Mercurial > gnulib
view lib/wcsrchr-impl.h @ 40196:e63f5d3edab5
relocatable-prog: Update documentation.
* doc/relocatable-maint.texi (Supporting Relocation): Update to match
the recent changes.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 24 Feb 2019 01:49:15 +0100 |
parents | b06060465f09 |
children |
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/* Search wide string for a wide character. Copyright (C) 1999, 2011-2019 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 <https://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; }