1#ifndef ERROR_H
2#define ERROR_H
3/*
4 * Create a squashfs filesystem.  This is a highly compressed read only
5 * filesystem.
6 *
7 * Copyright (c) 2012, 2013, 2014
8 * Phillip Lougher <phillip@squashfs.org.uk>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2,
13 * or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 * error.h
25 */
26
27extern int exit_on_error;
28
29extern void prep_exit();
30extern void progressbar_error(char *fmt, ...);
31extern void progressbar_info(char *fmt, ...);
32
33#ifdef SQUASHFS_TRACE
34#define TRACE(s, args...) \
35		do { \
36			progressbar_info("squashfs: "s, ## args);\
37		} while(0)
38#else
39#define TRACE(s, args...)
40#endif
41
42#define INFO(s, args...) \
43		do {\
44			 if(!silent)\
45				progressbar_info(s, ## args);\
46		} while(0)
47
48#define ERROR(s, args...) \
49		do {\
50			progressbar_error(s, ## args); \
51		} while(0)
52
53#define ERROR_START(s, args...) \
54		do { \
55			disable_progress_bar(); \
56			fprintf(stderr, s, ## args); \
57		} while(0)
58
59#define ERROR_EXIT(s, args...) \
60		do {\
61			if (exit_on_error) { \
62				fprintf(stderr, "\n"); \
63				EXIT_MKSQUASHFS(); \
64			} else { \
65				fprintf(stderr, s, ## args); \
66				enable_progress_bar(); \
67			} \
68		} while(0)
69
70#define EXIT_MKSQUASHFS() \
71		do {\
72			prep_exit();\
73			exit(1);\
74		} while(0)
75
76#define BAD_ERROR(s, args...) \
77		do {\
78			progressbar_error("FATAL ERROR:" s, ##args); \
79			EXIT_MKSQUASHFS();\
80		} while(0)
81
82#define EXIT_UNSQUASH(s, args...) BAD_ERROR(s, ##args)
83
84#define MEM_ERROR() \
85	do {\
86		progressbar_error("FATAL ERROR: Out of memory (%s)\n", \
87								__func__); \
88		EXIT_MKSQUASHFS();\
89	} while(0)
90#endif
91