diff options
Diffstat (limited to 'REORG.TODO/wcsmbs/wcsspn.c')
-rw-r--r-- | REORG.TODO/wcsmbs/wcsspn.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/REORG.TODO/wcsmbs/wcsspn.c b/REORG.TODO/wcsmbs/wcsspn.c new file mode 100644 index 0000000000..8d911bb23a --- /dev/null +++ b/REORG.TODO/wcsmbs/wcsspn.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1995-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. + + 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 WCSSPN +# define wcsspn WCSSPN +#endif + +/* Return the length of the maximum initial segment + of WCS which contains only wide-characters in ACCEPT. */ +size_t +wcsspn (const wchar_t *wcs, const wchar_t *accept) +{ + const wchar_t *p; + const wchar_t *a; + size_t count = 0; + + for (p = wcs; *p != L'\0'; ++p) + { + for (a = accept; *a != L'\0'; ++a) + if (*p == *a) + break; + if (*a == L'\0') + return count; + else + ++count; + } + + return count; +} +libc_hidden_def (wcsspn) |