| 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) G_GNUC_PRINTF(1, 0); |
| 34 | int error_printf(const char *fmt, ...) G_GNUC_PRINTF(1, 2); |
| 35 | |
| 36 | void error_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0); |
| 37 | void warn_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0); |
| 38 | void info_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0); |
| 39 | |
| 40 | void error_report(const char *fmt, ...) G_GNUC_PRINTF(1, 2); |
| 41 | void warn_report(const char *fmt, ...) G_GNUC_PRINTF(1, 2); |
| 42 | void info_report(const char *fmt, ...) G_GNUC_PRINTF(1, 2); |
| 43 | |
| 44 | bool error_report_once_cond(bool *printed, const char *fmt, ...) |
| 45 | G_GNUC_PRINTF(2, 3); |
| 46 | bool warn_report_once_cond(bool *printed, const char *fmt, ...) |
| 47 | G_GNUC_PRINTF(2, 3); |
| 48 | |
| 49 | void error_init(const char *argv0); |
| 50 | |
| 51 | /* |
| 52 | * Similar to error_report(), except it prints the message just once. |
| 53 | * Return true when it prints, false otherwise. |
| 54 | */ |
| 55 | #define error_report_once(fmt, ...) \ |
| 56 | ({ \ |
| 57 | static bool print_once_; \ |
| 58 | error_report_once_cond(&print_once_, \ |
| 59 | fmt, ##__VA_ARGS__); \ |
| 60 | }) |
| 61 | |
| 62 | /* |
| 63 | * Similar to warn_report(), except it prints the message just once. |
| 64 | * Return true when it prints, false otherwise. |
| 65 | */ |
| 66 | #define warn_report_once(fmt, ...) \ |
| 67 | ({ \ |
| 68 | static bool print_once_; \ |
| 69 | warn_report_once_cond(&print_once_, \ |
| 70 | fmt, ##__VA_ARGS__); \ |
| 71 | }) |
| 72 | |
| 73 | extern bool message_with_timestamp; |
| 74 | extern bool error_with_guestname; |
| 75 | extern const char *error_guest_name; |
| 76 | |
| 77 | /* |
| 78 | * Return current datetime in ISO 8601 format. |
| 79 | * Caller is responsible to g_free() the returned string. |
| 80 | */ |
| 81 | char *real_time_iso8601(void); |
| 82 | |
| 83 | #endif |