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 <stdarg.h>
25 #include <stdbool.h>
26 #include <stdint.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30
31 #include "bitblt.h"
32 #include "pdf_util.h"
33
34
pdf_fatal(char * fmt,...)35 void pdf_fatal (char *fmt, ...)
36 {
37 va_list ap;
38
39 va_start (ap, fmt);
40 vfprintf (stderr, fmt, ap);
41 va_end (ap);
42
43 exit (2);
44 }
45
46
pdf_calloc(size_t nmemb,size_t size)47 void *pdf_calloc (size_t nmemb, size_t size)
48 {
49 void *m = calloc (nmemb, size);
50 if (! m)
51 pdf_fatal ("failed to allocate memory\n");
52 return (m);
53 }
54
55
pdf_strdup(char * s)56 char *pdf_strdup (char *s)
57 {
58 unsigned long len = strlen (s);
59 char *s2 = pdf_calloc (1, len + 1);
60 strcpy (s2, s);
61 return (s2);
62 }
63