diff options
Diffstat (limited to 'REORG.TODO/wcsmbs/wcsnlen.c')
| -rw-r--r-- | REORG.TODO/wcsmbs/wcsnlen.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/REORG.TODO/wcsmbs/wcsnlen.c b/REORG.TODO/wcsmbs/wcsnlen.c new file mode 100644 index 0000000000..21bb6db0c7 --- /dev/null +++ b/REORG.TODO/wcsmbs/wcsnlen.c @@ -0,0 +1,50 @@ +/* Copyright (C) 1998-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <wchar.h> + +#ifdef WCSNLEN +# define __wcsnlen WCSNLEN +#endif + +/* Return length of string S at most maxlen. */ +size_t +__wcsnlen (const wchar_t *s, size_t maxlen) +{ + size_t len = 0; + + while (maxlen > 0 && s[len] != L'\0') + { + ++len; + if (--maxlen == 0 || s[len] == L'\0') + return len; + ++len; + if (--maxlen == 0 || s[len] == L'\0') + return len; + ++len; + if (--maxlen == 0 || s[len] == L'\0') + return len; + ++len; + --maxlen; + } + + return len; +} +#ifndef WCSNLEN +weak_alias (__wcsnlen, wcsnlen) +#endif |