1 /*
2  * tumble: build a PDF file from image files
3  *
4  * PDF routines
5  * Copyright 2001, 2002, 2003, 2017 Eric Smith <spacewar@gmail.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.  Note that permission is
10  * not granted to redistribute this program under the terms of any
11  * other version of the General Public License.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
21  */
22 
23 
24 #include <assert.h>
25 
26 
27 void pdf_fatal (char *fmt, ...) __attribute__ ((noreturn));
28 
29 void *pdf_calloc (size_t nmemb, size_t size);
30 
31 char *pdf_strdup (char *s);
32 
33 #if 1
34 #define pdf_assert(cond) assert(cond)
35 #else
36 #define pdf_assert(cond) do \
37     { \
38       if (! (cond)) \
39         pdf_fatal ("assert at %s(%d)\n", __FILE__, __LINE__); \
40     } while (0)
41 #endif
42