view mcabber/mcabber/utf8.h @ 1984:b0470ef8669b

XEP 184: don't send receipts to buddies that have no presence subscription In order to not leak our presence, do not send message delivery receipts to senders who are not authorized to view our presence. (XEP-0184, section 8)
author Mikael Berthe <mikael@lilotux.net>
date Sun, 27 Mar 2011 12:45:41 +0200
parents e6d355e50d7a
children
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#ifndef __MCABBER_UTF8_H__
#define __MCABBER_UTF8_H__ 1

#include <mcabber/config.h>

#if defined HAVE_UNICODE && defined HAVE_WCHAR_H && defined HAVE_WCTYPE_H
# define UNICODE
#endif

#ifdef HAVE_WCHAR_H
# include <wchar.h>
# define get_char_width(c) (utf8_mode ? wcwidth(get_char(c)) : 1)
#else
# define wcwidth(c) 1
# define get_char_width(c) 1
#endif

#ifdef HAVE_WCTYPE_H
# include <wctype.h>

/* The following bit is a hack for Solaris 8&9 systems that don't have
 * iswblank().
 * For now i made sure it comes after wctype.h so it doesn't create
 * problems (wctype.h has calls to iswblank() before wctype() is declared).
 * (Sebastian Kayser)
 */
# ifndef HAVE_ISWBLANK
#  define iswblank(wc) iswctype(wc, wctype("blank"))
# endif

#else
# define iswblank(c) (c == ' ')
# define iswalnum(c) isalnum(c)
# define iswprint(c) isprint(c)
# define towupper(c) toupper(c)
# define towlower(c) tolower(c)
# define iswalpha(c) isalpha(c)
#endif

extern int utf8_mode;

char *prev_char(char *str, const char *limit);
char *next_char(char *str);
unsigned get_char(const char *str);
char *put_char(char *str, unsigned c);

#endif /* __MCABBER_UTF8_H__ */

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