diff options
Diffstat (limited to 'wcsmbs/wchar.h')
| -rw-r--r-- | wcsmbs/wchar.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h index 1fe7e94d92..fe4ee80bff 100644 --- a/wcsmbs/wchar.h +++ b/wcsmbs/wchar.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1995-2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1995-2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -320,6 +320,22 @@ __END_NAMESPACE_C99 #ifdef __USE_EXTERN_INLINES /* Define inline function as optimization. */ + +/* We can use the BTOWC and WCTOB optimizations since we know that all + locales must use ASCII encoding for the values in the ASCII range + and because the wchar_t encoding is always ISO 10646. */ +extern wint_t __btowc_alias (int __c) __asm ("btowc"); +extern __inline wint_t +__NTH (btowc (int __c)) +{ return (__builtin_constant_p (__c) && __c >= '\0' && __c <= '\x7f' + ? (wint_t) __c : __btowc_alias (__c)); } + +extern int __wctob_alias (wint_t __c) __asm ("wctob"); +extern __inline int +__NTH (wctob (wint_t __wc)) +{ return (__builtin_constant_p (__wc) && __wc >= L'\0' && __wc <= L'\x7f' + ? (int) __wc : __wctob_alias (__wc)); } + extern __inline size_t __NTH (mbrlen (__const char *__restrict __s, size_t __n, mbstate_t *__restrict __ps)) |