Add support for star globbing patterns in event names

[lttng-ust.git] / liblttng-ust / lttng-ust-abi.c

diff --git a/liblttng-ust/lttng-ust-abi.c b/liblttng-ust/lttng-ust-abi.c
index 4fbf15c6543aeb55faf8e433eb2a9fedd6fdc9f3..24769a7d6571f5fe49ea90ab4f1dcc7443b822ba 100644 (file)
--- a/liblttng-ust/lttng-ust-abi.c
+++ b/liblttng-ust/lttng-ust-abi.c
@@ -50,6 +50,7 @@
 #include <usterr-signal-safe.h>
 #include <helper.h>
 #include "lttng-tracer.h"
+#include "string-utils.h"
 #include "../libringbuffer/shm.h"
 #include "../libringbuffer/frontend_types.h"
 
@@ -210,7 +211,7 @@ int lttng_ust_objd_unref(int id, int is_owner)
        }
        if ((--obj->u.s.f_count) == 1) {
                const struct lttng_ust_objd_ops *ops = objd_ops(id);
-               
+
                if (ops->release)
                        ops->release(id);
                objd_free(id);
@@ -880,10 +881,14 @@ long lttng_channel_cmd(int objd, unsigned int cmd, unsigned long arg,
        {
                struct lttng_ust_event *event_param =
                        (struct lttng_ust_event *) arg;
-               if (event_param->name[strlen(event_param->name) - 1] == '*') {
-                       /* If ends with wildcard, create wildcard. */
+
+               if (strutils_is_star_glob_pattern(event_param->name)) {
+                       /*
+                        * If the event name is a star globbing pattern,
+                        * we create the special star globbing enabler.
+                        */
                        return lttng_abi_create_enabler(objd, event_param,
-                                       owner, LTTNG_ENABLER_WILDCARD);
+                                       owner, LTTNG_ENABLER_STAR_GLOB);
                } else {
                        return lttng_abi_create_enabler(objd, event_param,
                                        owner, LTTNG_ENABLER_EVENT);