diff options
Diffstat (limited to 'readline/rlmbutil.h')
| -rw-r--r-- | readline/rlmbutil.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/readline/rlmbutil.h b/readline/rlmbutil.h index 9b8464a..dab954f 100644 --- a/readline/rlmbutil.h +++ b/readline/rlmbutil.h @@ -1,6 +1,6 @@ /* rlmbutil.h -- utility functions for multibyte characters. */ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2003 Free Software Foundation, Inc. This file is part of the GNU Readline Library, a library for reading lines of text with interactive input and history editing. @@ -30,27 +30,27 @@ /************************************************/ /* For platforms which support the ISO C amendement 1 functionality we - support user defined character classes. */ + support user defined character classes. + + Some platforms have the multibyte functions such as mbsrtowcs but + are lacking the multitype type mbstate_t. BeOS (unknown version) + and HP/UX 11.23 without _XOPEN_SOURCE=500 are like this. + + We really need mbstate_t type to operate properly. For example, see + compute_lcd_of_matches, where two mbstate_t's are active at the same + time. So we require both the functions and the mbstate_t type in + order to enable multibyte support. */ + /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */ #if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H) # include <wchar.h> # include <wctype.h> -# if defined (HAVE_MBRTOWC) && defined (HAVE_MBSRTOWCS) +# if defined (HAVE_MBSTATE_T) && defined (HAVE_MBSRTOWCS) /* system is supposed to support XPG5 */ # define HANDLE_MULTIBYTE 1 # endif #endif -/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t. */ -#if HANDLE_MULTIBYTE && !defined (HAVE_MBSTATE_T) -# define wcsrtombs(dest, src, len, ps) (wcsrtombs) (dest, src, len, 0) -# define mbsrtowcs(dest, src, len, ps) (mbsrtowcs) (dest, src, len, 0) -# define wcrtomb(s, wc, ps) (wcrtomb) (s, wc, 0) -# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0) -# define mbrlen(s, n, ps) (mbrlen) (s, n, 0) -# define mbstate_t int -#endif - /* Make sure MB_LEN_MAX is at least 16 on systems that claim to be able to handle multibyte chars (some systems define MB_LEN_MAX as 1) */ #ifdef HANDLE_MULTIBYTE |