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/* Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: J.Wielemaker@vu.nl
WWW: http://www.swi-prolog.org
Copyright (c) 2000-2014, University of Amsterdam
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DTD_UTIL_H_INCLUDED
#define DTD_UTIL_H_INCLUDED
#include "sgmldefs.h"
#include <stdio.h>
#include <sys/types.h>
#include <wchar.h>
#ifdef _WINDOWS /* get size_t */
#include <malloc.h>
#endif
typedef struct
{ size_t allocated;
size_t size;
size_t limit;
int limit_reached;
ichar *data;
} icharbuf;
typedef struct
{ size_t allocated;
size_t size;
size_t limit;
int limit_reached;
union
{ wchar_t *w; /* UCS */
} data;
wchar_t localbuf[256]; /* Initial local store */
} ocharbuf;
size_t istrlen(const ichar *s);
ichar * istrdup(const ichar *s);
ichar * istrndup(const ichar *s, int len);
ichar * istrcpy(ichar *d, const ichar *s);
ichar * istrcat(ichar *d, const ichar *s);
ichar * istrncpy(ichar *d, const ichar *s, size_t len);
ichar * istrupper(ichar *s);
ichar * istrlower(ichar *s);
int istrprefix(const ichar *pref, const ichar *s);
int istreq(const ichar *s1, const ichar *s2);
int istrcaseeq(const ichar *s1, const ichar *s2);
int istrncaseeq(const ichar *s1, const ichar *s2, int len);
int istrhash(const ichar *t, int tsize);
int istrcasehash(const ichar *t, int tsize);
ichar * istrchr(const ichar *s, int c);
int istrtol(const ichar *s, long *val);
void * sgml_malloc(size_t size);
void * sgml_calloc(size_t n, size_t size);
void sgml_free(void *mem);
void * sgml_realloc(void *old, size_t size);
void sgml_nomem(void);
#define add_icharbuf(buf, chr) \
do { if ( buf->size < buf->allocated && chr < 128 ) \
buf->data[buf->size++] = chr; \
else \
__add_icharbuf(buf, chr); \
} while(0)
icharbuf * new_icharbuf(size_t limit);
void free_icharbuf(icharbuf *buf);
void __add_icharbuf(icharbuf *buf, int chr);
void del_icharbuf(icharbuf *buf);
void terminate_icharbuf(icharbuf *buf);
void empty_icharbuf(icharbuf *buf);
ocharbuf * init_ocharbuf(ocharbuf *buf, size_t limit);
ocharbuf * new_ocharbuf(size_t limit);
void discard_ocharbuf(ocharbuf *buf);
void free_ocharbuf(ocharbuf *buf);
ocharbuf * malloc_ocharbuf(ocharbuf *buf);
void add_ocharbuf(ocharbuf *buf, int chr);
void del_ocharbuf(ocharbuf *buf);
void terminate_ocharbuf(ocharbuf *buf);
void empty_ocharbuf(ocharbuf *buf);
#define fetch_ocharbuf(buf, at) ((wint_t)buf->data.w[at])
#define poke_ocharbuf(buf, at, chr) \
{ buf->data.w[at] = chr; \
}
void init_ring(void);
void stop_ring(void);
const wchar_t * str_summary(const wchar_t *s, int len);
wchar_t * str2ring(const wchar_t *in);
void * ringallo(size_t);
wchar_t * utf8towcs(const char *in);
char * wcstoutf8(const wchar_t *in);
ichar * load_sgml_file_to_charp(const ichar *file, int normalise_rsre,
size_t *len);
FILE * wfopen(const wchar_t *name, const char *mode);
#if defined(USE_STRING_FUNCTIONS) && !defined(UTIL_H_IMPLEMENTATION)
#define istrlen(s1) wcslen((s1))
#define istreq(s1,s2) (wcscmp((s1),(s2))==0)
#endif
#endif /*DTD_UTIL_H_INCLUDED*/
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