The Tor Browser: intl/icu/source/common/ures

     1 /*

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

3 *

     4 *   Copyright (C) 1997-2006, International Business Machines

     5 *   Corporation and others.  All Rights Reserved.

6 *

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

     8 *   file name:  ures_cnv.c

     9 *   encoding:   US-ASCII

    10 *   tab size:   8 (not used)

    11 *   indentation:4

    12 *

    13 *   created on: 2004aug25

    14 *   created by: Markus W. Scherer

    15 *

    16 *   Character conversion functions moved here from uresbund.c

    17 */

    19 #include "unicode/utypes.h"

    20 #include "unicode/putil.h"

    21 #include "unicode/ustring.h"

    22 #include "unicode/ucnv.h"

    23 #include "unicode/ures.h"

    24 #include "uinvchar.h"

    25 #include "ustr_cnv.h"

    27 U_CAPI UResourceBundle * U_EXPORT2

    28 ures_openU(const UChar *myPath,

    29            const char *localeID,

    30            UErrorCode *status)

    31 {

    32     char pathBuffer[1024];

    33     int32_t length;

    34     char *path = pathBuffer;

    36     if(status==NULL || U_FAILURE(*status)) {

    37         return NULL;

    38     }

    39     if(myPath==NULL) {

    40         path = NULL;

    41     }

    42     else {

    43         length=u_strlen(myPath);

    44         if(length>=sizeof(pathBuffer)) {

    45             *status=U_ILLEGAL_ARGUMENT_ERROR;

    46             return NULL;

    47         } else if(uprv_isInvariantUString(myPath, length)) {

    48             /*

    49              * the invariant converter is sufficient for package and tree names

    50              * and is more efficient

    51              */

    52             u_UCharsToChars(myPath, path, length+1); /* length+1 to include the NUL */

    53         } else {

    54 #if !UCONFIG_NO_CONVERSION

    55             /* use the default converter to support variant-character paths */

    56             UConverter *cnv=u_getDefaultConverter(status);

    57             length=ucnv_fromUChars(cnv, path, (int32_t)sizeof(pathBuffer), myPath, length, status);

    58             u_releaseDefaultConverter(cnv);

    59             if(U_FAILURE(*status)) {

    60                 return NULL;

    61             }

    62             if(length>=sizeof(pathBuffer)) {

    63                 /* not NUL-terminated - path too long */

    64                 *status=U_ILLEGAL_ARGUMENT_ERROR;

    65                 return NULL;

    66             }

    67 #else

    68             /* the default converter is not available */

    69             *status=U_UNSUPPORTED_ERROR;

    70             return NULL;

    71 #endif

    72         }

    73     }

    75     return ures_open(path, localeID, status);

    76 }

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