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sortix--sortix/libc/strchrnul.cpp
2013-12-17 14:30:24 +01:00

33 lines
1.2 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 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 <http://www.gnu.org/licenses/>.
strchrnul.cpp
Searches a string for a specific character.
*******************************************************************************/
#include <string.h>
extern "C" char* strchrnul(const char* str, int uc)
{
const unsigned char* ustr = (const unsigned char*) str;
for ( size_t i = 0; true; i++)
if ( ustr[i] == uc || !ustr[i] )
return (char*) str + i;
}