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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2008 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* catopen intercept
* the ast catalogs are checked first
* the ast mc* and native cat* routines do all the work
* catalogs found by mcfind() are converted from utf to ucs
*
* nl_catd is cast to void*
* this is either an Mc_t* (Mc_t.set != 0)
* or a Cc_t* where Cc_t.cat is the native nl_catd
*/
#include <ast.h>
#include <mc.h>
#include <nl_types.h>
#include <iconv.h>
#ifndef DEBUG_trace
#define DEBUG_trace 0
#endif
#if _lib_catopen
#undef nl_catd
#undef catopen
#undef catgets
#undef catclose
typedef struct
{
Mcset_t* set;
nl_catd cat;
iconv_t cvt;
Sfio_t* tmp;
} Cc_t;
#else
#define _ast_nl_catd nl_catd
#define _ast_catopen catopen
#define _ast_catgets catgets
#define _ast_catclose catclose
#endif
_ast_nl_catd
_ast_catopen(const char* name, int flag)
{
Mc_t* mc;
char* s;
Sfio_t* ip;
char path[PATH_MAX];
/*
* first try the ast catalogs
*/
#if DEBUG_trace
sfprintf(sfstderr, "AHA#%d:%s %s\n", __LINE__, __FILE__, name);
#endif
if ((s = mcfind(path, NiL, name, LC_MESSAGES, flag)) && (ip = sfopen(NiL, s, "r")))
{
#if DEBUG_trace
sfprintf(sfstderr, "AHA#%d:%s %s\n", __LINE__, __FILE__, s);
#endif
mc = mcopen(ip);
sfclose(ip);
if (mc)
return (_ast_nl_catd)mc;
}
#if _lib_catopen
if (strcmp(setlocale(LC_MESSAGES, NiL), "debug"))
{
Cc_t* cc;
nl_catd d;
/*
* now the native catalogs
*/
if (s && (d = catopen(s, flag)) != (nl_catd)(-1) || !(s = 0) && (d = catopen(name, flag)) != (nl_catd)(-1))
{
if (!(cc = newof(0, Cc_t, 1, 0)))
{
catclose(d);
return (_ast_nl_catd)(-1);
}
cc->cat = d;
if ((s || *name == '/') && (ast.locale.set & (1<<AST_LC_MESSAGES)))
{
if ((cc->cvt = iconv_open("", "utf")) == (iconv_t)(-1) || !(cc->tmp = sfstropen()))
{
catclose(d);
return (_ast_nl_catd)(-1);
}
}
else
cc->cvt = (iconv_t)(-1);
#if DEBUG_trace
sfprintf(sfstderr, "AHA#%d:%s %s %s native %p\n", __LINE__, __FILE__, s, name, cc->cat);
#endif
return (_ast_nl_catd)cc;
}
}
#endif
/*
* loser
*/
return (_ast_nl_catd)(-1);
}
char*
_ast_catgets(_ast_nl_catd cat, int set, int num, const char* msg)
{
if (cat == (_ast_nl_catd)(-1))
return (char*)msg;
#if _lib_catopen
if (!((Cc_t*)cat)->set)
{
char* s;
size_t n;
msg = (char*)catgets(((Cc_t*)cat)->cat, set, num, msg);
if (((Cc_t*)cat)->cvt != (iconv_t)(-1))
{
s = (char*)msg;
n = strlen(s);
iconv_write(((Cc_t*)cat)->cvt, ((Cc_t*)cat)->tmp, &s, &n, NiL);
if (s = sfstruse(((Cc_t*)cat)->tmp))
return s;
}
return (char*)msg;
}
#endif
return mcget((Mc_t*)cat, set, num, msg);
}
int
_ast_catclose(_ast_nl_catd cat)
{
if (cat == (_ast_nl_catd)(-1))
return -1;
#if _lib_catopen
if (!((Cc_t*)cat)->set)
{
if (((Cc_t*)cat)->cvt != (iconv_t)(-1))
iconv_close(((Cc_t*)cat)->cvt);
if (((Cc_t*)cat)->tmp)
sfclose(((Cc_t*)cat)->tmp);
return catclose(((Cc_t*)cat)->cat);
}
#endif
return mcclose((Mc_t*)cat);
}
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