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Import of the watch repository from Pebble

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Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
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third_party/citrus/mo.h vendored Normal file
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/*-
* Copyright (c) 2000, 2001 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#pragma once
#include <inttypes.h>
#include <unistd.h>
#include "util/attributes.h"
/* ==============
* MO File Format *
* ==============
*
byte
+------------------------------------------+
0 | magic number = 0x950412de |
| |
4 | file format revision = 0 |
| |
8 | number of strings | == N
| |
12 | offset of table with original strings | == O
| |
16 | offset of table with translation strings | == T
| |
20 | size of hashing table | == S
| |
24 | offset of hashing table | == H
| |
. .
. (possibly more entries later) .
. .
| |
O | length & offset 0th string ----------------.
O + 8 | length & offset 1st string ------------------.
... ... | |
O + ((N-1)*8)| length & offset (N-1)th string | | |
| | | |
T | length & offset 0th translation ---------------.
T + 8 | length & offset 1st translation -----------------.
... ... | | | |
T + ((N-1)*8)| length & offset (N-1)th translation | | | | |
| | | | | |
H | start hash table | | | | |
... ... | | | |
H + S * 4 | end hash table | | | | |
| | | | | |
| NUL terminated 0th string <----------------' | | |
| | | | |
| NUL terminated 1st string <------------------' | |
| | | |
... ... | |
| | | |
| NUL terminated 0th translation <---------------' |
| | |
| NUL terminated 1st translation <-----------------'
| |
... ...
| |
+------------------------------------------+
*
*/
#define MO_MAGIC 0x950412de
#define MO_GET_REV_MAJOR(r) (((r) >> 16) & 0xFFFF)
#define MO_GET_REV_MINOR(r) ((r) & 0xFFFF)
#define MO_MAKE_REV(maj, min) (((maj) << 16) | (min))
#define LANG_PROP_NAME "Language: "
/* *.mo file format */
typedef struct PACKED {
uint32_t mo_magic; /* determines endian */
uint32_t mo_revision; /* file format revision: 0 */
uint32_t mo_nstring; /* N: number of strings */
uint32_t mo_otable; /* O: original text table offset */
uint32_t mo_ttable; /* T: translated text table offset */
uint32_t mo_hsize; /* S: size of hashing table */
uint32_t mo_hoffset; /* H: offset of hashing table */
} MoHeader;
typedef struct PACKED {
uint32_t len; /* strlen(str), so region will be len + 1 */
uint32_t off; /* offset of \0-terminated string */
} MoEntry;
typedef struct {
MoHeader hdr;
char *mo_lang;
uint32_t *mo_htable; /* H: hash table */
} Mo;
typedef struct {
size_t len;
Mo mo; /* endian-flipped mo file header */
} MoHandle;