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/**
* 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 <http://www.gnu.org/licenses/>.
*/
#include <string.h>
/**
* Performs an inplace bitwise XOR:ing of
* a memory segment. The pattern is 00101010.
*
* This is a GNU extension.
*
* @param segment The memory segment.
* @param size The size of the memory segment.
* @return `segment` is returned
*/
char* memfrob(char* segment, size_t size)
{
while (--size)
segment[size] ^= 0x2A;
return segment;
}
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