diff options
Diffstat (limited to 'gnulib/lib/wcsspn-impl.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/wcsspn-impl.h | 47 |
2 files changed, 47 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/wcsspn-impl.h b/gnulib/lib/wcsspn-impl.h new file mode 100644 index 0000000..5d13b92 --- /dev/null +++ b/gnulib/lib/wcsspn-impl.h @@ -0,0 +1,47 @@ +/* Advance in a wide string, skipping any of a set of wide characters. + Copyright (C) 1999, 2011 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 1999. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +size_t +wcsspn (const wchar_t *wcs, const wchar_t *accept) +{ + /* Optimize two cases. */ + if (accept[0] == (wchar_t)'\0') + return 0; + + if (accept[1] == (wchar_t)'\0') + { + wchar_t wc = accept[0]; + const wchar_t *ptr = wcs; + for (; *ptr != (wchar_t)'\0'; ptr++) + { + if (*ptr != wc) + break; + } + return ptr - wcs; + } + + /* General case. */ + { + const wchar_t *ptr = wcs; + for (; *ptr != (wchar_t)'\0'; ptr++) + { + if (!wcschr (accept, *ptr)) + break; + } + return ptr - wcs; + } +} |