| // © 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 |