diff options
Diffstat (limited to 'wcsmbs/wcsnlen.c')
-rw-r--r-- | wcsmbs/wcsnlen.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/wcsmbs/wcsnlen.c b/wcsmbs/wcsnlen.c new file mode 100644 index 0000000000..5264a66d05 --- /dev/null +++ b/wcsmbs/wcsnlen.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1998 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <wchar.h> + + +/* Copy SRC to DEST. */ +size_t +__wcsnlen (s, maxlen) + const wchar_t *s; + size_t maxlen; +{ + size_t len = 0; + + while (s[len] != L'\0' && maxlen > 0) + { + if (s[++len] == L'\0' || --maxlen == 0) + return len; + if (s[++len] == L'\0' || --maxlen == 0) + return len; + if (s[++len] == L'\0' || --maxlen == 0) + return len; + ++len; + } + + return len; +} +weak_alias (__wcsnlen, wcsnlen) |