// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ********************************************************************** * Copyright (C) 1999-2015, International Business Machines * Corporation and others. All Rights Reserved. ********************************************************************** * file name: ustr_imp.h * encoding: UTF-8 * tab size: 8 (not used) * indentation:4 * * created on: 2001jan30 * created by: Markus W. Scherer */ #ifndef __USTR_IMP_H__ #define __USTR_IMP_H__ #include "unicode/utypes.h" /** * Internal option for unorm_cmpEquivFold() for strncmp style. * If set, checks for both string length and terminating NUL. */ #define _STRNCMP_STYLE 0x1000 /** * Compare two strings in code point order or code unit order. * Works in strcmp style (both lengths -1), * strncmp style (lengths equal and >=0, flag TRUE), * and memcmp/UnicodeString style (at least one length >=0). */ U_CFUNC int32_t U_EXPORT2 uprv_strCompare(const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, UBool strncmpStyle, UBool codePointOrder); U_CAPI int32_t U_EXPORT2 ustr_hashUCharsN(const UChar *str, int32_t length); U_CAPI int32_t U_EXPORT2 ustr_hashCharsN(const char *str, int32_t length); U_CAPI int32_t U_EXPORT2 ustr_hashICharsN(const char *str, int32_t length); /** * NUL-terminate a UChar * string if possible. * If length < destCapacity then NUL-terminate. * If length == destCapacity then do not terminate but set U_STRING_NOT_TERMINATED_WARNING. * If length > destCapacity then do not terminate but set U_BUFFER_OVERFLOW_ERROR. * * @param dest Destination buffer, can be NULL if destCapacity==0. * @param destCapacity Number of UChars available at dest. * @param length Number of UChars that were (to be) written to dest. * @param pErrorCode ICU error code. * @return length */ U_CAPI int32_t U_EXPORT2 u_terminateUChars(UChar *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); /** * NUL-terminate a char * string if possible. * Same as u_terminateUChars() but for a different string type. */ U_CAPI int32_t U_EXPORT2 u_terminateChars(char *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); /** * NUL-terminate a UChar32 * string if possible. * Same as u_terminateUChars() but for a different string type. */ U_CAPI int32_t U_EXPORT2 u_terminateUChar32s(UChar32 *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); /** * NUL-terminate a wchar_t * string if possible. * Same as u_terminateUChars() but for a different string type. */ U_CAPI int32_t U_EXPORT2 u_terminateWChars(wchar_t *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); #endif