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libintl_local.h revision 1.3 
      1 /*	$NetBSD: libintl_local.h,v 1.3 2000/10/31 16:02:52 itojun Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Citrus Project,
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 extern const char *__domainpath;
     30 extern const char *__domainname;
     31 
     32 #define MO_MAGIC		0x950412de
     33 #define MO_MAGIC_SWAPPED	0xde120495
     34 #define MO_REVISION		0
     35 
     36 #define GETTEXT_MMAP_MAX	(64 * 1024)	/*XXX*/
     37 
     38 #define DEFAULT_DOMAINNAME	"messages"
     39 
     40 /* *.mo file format */
     41 struct mo {
     42 	u_int32_t mo_magic;	/* determines endian */
     43 	u_int32_t mo_revision;	/* file format revision: 0 */
     44 	u_int32_t mo_nstring;	/* N: number of strings */
     45 	u_int32_t mo_otable;	/* O: original text table offset */
     46 	u_int32_t mo_ttable;	/* T: translated text table offset */
     47 	u_int32_t mo_hsize;	/* S: size of hashing table */
     48 	u_int32_t mo_hoffset;	/* H: offset of hashing table */
     49 } __attribute__((__packed__));
     50 
     51 struct moentry {
     52 	u_int32_t len;		/* strlen(str), so region will be len + 1 */
     53 	u_int32_t off;		/* offset of \0-terminated string */
     54 } __attribute__((__packed__));
     55 
     56 /* libintl internal data format */
     57 struct moentry_h {
     58 	size_t len;		/* strlen(str), so region will be len + 1 */
     59 	char *off;		/* offset of \0-terminated string */
     60 };
     61 
     62 struct mo_h {
     63 	u_int32_t mo_magic;	/* determines endian */
     64 	u_int32_t mo_revision;	/* file format revision: 0 */
     65 	u_int32_t mo_nstring;	/* N: number of strings */
     66 	struct moentry_h *mo_otable;	/* O: original text table offset */
     67 	struct moentry_h *mo_ttable;	/* T: translated text table offset */
     68 	const char *mo_header;
     69 	char *mo_charset;
     70 };
     71 
     72 struct mohandle {
     73 	char path[PATH_MAX];
     74 	void *addr;		/* mmap'ed region */
     75 	size_t len;
     76 	struct mo_h mo;		/* endian-flipped mo file header */
     77 };
     78