The Tor Browser: intl/icu/source/common/ucnvdisp.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2 ******************************************************************************

3 *

     4 *   Copyright (C) 1998-2004, International Business Machines

     5 *   Corporation and others.  All Rights Reserved.

6 *

     7 ******************************************************************************

8 *

     9 *  ucnvdisp.c:

    10 *  Implements APIs for the ICU's codeset conversion library display names.

    11 *

    12 * Modification History:

    13 *

    14 *   Date        Name        Description

    15 *   04/04/99    helena      Fixed internal header inclusion.

    16 *   05/09/00    helena      Added implementation to handle fallback mappings.

    17 *   06/20/2000  helena      OS/400 port changes; mostly typecast.

    18 *   09/08/2004  grhoten     split from ucnv.c

    19 */

    21 #include "unicode/utypes.h"

    23 #if !UCONFIG_NO_CONVERSION

    25 #include "unicode/ustring.h"

    26 #include "unicode/ures.h"

    27 #include "unicode/ucnv.h"

    28 #include "cstring.h"

    29 #include "ustr_imp.h"

    30 #include "ucnv_imp.h"

    31 #include "putilimp.h"

    33 U_CAPI int32_t U_EXPORT2

    34 ucnv_getDisplayName(const UConverter *cnv,

    35                     const char *displayLocale,

    36                     UChar *displayName, int32_t displayNameCapacity,

    37                     UErrorCode *pErrorCode) {

    38     UResourceBundle *rb;

    39     const UChar *name;

    40     int32_t length;

    41     UErrorCode localStatus = U_ZERO_ERROR;

    43     /* check arguments */

    44     if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {

    45         return 0;

    46     }

    48     if(cnv==NULL || displayNameCapacity<0 || (displayNameCapacity>0 && displayName==NULL)) {

    49         *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;

    50         return 0;

    51     }

    53     /* open the resource bundle and get the display name string */

    54     rb=ures_open(NULL, displayLocale, pErrorCode);

    55     if(U_FAILURE(*pErrorCode)) {

    56         return 0;

    57     }

    59     /* use the internal name as the key */

    60     name=ures_getStringByKey(rb, cnv->sharedData->staticData->name, &length, &localStatus);

    61     ures_close(rb);

    63     if(U_SUCCESS(localStatus)) {

    64         /* copy the string */

    65         if (*pErrorCode == U_ZERO_ERROR) {

    66             *pErrorCode = localStatus;

    67         }

    68         u_memcpy(displayName, name, uprv_min(length, displayNameCapacity)*U_SIZEOF_UCHAR);

    69     } else {

    70         /* convert the internal name into a Unicode string */

    71         length=(int32_t)uprv_strlen(cnv->sharedData->staticData->name);

    72         u_charsToUChars(cnv->sharedData->staticData->name, displayName, uprv_min(length, displayNameCapacity));

    73     }

    74     return u_terminateUChars(displayName, displayNameCapacity, length, pErrorCode);

    75 }

    77 #endif

    79 /*

    80  * Hey, Emacs, please set the following:

    81  *

    82  * Local Variables:

    83  * indent-tabs-mode: nil

    84  * End:

    85  *

    86  */

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