set_data.c
1.08 KB
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2012 Georg Hopp
*
* 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 <sys/types.h>
#include <string.h>
#include <errno.h>
#include "tr/cbuf.h"
char *
TR_cbufSetData(TR_Cbuf this, const void * src, size_t n)
{
char * addr;
if (n > TR_cbufGetFree(this)) {
errno = TR_ECBUFOVFL;
return (char *)-1;
}
addr = memcpy(TR_cbufGetWrite(this), src, n);
TR_cbufIncWrite(this, n);
return addr;
}
// vim: set ts=4 sw=4: