FM / udata

/usr/share/doc/libicu-devel/samples/udata/

/usr/share/doc/libicu-devel/samples/udata

Name	Size	Mode	Actions
Makefile	1942	0644	edit dl rm
reader.c	3213	0644	edit dl rm
reader.vcxproj	9816	0644	edit dl rm
reader.vcxproj.filters	879	0644	edit dl rm
readme.txt	2723	0644	edit dl rm
udata.sln	1942	0644	edit dl rm
writer.c	3175	0644	edit dl rm
writer.vcxproj	9275	0644	edit dl rm
writer.vcxproj.filters	879	0644	edit dl rm

Edit: /usr/share/doc/libicu-devel/samples/udata/reader.c (3213B)

/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *
 *******************************************************************************
 *******************************************************************************
 *
 *   Copyright (C) 1999-2009, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  reader.c
 *   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 2000sep5
 *   created by: Vladimir Weinstein
 */

/*******************************************************************************
 * Derived from Madhu Katragadda gentest
 *******************************************************************************/

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef WIN32
#include <direct.h>
#else
#include <unistd.h>
#endif
#include "unicode/utypes.h"
#include "unicode/putil.h"
#include "unicode/udata.h"

#define DATA_NAME "mypkg_example"
#define DATA_TYPE "dat"

/* UDataInfo cf. udata.h */
static const UDataInfo dataInfo={
    sizeof(UDataInfo),
    0,

U_IS_BIG_ENDIAN,
    U_CHARSET_FAMILY,
    sizeof(UChar),
    0,

0x4D, 0x79, 0x44, 0x74,     /* dataFormat="MyDt" */
    1, 0, 0, 0,                 /* formatVersion */
    1, 0, 0, 0                  /* dataVersion */
};

static UBool
isAcceptable(void *context, 
             const char *type, const char *name,
             const UDataInfo *pInfo){

if( pInfo->size>=20 &&
        pInfo->isBigEndian==U_IS_BIG_ENDIAN &&
        pInfo->charsetFamily==U_CHARSET_FAMILY &&
        pInfo->dataFormat[0]==0x4D &&   /* dataFormat="MyDt" */
        pInfo->dataFormat[1]==0x79 &&
        pInfo->dataFormat[2]==0x44 &&
        pInfo->dataFormat[3]==0x74 &&
        pInfo->formatVersion[0]==1 &&
        pInfo->dataVersion[0]==1   ) {
        return TRUE;
    } else {
        return FALSE;
    }

}

extern int
main(int argc, const char *argv[]) {
    UDataMemory *result = NULL;
    UErrorCode status=U_ZERO_ERROR;

uint16_t intValue = 0;

char *string = NULL;
    uint16_t *intPointer = NULL;

const void *dataMemory = NULL;
    char curPathBuffer[1024];
 
#ifdef WIN32
    char *currdir = _getcwd(NULL, 0);
#else
    char *currdir = getcwd(NULL, 0);
#endif

/* need to put  "current/dir" as path */
    strcpy(curPathBuffer, currdir);

result=udata_openChoice(curPathBuffer, DATA_TYPE, DATA_NAME, isAcceptable, NULL, &status);

if(currdir != NULL) {
        free(currdir);
    }

if(U_FAILURE(status)){
        printf("Failed to open data file example.dat in %s with error number %d\n", curPathBuffer, status);
        return -1;
    }

dataMemory = udata_getMemory(result);

intPointer = (uint16_t *)dataMemory;

printf("Read value %d from data file\n", *intPointer);

string = (char *) (intPointer+1);

printf("Read string %s from data file\n", string);

if(U_SUCCESS(status)){
        udata_close(result);
    }

return 0;
}

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