+++ /dev/null
-/*
- * Error reporting
- *
- * Copyright (C) 2010 Red Hat Inc.
- *
- * Authors:
- * Markus Armbruster <armbru@redhat.com>,
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "monitor/monitor.h"
-#include "qemu/error-report.h"
-
-/*
- * @report_type is the type of message: error, warning or
- * informational.
- */
-typedef enum {
- REPORT_TYPE_ERROR,
- REPORT_TYPE_WARNING,
- REPORT_TYPE_INFO,
-} report_type;
-
-void error_printf(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- error_vprintf(fmt, ap);
- va_end(ap);
-}
-
-void error_printf_unless_qmp(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- error_vprintf_unless_qmp(fmt, ap);
- va_end(ap);
-}
-
-static Location std_loc = {
- .kind = LOC_NONE
-};
-static Location *cur_loc = &std_loc;
-
-/*
- * Push location saved in LOC onto the location stack, return it.
- * The top of that stack is the current location.
- * Needs a matching loc_pop().
- */
-Location *loc_push_restore(Location *loc)
-{
- assert(!loc->prev);
- loc->prev = cur_loc;
- cur_loc = loc;
- return loc;
-}
-
-/*
- * Initialize *LOC to "nowhere", push it onto the location stack.
- * The top of that stack is the current location.
- * Needs a matching loc_pop().
- * Return LOC.
- */
-Location *loc_push_none(Location *loc)
-{
- loc->kind = LOC_NONE;
- loc->prev = NULL;
- return loc_push_restore(loc);
-}
-
-/*
- * Pop the location stack.
- * LOC must be the current location, i.e. the top of the stack.
- */
-Location *loc_pop(Location *loc)
-{
- assert(cur_loc == loc && loc->prev);
- cur_loc = loc->prev;
- loc->prev = NULL;
- return loc;
-}
-
-/*
- * Save the current location in LOC, return LOC.
- */
-Location *loc_save(Location *loc)
-{
- *loc = *cur_loc;
- loc->prev = NULL;
- return loc;
-}
-
-/*
- * Change the current location to the one saved in LOC.
- */
-void loc_restore(Location *loc)
-{
- Location *prev = cur_loc->prev;
- assert(!loc->prev);
- *cur_loc = *loc;
- cur_loc->prev = prev;
-}
-
-/*
- * Change the current location to "nowhere in particular".
- */
-void loc_set_none(void)
-{
- cur_loc->kind = LOC_NONE;
-}
-
-/*
- * Change the current location to argument ARGV[IDX..IDX+CNT-1].
- */
-void loc_set_cmdline(char **argv, int idx, int cnt)
-{
- cur_loc->kind = LOC_CMDLINE;
- cur_loc->num = cnt;
- cur_loc->ptr = argv + idx;
-}
-
-/*
- * Change the current location to file FNAME, line LNO.
- */
-void loc_set_file(const char *fname, int lno)
-{
- assert (fname || cur_loc->kind == LOC_FILE);
- cur_loc->kind = LOC_FILE;
- cur_loc->num = lno;
- if (fname) {
- cur_loc->ptr = fname;
- }
-}
-
-static const char *progname;
-
-/*
- * Set the program name for error_print_loc().
- */
-void error_set_progname(const char *argv0)
-{
- const char *p = strrchr(argv0, '/');
- progname = p ? p + 1 : argv0;
-}
-
-const char *error_get_progname(void)
-{
- return progname;
-}
-
-/*
- * Print current location to current monitor if we have one, else to stderr.
- */
-static void print_loc(void)
-{
- const char *sep = "";
- int i;
- const char *const *argp;
-
- if (!cur_mon && progname) {
- fprintf(stderr, "%s:", progname);
- sep = " ";
- }
- switch (cur_loc->kind) {
- case LOC_CMDLINE:
- argp = cur_loc->ptr;
- for (i = 0; i < cur_loc->num; i++) {
- error_printf("%s%s", sep, argp[i]);
- sep = " ";
- }
- error_printf(": ");
- break;
- case LOC_FILE:
- error_printf("%s:", (const char *)cur_loc->ptr);
- if (cur_loc->num) {
- error_printf("%d:", cur_loc->num);
- }
- error_printf(" ");
- break;
- default:
- error_printf("%s", sep);
- }
-}
-
-bool enable_timestamp_msg;
-/*
- * Print a message to current monitor if we have one, else to stderr.
- * @report_type is the type of message: error, warning or informational.
- * Format arguments like vsprintf(). The resulting message should be
- * a single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-static void vreport(report_type type, const char *fmt, va_list ap)
-{
- GTimeVal tv;
- gchar *timestr;
-
- if (enable_timestamp_msg && !cur_mon) {
- g_get_current_time(&tv);
- timestr = g_time_val_to_iso8601(&tv);
- error_printf("%s ", timestr);
- g_free(timestr);
- }
-
- print_loc();
-
- switch (type) {
- case REPORT_TYPE_ERROR:
- break;
- case REPORT_TYPE_WARNING:
- error_printf("warning: ");
- break;
- case REPORT_TYPE_INFO:
- error_printf("info: ");
- break;
- }
-
- error_vprintf(fmt, ap);
- error_printf("\n");
-}
-
-/*
- * Print an error message to current monitor if we have one, else to stderr.
- * Format arguments like vsprintf(). The resulting message should be
- * a single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-void error_vreport(const char *fmt, va_list ap)
-{
- vreport(REPORT_TYPE_ERROR, fmt, ap);
-}
-
-/*
- * Print a warning message to current monitor if we have one, else to stderr.
- * Format arguments like vsprintf(). The resulting message should be
- * a single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-void warn_vreport(const char *fmt, va_list ap)
-{
- vreport(REPORT_TYPE_WARNING, fmt, ap);
-}
-
-/*
- * Print an information message to current monitor if we have one, else to
- * stderr.
- * Format arguments like vsprintf(). The resulting message should be
- * a single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-void info_vreport(const char *fmt, va_list ap)
-{
- vreport(REPORT_TYPE_INFO, fmt, ap);
-}
-
-/*
- * Print an error message to current monitor if we have one, else to stderr.
- * Format arguments like sprintf(). The resulting message should be
- * a single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-void error_report(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vreport(REPORT_TYPE_ERROR, fmt, ap);
- va_end(ap);
-}
-
-/*
- * Print a warning message to current monitor if we have one, else to stderr.
- * Format arguments like sprintf(). The resulting message should be a
- * single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-void warn_report(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vreport(REPORT_TYPE_WARNING, fmt, ap);
- va_end(ap);
-}
-
-/*
- * Print an information message to current monitor if we have one, else to
- * stderr.
- * Format arguments like sprintf(). The resulting message should be a
- * single phrase, with no newline or trailing punctuation.
- * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor. Use error_setg() there.
- */
-void info_report(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vreport(REPORT_TYPE_INFO, fmt, ap);
- va_end(ap);
-}
-
-/*
- * Like error_report(), except print just once.
- * If *printed is false, print the message, and flip *printed to true.
- * Return whether the message was printed.
- */
-bool error_report_once_cond(bool *printed, const char *fmt, ...)
-{
- va_list ap;
-
- assert(printed);
- if (*printed) {
- return false;
- }
- *printed = true;
- va_start(ap, fmt);
- vreport(REPORT_TYPE_ERROR, fmt, ap);
- va_end(ap);
- return true;
-}
-
-/*
- * Like warn_report(), except print just once.
- * If *printed is false, print the message, and flip *printed to true.
- * Return whether the message was printed.
- */
-bool warn_report_once_cond(bool *printed, const char *fmt, ...)
-{
- va_list ap;
-
- assert(printed);
- if (*printed) {
- return false;
- }
- *printed = true;
- va_start(ap, fmt);
- vreport(REPORT_TYPE_WARNING, fmt, ap);
- va_end(ap);
- return true;
-}
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