sessiond: ust: conditionally enable the underscore prefix variant quirk

[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.hpp

diff --git a/src/bin/lttng-sessiond/ust-app.hpp b/src/bin/lttng-sessiond/ust-app.hpp
index 34376a63df9ded3af5ca1ef0bd26b20a319cb639..d0cbd217ce857aa48c0e7164e2143de66e2f7986 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.hpp
+++ b/src/bin/lttng-sessiond/ust-app.hpp
@@ -19,6 +19,7 @@
 #include "ust-registry.hpp"
 #include "ust-registry-session.hpp"
 #include "session.hpp"
+#include "ust-field-convert.hpp"
 
 #define UST_APP_EVENT_LIST_SIZE 32
 
@@ -324,21 +325,28 @@ struct ust_app {
         * (ust_app_event_notifier_rule) by their token's value.
         */
        struct lttng_ht *token_to_event_notifier_rule_ht;
+
+       lttng::sessiond::ust::ctl_field_quirks ctl_field_quirks() const;
 };
 
+/*
+ * Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace,
+ * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480.
+ */
+namespace fmt {
 template <>
-struct fmt::formatter<ust_app> : fmt::formatter<std::string> {
+struct formatter<ust_app> : formatter<std::string> {
        template <typename FormatCtx>
        typename FormatCtx::iterator format(const ust_app& app, FormatCtx& ctx)
        {
-               return fmt::format_to(ctx.out(),
+               return format_to(ctx.out(),
                                "{{ procname = `{}`, ppid = {}, pid = {}, uid = {}, gid = {}, version = {}.{}, registration time = {} }}",
                                app.name, app.ppid, app.pid, app.uid, app.gid, app.v_major,
                                app.v_minor,
                                lttng::utils::time_to_iso8601_str(app.registration_time));
        }
 };
-
+} /* namespace fmt */
 
 #ifdef HAVE_LIBLTTNG_UST_CTL