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