
|
errx(EXIT_FAILURE, "%s\n", strerror(ret));
|
|
}
|
|
|
|
__dead static void
|
|
usage(void)
|
|
{
|
|
warnx("usage: \n"
|
|
"\t%s [-d] [-o outfile] [infile]\n"
|
|
"\t%s -m [-d] [-o outfile] [infile]\n"
|
|
"\t%s -p [-d] [-o outfile] [infile]\n",
|
|
getprogname(), getprogname(), getprogname());
|
|
exit(1);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int ch;
|
|
extern char *optarg;
|
|
extern int optind;
|
|
FILE *in = NULL;
|
|
int mkdb = 0, mkpv = 0;
|
|
|
|
while ((ch=getopt(argc, argv, "do:mp")) != EOF) {
|
|
switch (ch) {
|
|
case 'd':
|
|
debug=1;
|
|
break;
|
|
case 'o':
|
|
output = strdup(optarg);
|
|
break;
|
|
case 'm':
|
|
mkdb = 1;
|
|
break;
|
|
case 'p':
|
|
mkpv = 1;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
|
|
argc-=optind;
|
|
argv+=optind;
|
|
switch (argc) {
|
|
case 0:
|
|
in = stdin;
|
|
break;
|
|
case 1:
|
|
in = fopen(argv[0], "r");
|
|
if (!in)
|
|
err(EXIT_FAILURE, "%s", argv[0]);
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
if (mkdb)
|
|
do_mkdb(in);
|
|
else if (mkpv)
|
|
do_mkpv(in);
|
|
else {
|
|
yyin = in;
|
|
yyparse();
|
|
}
|
|
|
|
return (0);
|
|
}
|