1 /*
2 *******************************************************************************
3 *
4 * Copyright (C) 2016 and later: Unicode, Inc. and others.
5 * License & terms of use: http://www.unicode.org/copyright.html#License
6 *
7 *******************************************************************************
8 *******************************************************************************
9 *
10 * Copyright (C) 1999-2006, International Business Machines
11 * Corporation and others. All Rights Reserved.
12 *
13 *******************************************************************************
14 * file name: writer.c
15 * encoding: US-ASCII
16 * tab size: 8 (not used)
17 * indentation:4
18 *
19 * created on: 2000sep5
20 * created by: Vladimir Weinstein
21 */
22
23 /******************************************************************************
24 * A program to write simple binary data readable by udata - example for
25 * ICU workshop
26 ******************************************************************************/
27
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #ifdef WIN32
32 #include <direct.h>
33 #else
34 #include <unistd.h>
35 #endif
36 #include "unicode/utypes.h"
37 #include "unicode/udata.h"
38
39 /* this is private - available only through toolutil */
40 #include "unewdata.h"
41
42 #define DATA_NAME "mypkg_example"
43 #define DATA_TYPE "dat"
44
45 /* UDataInfo cf. udata.h */
46 static const UDataInfo dataInfo={
47 sizeof(UDataInfo),
48 0,
49
50 U_IS_BIG_ENDIAN,
51 U_CHARSET_FAMILY,
52 sizeof(UChar),
53 0,
54
55 0x4D, 0x79, 0x44, 0x74, /* dataFormat="MyDt" */
56 1, 0, 0, 0, /* formatVersion */
57 1, 0, 0, 0 /* dataVersion */
58 };
59
60
61 /* Excersise: add writing out other data types */
62 /* see icu/source/tools/toolutil/unewdata.h */
63 /* for other possibilities */
64
65 extern int
main(int argc,const char * argv[])66 main(int argc, const char *argv[]) {
67 UNewDataMemory *pData;
68 UErrorCode errorCode=U_ZERO_ERROR;
69 char stringValue[]={'E', 'X', 'A', 'M', 'P', 'L', 'E', '\0'};
70 uint16_t intValue=2000;
71
72 long dataLength;
73 uint32_t size;
74 #ifdef WIN32
75 char *currdir = _getcwd(NULL, 0);
76 #else
77 char *currdir = getcwd(NULL, 0);
78 #endif
79
80 pData=udata_create(currdir, DATA_TYPE, DATA_NAME, &dataInfo,
81 U_COPYRIGHT_STRING, &errorCode);
82
83 if(currdir != NULL) {
84 free(currdir);
85 }
86
87
88 if(U_FAILURE(errorCode)) {
89 fprintf(stderr, "Error: unable to create data memory, error %d\n", errorCode);
90 exit(errorCode);
91 }
92
93 /* write the data to the file */
94 /* a 16 bit value and a String*/
95 printf("Writing uint16_t value of %d\n", intValue);
96 udata_write16(pData, intValue);
97 printf("Writing string value of %s\n", stringValue);
98 udata_writeString(pData, stringValue, sizeof(stringValue));
99
100 /* finish up */
101 dataLength=udata_finish(pData, &errorCode);
102 if(U_FAILURE(errorCode)) {
103 fprintf(stderr, "Error: error %d writing the output file\n", errorCode);
104 exit(errorCode);
105 }
106 size=sizeof(stringValue) + sizeof(intValue);
107
108
109 if(dataLength!=(long)size) {
110 fprintf(stderr, "Error: data length %ld != calculated size %lu\n", dataLength, size);
111 exit(U_INTERNAL_PROGRAM_ERROR);
112 }
113 return 0;
114 }
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