3ed82d7010
* include/mes/lib-mini.h: Move from include/libmes-mini.h. Update users. * include/mes/lib.h: Move from include/libmes.h. Update users.
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes 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.
|
|
*
|
|
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <mes/lib.h>
|
|
#include <stdio.h>
|
|
|
|
int
|
|
_fungetc_p (FILE *stream)
|
|
{
|
|
return _fdungetc_p ((int)stream);
|
|
}
|
|
|
|
size_t
|
|
fread (void *data, size_t size, size_t count, FILE *stream)
|
|
{
|
|
if (! size || !count)
|
|
return 0;
|
|
|
|
size_t todo = size * count;
|
|
char *buf = (char*)data;
|
|
|
|
int bytes = 0;
|
|
while (_fungetc_p (stream) && todo-- && ++bytes)
|
|
*buf++ = fgetc (stream);
|
|
if (todo)
|
|
{
|
|
int r = read ((int)stream, buf, todo);
|
|
if (r < 0 && !bytes)
|
|
bytes = r;
|
|
else
|
|
bytes += r;
|
|
}
|
|
|
|
if (__mes_debug ())
|
|
{
|
|
eputs ("fread fd="); eputs (itoa ((int)stream));
|
|
eputs (" bytes="); eputs (itoa (bytes)); eputs ("\n");
|
|
static char buf[4096];
|
|
if (bytes > 0 && bytes < sizeof (buf))
|
|
{
|
|
strncpy (buf, data, bytes);
|
|
buf[bytes] = 0;
|
|
eputs ("fread buf="); eputs (buf); eputs ("\n");
|
|
}
|
|
}
|
|
|
|
if (bytes > 0)
|
|
return bytes/size;
|
|
|
|
return 0;
|
|
}
|