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db_include/utils/tzparser.h

@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+ *
+ * tzparser.h
+ *	  Timezone offset file parsing definitions.
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/tzparser.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef TZPARSER_H
+#define TZPARSER_H
+
+#include "utils/datetime.h"
+
+/*
+ * The result of parsing a timezone configuration file is an array of
+ * these structs, in order by abbrev.  We export this because datetime.c
+ * needs it.
+ */
+typedef struct tzEntry
+{
+	/* the actual data */
+	char	   *abbrev;			/* TZ abbreviation (downcased) */
+	char	   *zone;			/* zone name if dynamic abbrev, else NULL */
+	/* for a dynamic abbreviation, offset/is_dst are not used */
+	int			offset;			/* offset in seconds from UTC */
+	bool		is_dst;			/* true if a DST abbreviation */
+	/* source information (for error messages) */
+	int			lineno;
+	const char *filename;
+} tzEntry;
+
+
+extern TimeZoneAbbrevTable *load_tzoffsets(const char *filename);
+
+#endif							/* TZPARSER_H */