icuSources/samples/cal/uprint.c

   1 /*
   2 ***********************************************************************
   3 * © 2016 and later: Unicode, Inc. and others.
   4 * License & terms of use: http://www.unicode.org/copyright.html#License
   5 ***********************************************************************
   6 **********************************************************************
   7 * Copyright (C) 1998-2001, International Business Machines Corporation
   8 * and others.  All Rights Reserved.
   9 **********************************************************************
  10 *
  11 * File date.c
  12 *
  13 * Modification History:
  14 *
  15 *   Date        Name        Description
  16 *   06/14/99    stephen     Creation.
  17 *******************************************************************************
  18 */
  19
  20 #include "uprint.h"
  21 #include "unicode/ucnv.h"
  22 #include "unicode/ustring.h"
  23
  24 #define BUF_SIZE 128
  25
  26 /* Print a ustring to the specified FILE* in the default codepage */
  27 void
  28 uprint(const UChar *s,
  29        FILE *f,
  30        UErrorCode *status)
  31 {
  32   /* converter */
  33   UConverter *converter;
  34   char buf [BUF_SIZE];
  35   int32_t sourceLen;
  36   const UChar *mySource;
  37   const UChar *mySourceEnd;
  38   char *myTarget;
  39   int32_t arraySize;
  40
  41   if(s == 0) return;
  42
  43   /* set up the conversion parameters */
  44   sourceLen    = u_strlen(s);
  45   mySource     = s;
  46   mySourceEnd  = mySource + sourceLen;
  47   myTarget     = buf;
  48   arraySize    = BUF_SIZE;
  49
  50   /* open a default converter */
  51   converter = ucnv_open(0, status);
  52
  53   /* if we failed, clean up and exit */
  54   if(U_FAILURE(*status)) goto finish;
  55
  56   /* perform the conversion */
  57   do {
  58     /* reset the error code */
  59     *status = U_ZERO_ERROR;
  60
  61     /* perform the conversion */
  62     ucnv_fromUnicode(converter, &myTarget, myTarget + arraySize,
  63              &mySource, mySourceEnd, NULL,
  64              TRUE, status);
  65
  66     /* Write the converted data to the FILE* */
  67     fwrite(buf, sizeof(char), myTarget - buf, f);
  68
  69     /* update the conversion parameters*/
  70     myTarget     = buf;
  71     arraySize    = BUF_SIZE;
  72   }
  73   while(*status == U_BUFFER_OVERFLOW_ERROR);
  74
  75  finish:
  76
  77   /* close the converter */
  78   ucnv_close(converter);
  79 }