action_syntax_error(struct action_context *ctx, const char *message, ...)
{
if (action_error_handle_common(ctx)) {
return;
}
struct ds s;
ds_init(&s);
ds_put_cstr(&s, "Syntax error");
if (ctx->lexer->token.type == LEX_T_END) {
ds_put_cstr(&s, " at end of input");
} else if (ctx->lexer->start) {
ds_put_format(&s, " at `%.*s'",
(int) (ctx->lexer->input - ctx->lexer->start),
ctx->lexer->start);
}
if (message) {
ds_put_char(&s, ' ');
va_list args;
va_start(args, message);
ds_put_format_valist(&s, message, args);
va_end(args);
}
ds_put_char(&s, '.');
ctx->error = ds_steal_cstr(&s);
}
void
ds_put_format(struct ds *ds, const char *format, ...)
{
va_list args;
va_start(args, format);
ds_put_format_valist(ds, format, args);
va_end(args);
}
log_wakeup(const struct backtrace *backtrace, const char *format, ...)
{
struct ds ds;
va_list args;
ds_init(&ds);
va_start(args, format);
ds_put_format_valist(&ds, format, args);
va_end(args);
if (backtrace) {
int i;
ds_put_char(&ds, ':');
for (i = 0; i < backtrace->n_frames; i++) {
ds_put_format(&ds, " 0x%x", backtrace->frames[i]);
}
}
VLOG_DBG("%s", ds_cstr(&ds));
ds_destroy(&ds);
}
void
status_reply_put(struct status_reply *sr, const char *content, ...)
{
size_t old_length = sr->output.length;
size_t added;
va_list args;
/* Append the status reply to the output. */
ds_put_format(&sr->output, "%s.", sr->category->name);
va_start(args, content);
ds_put_format_valist(&sr->output, content, args);
va_end(args);
if (ds_last(&sr->output) != '\n') {
ds_put_char(&sr->output, '\n');
}
/* Drop what we just added if it doesn't match the request. */
added = sr->output.length - old_length;
if (added < sr->request.length
|| memcmp(&sr->output.string[old_length],
sr->request.string, sr->request.length)) {
ds_truncate(&sr->output, old_length);
}
}
