source: git/src/readval.h @ e0c7cd1

/* readval.h
 * Routines to read a prefix or number from the current input file
 * Copyright (C) 1991-2003,2005 Olly Betts
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

extern int root_depr_count;

prefix *read_prefix_survey(bool f_optional, bool fAllowRoot);
prefix *read_prefix_stn(bool f_optional, bool fAllowRoot);
prefix *read_prefix_stn_check_implicit(bool f_optional, bool fAllowRoot);

real read_numeric(bool f_optional, int *p_n_readings);
real read_numeric_or_omit(int *p_n_readings);

unsigned int read_uint(void);

void read_string(char **pstr, int *plen);

void read_date(int *py, int *pm, int *pd);

/* Correct for 1901-2099 and we currently only support the range 1970-2038. */
/* FIXME: needs attention if we extend range to cover 1900 or 2100! */
#define is_leap_year(Y) ((Y) % 4 == 0)

/* Return last day for given month of given year.  Month 0 is assumed to
 * be december! */
int last_day(int year, int month);