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sortix--sortix/libc/string/strlcpy.cpp
Jonas 'Sortie' Termansen b0cbf9d0ea Fix strlcpy(3) and strlcat(3) being horribly broken.
Found by musl's libc-test.

This is just embarrassing.
2014-08-23 21:04:03 +02:00

37 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
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/>.
string/strlcpy.cpp
Copies a string and truncates it if the destination is too small.
*******************************************************************************/
#include <string.h>
extern "C"
size_t strlcpy(char* restrict dest, const char* restrict src, size_t size)
{
if ( !size )
return strlen(src);
size_t result;
for ( result = 0; result < size-1 && src[result]; result++ )
dest[result] = src[result];
dest[result] = '\0';
return result + strlen(src + result);
}