/**

***     UTF-8/EBCDIC wrappers to system and C library procedures.

***

***     See Copyright for the status of this software.

***

***     Author: Patrick Monnerat <pm@datasphere.ch>, DATASPHERE S.A.

**/

#include <sys/types.h>

#include <sys/socket.h>

#include <arpa/inet.h>

#include <stdlib.h>

#include <dlfcn.h>

#include <netdb.h>

#include <errno.h>

#include "config.h"

#include "libxml/xmlmemory.h"

#include "transcode.h"

static const char *     lxdles = NULL;

int

_lx_getaddrinfo(const char * node, const char * service,

        const struct addrinfo * hints, struct addrinfo * * res)

{

        xmlDictPtr d = NULL;

        int i;

        i = getaddrinfo(xmlTranscodeResult(node, NULL, &d, NULL),

            xmlTranscodeResult(service, NULL, &d, NULL), hints, res);

        xmlZapDict(&d);

        return i;

}

const char *

_lx_inet_ntop(int af, const void * src, char * dst, socklen_t size)

{

        const char * cp1 = inet_ntop(af, src, dst, size);

        char const * cp2;

        int i;

        if (!cp1)

                return cp1;

        if (!(cp2 = xmlTranscodeString(cp1, NULL, NULL)))

                return cp2;

        i = strlen(cp2);

        if (i >= size) {

                xmlFree((char *) cp2);

                errno = ENOSPC;

                return (const char *) NULL;

                }

        memcpy(dst, cp2, i + 1);

        xmlFree((char *) cp2);

        return dst;

}

void *

_lx_dlopen(const char * filename, int flag)

{

        xmlDictPtr d = NULL;

        void * result;

        result = dlopen(xmlTranscodeResult(filename, NULL, &d, NULL), flag);

        xmlZapDict(&d);

        return result;

}

void *

_lx_dlsym(void * handle, const char * symbol)

{

        xmlDictPtr d = NULL;

        void * result;

        result = dlsym(handle, xmlTranscodeResult(symbol, NULL, &d, NULL));

        xmlZapDict(&d);

        return result;

}

char *

_lx_dlerror(void)

{

        char * cp1 = (char *) dlerror();

        if (!cp1)

                return cp1;

        if (lxdles)

                xmlFree((char *) lxdles);

        lxdles = (const char *) xmlTranscodeString(cp1, NULL, NULL);

        return (char *) lxdles;

}

#ifdef HAVE_ZLIB_H

#include <zlib.h>

gzFile

_lx_gzopen(const char * path, const char * mode)

{

        xmlDictPtr d = NULL;

        gzFile f;

        f = gzopen(xmlTranscodeResult(path, NULL, &d, NULL),

            xmlTranscodeResult(mode, NULL, &d, NULL));

        xmlZapDict(&d);

        return f;

}

gzFile

_lx_gzdopen(int fd, const char * mode)

{

        xmlDictPtr d = NULL;

        gzFile f;

        f = gzdopen(fd, xmlTranscodeResult(mode, NULL, &d, NULL));

        xmlZapDict(&d);

        return f;

}

int

_lx_inflateInit2_(z_streamp strm, int windowBits,

                                        const char * version, int stream_size)

{

        xmlDictPtr d = NULL;

        int r;

        r = inflateInit2_(strm, windowBits,

            xmlTranscodeResult(version, NULL, &d, NULL), stream_size);

        xmlZapDict(&d);

        return r;

}

int

_lx_deflateInit2_(z_streamp strm, int level, int method, int windowBits,

        int memLevel, int strategy, const char * version, int stream_size)

{

        xmlDictPtr d = NULL;

        int r;

        r = deflateInit2_(strm, level, method, windowBits, memLevel, strategy,

            xmlTranscodeResult(version, NULL, &d, NULL), stream_size);

        xmlZapDict(&d);

        return r;

}

#endif