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sortix--sortix/libc/string/strlcat.cpp
Jonas 'Sortie' Termansen f1888f9e8b Add strlcat(3).
2013-12-17 14:30:40 +01:00

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1.3 KiB
C++

/*******************************************************************************
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 <http://www.gnu.org/licenses/>.
string/strlcat.cpp
Appends a string onto another string truncating if the string is too small.
*******************************************************************************/
#include <string.h>
extern "C"
size_t strlcat(char* restrict dest, const char* restrict src, size_t size)
{
size_t dest_len = strnlen(dest, size);
if ( size <= dest_len )
return dest_len;
strcpy(dest + strlen(dest), src);
return dest_len + strlcpy(dest + dest_len, src, size - dest_len);
}