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72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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* Copyright 2012 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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struct _jsstr_t {
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unsigned length_flags;
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unsigned ref;
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WCHAR str[1];
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};
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#define JSSTR_LENGTH_SHIFT 4
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#define JSSTR_MAX_LENGTH (1 << (32-JSSTR_LENGTH_SHIFT))
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#define JSSTR_FLAGS_MASK ((1 << JSSTR_LENGTH_SHIFT)-1)
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#define JSSTR_FLAG_NULLBSTR 1
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static inline unsigned jsstr_length(jsstr_t *str)
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{
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return str->length_flags >> JSSTR_LENGTH_SHIFT;
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}
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jsstr_t *jsstr_alloc_len(const WCHAR*,unsigned) DECLSPEC_HIDDEN;
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jsstr_t *jsstr_alloc_buf(unsigned) DECLSPEC_HIDDEN;
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static inline jsstr_t *jsstr_alloc(const WCHAR *str)
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{
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return jsstr_alloc_len(str, strlenW(str));
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}
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static inline void jsstr_release(jsstr_t *str)
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{
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if(!--str->ref)
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heap_free(str);
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}
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static inline jsstr_t *jsstr_addref(jsstr_t *str)
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{
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str->ref++;
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return str;
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}
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static inline BOOL jsstr_eq(jsstr_t *str1, jsstr_t *str2)
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{
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unsigned len = jsstr_length(str1);
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return len == jsstr_length(str2) && !memcmp(str1->str, str2->str, len*sizeof(WCHAR));
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}
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int jsstr_cmp(jsstr_t*,jsstr_t*) DECLSPEC_HIDDEN;
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jsstr_t *jsstr_concat(jsstr_t*,jsstr_t*) DECLSPEC_HIDDEN;
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jsstr_t *jsstr_nan(void) DECLSPEC_HIDDEN;
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jsstr_t *jsstr_empty(void) DECLSPEC_HIDDEN;
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BOOL init_strings(void) DECLSPEC_HIDDEN;
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void free_strings(void) DECLSPEC_HIDDEN;
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const char *debugstr_jsstr(jsstr_t*) DECLSPEC_HIDDEN;
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