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 void error_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); 34 void error_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2); 35 void error_vprintf_unless_qmp(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); 36 void error_printf_unless_qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2); 37 void error_set_progname(const char *argv0); 38 39 void error_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); 40 void warn_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); 41 void info_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); 42 43 void error_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); 44 void warn_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); 45 void info_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); 46 47 bool error_report_once_cond(bool *printed, const char *fmt, ...) 48 GCC_FMT_ATTR(2, 3); 49 bool warn_report_once_cond(bool *printed, const char *fmt, ...) 50 GCC_FMT_ATTR(2, 3); 51 52 /* 53 * Similar to error_report(), except it prints the message just once. 54 * Return true when it prints, false otherwise. 55 */ 56 #define error_report_once(fmt, ...) \ 57 ({ \ 58 static bool print_once_; \ 59 error_report_once_cond(&print_once_, \ 60 fmt, ##__VA_ARGS__); \ 61 }) 62 63 /* 64 * Similar to warn_report(), except it prints the message just once. 65 * Return true when it prints, false otherwise. 66 */ 67 #define warn_report_once(fmt, ...) \ 68 ({ \ 69 static bool print_once_; \ 70 warn_report_once_cond(&print_once_, \ 71 fmt, ##__VA_ARGS__); \ 72 }) 73 74 const char *error_get_progname(void); 75 extern bool enable_timestamp_msg; 76 77 #endif 78