diff --git a/libc/Makefile b/libc/Makefile index 488f460b..e41fff60 100644 --- a/libc/Makefile +++ b/libc/Makefile @@ -199,6 +199,7 @@ wchar/wcstol.o \ wchar/wcstoull.o \ wchar/wcstoul.o \ wchar/wcsxfrm.o \ +wchar/wmemchr.o \ wchar/wmemcmp.o \ wctype/wctype.o \ diff --git a/libc/include/wchar.h b/libc/include/wchar.h index 2f2ac21b..feae8546 100644 --- a/libc/include/wchar.h +++ b/libc/include/wchar.h @@ -87,6 +87,7 @@ long wcstol(const wchar_t* __restrict, wchar_t** __restrict, int); unsigned long long wcstoull(const wchar_t* __restrict, wchar_t** __restrict, int); unsigned long wcstoul(const wchar_t* __restrict, wchar_t** __restrict, int); size_t wcsxfrm(wchar_t* __restrict, const wchar_t* __restrict, size_t); +wchar_t* wmemchr(const wchar_t*, wchar_t, size_t); int wmemcmp(const wchar_t*, const wchar_t*, size_t); /* TODO: These are not implemented in sortix libc yet. */ @@ -115,7 +116,6 @@ int wscanf(const wchar_t* __restrict, ...); long double wcstold(const wchar_t* __restrict, wchar_t** __restrict); size_t wcsftime(wchar_t* __restrict, size_t, const wchar_t* __restrict, const struct tm* __restrict); wchar_t* fgetws(wchar_t* __restrict, int, FILE* __restrict); -wchar_t* wmemchr(const wchar_t*, wchar_t, size_t); wchar_t* wmemcpy(wchar_t* __restrict, const wchar_t* __restrict, size_t); wchar_t* wmemmove(wchar_t*, const wchar_t*, size_t); wchar_t* wmemset(wchar_t*, wchar_t, size_t); diff --git a/libc/wchar/wmemchr.cpp b/libc/wchar/wmemchr.cpp new file mode 100644 index 00000000..93ebef86 --- /dev/null +++ b/libc/wchar/wmemchr.cpp @@ -0,0 +1,33 @@ +/******************************************************************************* + + Copyright(C) Jonas 'Sortie' Termansen 2013. + + This file is part of the Sortix C Library. + + The Sortix 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 3 of the License, or (at your + option) any later version. + + The Sortix 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 Sortix C Library. If not, see . + + wchar/wmemchr.cpp + Scans memory for a wide character. + +*******************************************************************************/ + +#include + +extern "C" wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n) +{ + for ( size_t i = 0; i < n; i++ ) + if ( s[i] == c ) + return (wchar_t*) s + i; + return NULL; +}