greenplumn tzparser 源码
greenplumn tzparser 代码
文件路径：/src/include/utils/tzparser.h
/*-------------------------------------------------------------------------
*
* tzparser.h
* Timezone offset file parsing definitions.
*
* Portions Copyright (c) 1996-2019, 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 */
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