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-rw-r--r--libnetdata/simple_pattern/simple_pattern.h40
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diff --git a/libnetdata/simple_pattern/simple_pattern.h b/libnetdata/simple_pattern/simple_pattern.h
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+++ b/libnetdata/simple_pattern/simple_pattern.h
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+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_SIMPLE_PATTERN_H
+#define NETDATA_SIMPLE_PATTERN_H
+
+#include "../libnetdata.h"
+
+
+typedef enum {
+ SIMPLE_PATTERN_EXACT,
+ SIMPLE_PATTERN_PREFIX,
+ SIMPLE_PATTERN_SUFFIX,
+ SIMPLE_PATTERN_SUBSTRING
+} SIMPLE_PREFIX_MODE;
+
+typedef void SIMPLE_PATTERN;
+
+// create a simple_pattern from the string given
+// default_mode is used in cases where EXACT matches, without an asterisk,
+// should be considered PREFIX matches.
+extern SIMPLE_PATTERN *simple_pattern_create(const char *list, const char *separators, SIMPLE_PREFIX_MODE default_mode);
+
+// test if string str is matched from the pattern and fill 'wildcarded' with the parts matched by '*'
+extern int simple_pattern_matches_extract(SIMPLE_PATTERN *list, const char *str, char *wildcarded, size_t wildcarded_size);
+
+// test if string str is matched from the pattern
+#define simple_pattern_matches(list, str) simple_pattern_matches_extract(list, str, NULL, 0)
+
+// free a simple_pattern that was created with simple_pattern_create()
+// list can be NULL, in which case, this does nothing.
+extern void simple_pattern_free(SIMPLE_PATTERN *list);
+
+extern void simple_pattern_dump(uint64_t debug_type, SIMPLE_PATTERN *p) ;
+extern int simple_pattern_is_potential_name(SIMPLE_PATTERN *p) ;
+extern char *simple_pattern_iterate(SIMPLE_PATTERN **p);
+
+//Auxiliary function to create a pattern
+char *simple_pattern_trim_around_equal(char *src);
+
+#endif //NETDATA_SIMPLE_PATTERN_H