diff options
Diffstat (limited to 'gnulib/lib/wcsrchr-impl.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/wcsrchr-impl.h | 33 |
2 files changed, 33 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/wcsrchr-impl.h b/gnulib/lib/wcsrchr-impl.h new file mode 100644 index 0000000..db3ba06 --- /dev/null +++ b/gnulib/lib/wcsrchr-impl.h @@ -0,0 +1,33 @@ +/* Search wide string for a wide character. + 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/>. */ + +wchar_t * +wcsrchr (const wchar_t *wcs, wchar_t wc) +{ + /* Calling wcslen and then searching from the other end would cause more + memory accesses. Avoid that, at the cost of a few more comparisons. */ + wchar_t *result = NULL; + + for (;; wcs++) + { + if (*wcs == wc) + result = (wchar_t *) wcs; + if (*wcs == (wchar_t)'\0') + break; + } + return result; +} |