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*/ 18 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" 26 27U_CAPI UResourceBundle * U_EXPORT2 28ures_openU(const UChar *myPath, 29 const char *localeID, 30 UErrorCode *status) 31{ 32 char pathBuffer[1024]; 33 int32_t length; 34 char *path = pathBuffer; 35 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 } 74 75 return ures_open(path, localeID, status); 76} 77