error-report.h (2518B)
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 #endif