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| author | Ulrich Drepper <drepper@redhat.com> | 2005-04-01 09:53:28 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-04-01 09:53:28 +0000 |
| commit | 91682d7038c0247ba1a52925b284fcb59756546e (patch) | |
| tree | 72a7a15deaab616cd30e97712f31479ac7a65bbd /wcsmbs/wchar.h | |
| parent | ee6189855aab3a9be8f3c2d95ce2b2cd17db4ec2 (diff) | |
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* sysdeps/ia64/fpu/libm_cpu_defs.h: Update copyright.cvs/fedora-glibc-20050401T1444
2005-04-01 Ulrich Drepper <drepper@redhat.com>
* wcsmbs/btowc.c (__btowc): Optimize parameters in ASCII range.
* wcsmbs/wctob.c (wctob): Likewise.
* wcsmbs/wchar.h (btowc): Add optimized inline function.
(wctob): Likewise.
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)) |