From 299f0c550a4c07818e2e113bf9b2f0dfba032faa Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 17 Nov 2015 06:10:56 +0100 Subject: add wcsset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- include/wchar.h | 13 +++++++++++++ src/wchar/wcsset.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) create mode 100644 src/wchar/wcsset.c diff --git a/include/wchar.h b/include/wchar.h index 280bd06..ec93d1b 100644 --- a/include/wchar.h +++ b/include/wchar.h @@ -179,6 +179,19 @@ wchar_t* wmemccpy(wchar_t* restrict, const wchar_t* restrict, wchar_t, size_t); wchar_t* wmemcmove(wchar_t*, const wchar_t*, wchar_t, size_t); #endif +/** + * Override a NUL character-terminated memory segment + * with a repeated wide character. + * + * This is a slibc extension added for completeness. + * + * @param str The beginning of the memory segment. + * @param c The wide character. + * @return `str` is returned. + */ +wchar_t* wcsset(wchar_t*, wchar_t) + __GCC_ONLY(__attribute__((__returns_nonnull__, __nonnull__))); + /** * Copy a memory segment to another, non-overlapping, segment, * stop when a NUL wide character is encountered. diff --git a/src/wchar/wcsset.c b/src/wchar/wcsset.c new file mode 100644 index 0000000..07639f4 --- /dev/null +++ b/src/wchar/wcsset.c @@ -0,0 +1,39 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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 . + */ +#include + + + +/** + * Override a NUL character-terminated memory segment + * with a repeated wide character. + * + * This is a slibc extension added for completeness. + * + * @param str The beginning of the memory segment. + * @param c The wide character. + * @return `str` is returned. + */ +wchar_t* wcsset(wchar_t* str, wchar_t c) +{ + wchar_t* r = str; + while (*str) + *str++ = c; + return r; +} + -- cgit v1.2.3-70-g09d2