filter: Add more flag to distinguish searching targets

Signed-off-by: Hiroshi Hatake <[email protected]>
fluent · Feb 20, 2024 · 3f0776f · 3f0776f
1 parent 46d88ac
commit 3f0776f
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/include/cmetrics/cmt_filter.h b/include/cmetrics/cmt_filter.h
@@ -23,9 +23,10 @@
 #include <cmetrics/cmetrics.h>
 #include <cmetrics/cmt_cat.h>
 
-#define CMT_FILTER_EXCLUDE   (1 << 1)
-#define CMT_FILTER_PREFIX    (1 << 2)
-#define CMT_FILTER_SUBSTRING (1 << 3)
+#define CMT_FILTER_EXCLUDE             (1 << 1)
+#define CMT_FILTER_PREFIX              (1 << 2)
+#define CMT_FILTER_SUBSTRING           (1 << 3)
+#define CMT_FILTER_REGEX_SEARCH_LABELS (1 << 4)
 
 #define CMT_FILTER_SUCCESS           0
 #define CMT_FILTER_INVALID_ARGUMENT -1

diff --git a/src/cmt_filter.c b/src/cmt_filter.c
@@ -289,6 +289,7 @@ int cmt_filter(struct cmt *dst, struct cmt *src,
         return CMT_FILTER_FAILED_OPERATION;
     }
 
+    /* On callback mode, labels are not searched by default. */
     if (label_key != NULL || (compare_ctx != NULL && compare != NULL)) {
         ret = filter_context_label_key(dst, src, label_key, compare_ctx, compare, flags);
     }