void
g_logv (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *format,
va_list args1)
{
gboolean was_fatal = (log_level & G_LOG_FLAG_FATAL) != 0;
gboolean was_recursion = (log_level & G_LOG_FLAG_RECURSION) != 0;
gint i;
log_level &= G_LOG_LEVEL_MASK;
if (!log_level)
return;
for (i = g_bit_nth_msf (log_level, -1); i >= 0; i = g_bit_nth_msf (log_level, i))
{
register GLogLevelFlags test_level;
test_level = 1 << i;
if (log_level & test_level)
{
guint depth = GPOINTER_TO_UINT (g_private_get (g_log_depth));
GLogDomain *domain;
GLogFunc log_func;
GLogLevelFlags domain_fatal_mask;
gpointer data = NULL;
gboolean masquerade_fatal = FALSE;
if (was_fatal)
test_level |= G_LOG_FLAG_FATAL;
if (was_recursion)
test_level |= G_LOG_FLAG_RECURSION;
/* check recursion and lookup handler */
g_mutex_lock (g_messages_lock);
domain = g_log_find_domain_L (log_domain ? log_domain : "");
if (depth)
test_level |= G_LOG_FLAG_RECURSION;
depth++;
domain_fatal_mask = domain ? domain->fatal_mask : G_LOG_FATAL_MASK;
if ((domain_fatal_mask | g_log_always_fatal) & test_level)
test_level |= G_LOG_FLAG_FATAL;
if (test_level & G_LOG_FLAG_RECURSION)
log_func = _g_log_fallback_handler;
else
log_func = g_log_domain_get_handler_L (domain, test_level, &data);
domain = NULL;
g_mutex_unlock (g_messages_lock);
g_private_set (g_log_depth, GUINT_TO_POINTER (depth));
/* had to defer debug initialization until we can keep track of recursion */
if (!(test_level & G_LOG_FLAG_RECURSION) && !_g_debug_initialized)
{
GLogLevelFlags orig_test_level = test_level;
_g_debug_init ();
if ((domain_fatal_mask | g_log_always_fatal) & test_level)
test_level |= G_LOG_FLAG_FATAL;
if (test_level != orig_test_level)
{
/* need a relookup, not nice, but not too bad either */
g_mutex_lock (g_messages_lock);
domain = g_log_find_domain_L (log_domain ? log_domain : "");
log_func = g_log_domain_get_handler_L (domain, test_level, &data);
domain = NULL;
g_mutex_unlock (g_messages_lock);
}
}
if (test_level & G_LOG_FLAG_RECURSION)
{
/* we use a stack buffer of fixed size, since we're likely
* in an out-of-memory situation
*/
gchar buffer[1025];
gsize size G_GNUC_UNUSED;
va_list args2;
G_VA_COPY (args2, args1);
size = _g_vsnprintf (buffer, 1024, format, args2);
va_end (args2);
log_func (log_domain, test_level, buffer, data);
}
else
{
gchar *msg;
va_list args2;
G_VA_COPY (args2, args1);
msg = g_strdup_vprintf (format, args2);
va_end (args2);
log_func (log_domain, test_level, msg, data);
if ((test_level & G_LOG_FLAG_FATAL)
&& !(test_level & G_LOG_LEVEL_ERROR))
{
masquerade_fatal = fatal_log_func
&& !fatal_log_func (log_domain, test_level, msg, data);
}
g_free (msg);
}
if ((test_level & G_LOG_FLAG_FATAL) && !masquerade_fatal)
{
#ifdef G_OS_WIN32
gchar *locale_msg = g_locale_from_utf8 (fatal_msg_buf, -1, NULL, NULL, NULL);
MessageBox (NULL, locale_msg, NULL,
MB_ICONERROR|MB_SETFOREGROUND);
if (IsDebuggerPresent () && !(test_level & G_LOG_FLAG_RECURSION))
G_BREAKPOINT ();
else
abort ();
#else
if (!(test_level & G_LOG_FLAG_RECURSION))
G_BREAKPOINT ();
else
abort ();
#endif /* !G_OS_WIN32 */
}
depth--;
g_private_set (g_log_depth, GUINT_TO_POINTER (depth));
}
}
}
void
g_logv (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *format,
va_list args1)
{
va_list args2;
gchar buffer[1025];
register gint i;
log_level &= G_LOG_LEVEL_MASK;
if (!log_level)
return;
/* we use a stack buffer of fixed size, because we might get called
* recursively.
*/
G_VA_COPY (args2, args1);
if (g_printf_string_upper_bound (format, args1) < 1024)
vsprintf (buffer, format, args2);
else
{
/* since we might be out of memory, we can't use g_vsnprintf(). */
#ifdef HAVE_VSNPRINTF
vsnprintf (buffer, 1024, format, args2);
#else /* !HAVE_VSNPRINTF */
/* we are out of luck here */
strncpy (buffer, format, 1024);
#endif /* !HAVE_VSNPRINTF */
buffer[1024] = 0;
}
va_end (args2);
for (i = g_bit_nth_msf (log_level, -1); i >= 0; i = g_bit_nth_msf (log_level, i))
{
register GLogLevelFlags test_level;
test_level = 1 << i;
if (log_level & test_level)
{
guint depth = GPOINTER_TO_UINT (g_private_get (g_log_depth));
GLogDomain *domain;
GLogFunc log_func;
gpointer data = NULL;
domain = g_log_find_domain (log_domain ? log_domain : "");
if (depth)
test_level |= G_LOG_FLAG_RECURSION;
depth++;
g_private_set (g_log_depth, GUINT_TO_POINTER (depth));
g_mutex_lock (g_messages_lock);
if ((((domain ? domain->fatal_mask : G_LOG_FATAL_MASK) |
g_log_always_fatal) & test_level) != 0)
test_level |= G_LOG_FLAG_FATAL;
g_mutex_unlock (g_messages_lock);
log_func = g_log_domain_get_handler (domain, test_level, &data);
log_func (log_domain, test_level, buffer, data);
/* *domain can be cluttered now */
if (test_level & G_LOG_FLAG_FATAL)
abort ();
depth--;
g_private_set (g_log_depth, GUINT_TO_POINTER (depth));
}
}
}
/**
* tracker_sparql_escape_uri_vprintf:
* @format: a standard printf() format string, but notice
* <link linkend="string-precision">string precision pitfalls</link> documented in g_strdup_printf()
* @args: the list of parameters to insert into the format string
*
* Similar to the standard C vsprintf() function but safer, since it
* calculates the maximum space required and allocates memory to hold
* the result.
*
* The result is escaped using g_uri_escape_string().
*
* Returns: a newly-allocated string holding the result. The returned string
* should be freed with g_free() when no longer needed.
*
* Since: 0.10
*/
gchar *
tracker_sparql_escape_uri_vprintf (const gchar *format,
va_list args)
{
GString *format1;
GString *format2;
GString *result = NULL;
gchar *output1 = NULL;
gchar *output2 = NULL;
const char *p;
gchar *op1, *op2;
va_list args2;
format1 = g_string_new (NULL);
format2 = g_string_new (NULL);
p = format;
while (TRUE) {
const char *after;
const char *conv = find_conversion (p, &after);
if (!conv)
break;
g_string_append_len (format1, conv, after - conv);
g_string_append_c (format1, 'X');
g_string_append_len (format2, conv, after - conv);
g_string_append_c (format2, 'Y');
p = after;
}
/* Use them to format the arguments
*/
G_VA_COPY (args2, args);
output1 = g_strdup_vprintf (format1->str, args);
va_end (args);
if (!output1) {
va_end (args2);
goto cleanup;
}
output2 = g_strdup_vprintf (format2->str, args2);
va_end (args2);
if (!output2)
goto cleanup;
result = g_string_new (NULL);
op1 = output1;
op2 = output2;
p = format;
while (TRUE) {
const char *after;
const char *output_start;
const char *conv = find_conversion (p, &after);
char *escaped;
if (!conv) {
g_string_append_len (result, p, after - p);
break;
}
g_string_append_len (result, p, conv - p);
output_start = op1;
while (*op1 == *op2) {
op1++;
op2++;
}
*op1 = '\0';
escaped = g_uri_escape_string (output_start, G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT, FALSE);
g_string_append (result, escaped);
g_free (escaped);
p = after;
op1++;
op2++;
}
cleanup:
g_string_free (format1, TRUE);
g_string_free (format2, TRUE);
g_free (output1);
g_free (output2);
if (result)
return g_string_free (result, FALSE);
else
return NULL;
}
