/usr/include/libspreadsheet-1.12/spreadsheet/gnm-datetime.h is in gnumeric 1.12.28-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#ifndef _GNM_DATETIME_H_
# define _GNM_DATETIME_H_
#include "gnumeric.h"
#include "numbers.h"
#include <goffice/goffice.h>
G_BEGIN_DECLS
gboolean gnm_datetime_allow_negative (void);
gnm_float datetime_value_to_serial_raw (GnmValue const *v, GODateConventions const *conv);
int datetime_value_to_seconds (GnmValue const *v, GODateConventions const *conv);
/* These are date-only, no time. */
gboolean datetime_value_to_g (GDate *res, GnmValue const *v, GODateConventions const *conv);
int datetime_value_to_serial (GnmValue const *v, GODateConventions const *conv);
int annual_year_basis (GnmValue const *value_date, GOBasisType basis,
GODateConventions const *date_conv);
gnm_float yearfrac (GDate const *from, GDate const *to, GOBasisType basis);
void gnm_date_add_days (GDate *d, int n);
void gnm_date_add_months (GDate *d, int n);
void gnm_date_add_years (GDate *d, int n);
#define GNM_DATE_BASIS_HELP \
{ GNM_FUNC_HELP_NOTE, F_("If @{basis} is 0, then the US 30/360 method is used.") }, \
{ GNM_FUNC_HELP_NOTE, F_("If @{basis} is 1, then actual number of days is used.") }, \
{ GNM_FUNC_HELP_NOTE, F_("If @{basis} is 2, then actual number of days is used within a month, but years are considered only 360 days.") }, \
{ GNM_FUNC_HELP_NOTE, F_("If @{basis} is 3, then actual number of days is used within a month, but years are always considered 365 days.") }, \
{ GNM_FUNC_HELP_NOTE, F_("If @{basis} is 4, then the European 30/360 method is used.") },
G_END_DECLS
#endif /* _GNM_DATETIME_H_ */
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