1// Copyright (C) 2016 and later: Unicode, Inc. and others. 2// License & terms of use: http://www.unicode.org/copyright.html 3/* 4******************************************************************************* 5* 6* Copyright (C) 1997-2006, International Business Machines 7* Corporation and others. All Rights Reserved. 8* 9******************************************************************************* 10* file name: ures_cnv.c 11* encoding: US-ASCII 12* tab size: 8 (not used) 13* indentation:4 14* 15* created on: 2004aug25 16* created by: Markus W. Scherer 17* 18* Character conversion functions moved here from uresbund.c 19*/ 20 21#include "unicode/utypes.h" 22#include "unicode/putil.h" 23#include "unicode/ustring.h" 24#include "unicode/ucnv.h" 25#include "unicode/ures.h" 26#include "uinvchar.h" 27#include "ustr_cnv.h" 28 29U_CAPI UResourceBundle * U_EXPORT2 30ures_openU(const UChar *myPath, 31 const char *localeID, 32 UErrorCode *status) 33{ 34 char pathBuffer[1024]; 35 int32_t length; 36 char *path = pathBuffer; 37 38 if(status==NULL || U_FAILURE(*status)) { 39 return NULL; 40 } 41 if(myPath==NULL) { 42 path = NULL; 43 } 44 else { 45 length=u_strlen(myPath); 46 if(length>=sizeof(pathBuffer)) { 47 *status=U_ILLEGAL_ARGUMENT_ERROR; 48 return NULL; 49 } else if(uprv_isInvariantUString(myPath, length)) { 50 /* 51 * the invariant converter is sufficient for package and tree names 52 * and is more efficient 53 */ 54 u_UCharsToChars(myPath, path, length+1); /* length+1 to include the NUL */ 55 } else { 56#if !UCONFIG_NO_CONVERSION 57 /* use the default converter to support variant-character paths */ 58 UConverter *cnv=u_getDefaultConverter(status); 59 length=ucnv_fromUChars(cnv, path, (int32_t)sizeof(pathBuffer), myPath, length, status); 60 u_releaseDefaultConverter(cnv); 61 if(U_FAILURE(*status)) { 62 return NULL; 63 } 64 if(length>=sizeof(pathBuffer)) { 65 /* not NUL-terminated - path too long */ 66 *status=U_ILLEGAL_ARGUMENT_ERROR; 67 return NULL; 68 } 69#else 70 /* the default converter is not available */ 71 *status=U_UNSUPPORTED_ERROR; 72 return NULL; 73#endif 74 } 75 } 76 77 return ures_open(path, localeID, status); 78} 79