1 | /* |
2 | * Error reporting |
3 | * |
4 | * Copyright (C) 2010 Red Hat Inc. |
5 | * |
6 | * Authors: |
7 | * Markus Armbruster <armbru@redhat.com>, |
8 | * |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
10 | * See the COPYING file in the top-level directory. |
11 | */ |
12 | |
13 | #ifndef QEMU_ERROR_REPORT_H |
14 | #define QEMU_ERROR_REPORT_H |
15 | |
16 | typedef struct Location { |
17 | /* all members are private to qemu-error.c */ |
18 | enum { LOC_NONE, LOC_CMDLINE, LOC_FILE } kind; |
19 | int num; |
20 | const void *ptr; |
21 | struct Location *prev; |
22 | } Location; |
23 | |
24 | Location *loc_push_restore(Location *loc); |
25 | Location *loc_push_none(Location *loc); |
26 | Location *loc_pop(Location *loc); |
27 | Location *loc_save(Location *loc); |
28 | void loc_restore(Location *loc); |
29 | void loc_set_none(void); |
30 | void loc_set_cmdline(char **argv, int idx, int cnt); |
31 | void loc_set_file(const char *fname, int lno); |
32 | |
33 | int error_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); |
34 | int error_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
35 | int error_vprintf_unless_qmp(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); |
36 | int error_printf_unless_qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
37 | |
38 | void error_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); |
39 | void warn_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); |
40 | void info_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); |
41 | |
42 | void error_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
43 | void warn_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
44 | void info_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
45 | |
46 | bool error_report_once_cond(bool *printed, const char *fmt, ...) |
47 | GCC_FMT_ATTR(2, 3); |
48 | bool warn_report_once_cond(bool *printed, const char *fmt, ...) |
49 | GCC_FMT_ATTR(2, 3); |
50 | |
51 | void error_init(const char *argv0); |
52 | |
53 | /* |
54 | * Similar to error_report(), except it prints the message just once. |
55 | * Return true when it prints, false otherwise. |
56 | */ |
57 | #define error_report_once(fmt, ...) \ |
58 | ({ \ |
59 | static bool print_once_; \ |
60 | error_report_once_cond(&print_once_, \ |
61 | fmt, ##__VA_ARGS__); \ |
62 | }) |
63 | |
64 | /* |
65 | * Similar to warn_report(), except it prints the message just once. |
66 | * Return true when it prints, false otherwise. |
67 | */ |
68 | #define warn_report_once(fmt, ...) \ |
69 | ({ \ |
70 | static bool print_once_; \ |
71 | warn_report_once_cond(&print_once_, \ |
72 | fmt, ##__VA_ARGS__); \ |
73 | }) |
74 | |
75 | const char *error_get_progname(void); |
76 | extern bool enable_timestamp_msg; |
77 | |
78 | #endif |
79 | |