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/* reading tools for dvi-files
$Copyright (C) 2002 Erich Fruehstueck
Dvipost 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 2 of the License, or (at your option) any later version.
Dvipost 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 dvipost; see the file COPYING.
If not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#include "dvipost.h"
#include "dvi.h"
#include <stdarg.h>
DviFile *df_init (DviFile *df, const char *name, FILE *file)
{
static DviFile buf;
if (df == NULL) df = &buf;
memset(df, 0, sizeof(*df));
df->name = name;
df->file = file;
df->ok = 1;
df->pos = 0;
df->last_page = -1;
df->depth = 0;
df->mdepth = 0;
df->npages = 0;
return df;
}
void df_fatal (DviFile *df, const char *fmt, ...)
{
va_list list;
fprintf(stderr, "%s: %s:%d: ", pname, df->name, df->pos);
va_start(list, fmt);
vfprintf(stderr, fmt, list);
va_end(list);
putc('\n', stderr);
df->ok = 0;
}
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