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/*
* fhist - file history and comparison tools
* Copyright (C) 2000, 2002, 2008 Peter Miller
*
* 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 <input/private.h>
#include <mem.h>
input_ty *
input_new(input_vtbl_ty *vptr)
{
input_ty *result;
result = mem_alloc(vptr->size);
result->vptr = vptr;
result->pushback_buf = 0;
result->pushback_len = 0;
result->pushback_max = 0;
return result;
}
long
input_generic_read(input_ty *fp, void *data_v, long len)
{
char *data;
long result;
int c;
data = data_v;
for (result = 0; result < len; ++result)
{
c = fp->vptr->get(fp);
if (c < 0)
break;
*data++ = c;
}
return result;
}
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