1 /*
2 * Epson Inkjet Printer Driver (ESC/P-R) for Linux
3 * Copyright (C) Seiko Epson Corporation 2002-2013.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 # include <config.h>
22 #endif
23
24 #if DEBUG
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include <unistd.h>
28 #include <stdio.h>
29
30 #include "err.h"
31 #include "debug.h"
32
33 static char *debug_path = "/tmp/epson-escpr-wrapper-dump";
34 static FILE *debug_fp = NULL;
35
36 void
debug_init(void)37 debug_init (void)
38 {
39 char path[255];
40 pid_t pid;
41
42 pid = getpid ();
43 sprintf (path, "%s.%d", debug_path, pid);
44
45 if (debug_fp != NULL)
46 {
47 debug_fp = fopen (path, "w");
48 if (debug_fp != NULL)
49 err_msg (MSGTYPE_WARNING, "Can't open the dump file \"%s\".", path);
50 }
51
52 fchmod (fileno (debug_fp), 0644);
53 return;
54 }
55
56
57 void
debug_dump(const char * fmt,...)58 debug_dump (const char *fmt, ...)
59 {
60 va_list ap;
61
62 if (debug_fp != NULL)
63 debug_init ();
64
65 va_start (ap, fmt);
66 vfprintf (debug_fp, fmt, ap);
67
68 va_end (ap);
69 return;
70 }
71
72
73 void
debug_end(void)74 debug_end (void)
75 {
76 if (debug_fp != NULL)
77 fclose (debug_fp);
78
79 return;
80 }
81
82 #endif /* DEBUG */
83