X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fcalendar.c;h=a2bb7e600004c6cd025c90e0c26641e12fe30ce0;hb=81579d9e9f994fb2908f50af41c3eb033d216e58;hp=c3d9d8e6ea00728cca253c4be18dbc01527dc5f6;hpb=38f8cf3544615efabc0913ebd00fdf6053cf294d;p=pspp-builds.git diff --git a/src/data/calendar.c b/src/data/calendar.c index c3d9d8e6..a2bb7e60 100644 --- a/src/data/calendar.c +++ b/src/data/calendar.c @@ -1,9 +1,28 @@ +/* PSPP - a program for statistical analysis. + Copyright (C) 2006, 2007, 2008, 2010, 2011 Free Software Foundation, Inc. + + 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 3 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, see . */ + #include -#include "calendar.h" + +#include "data/calendar.h" + #include #include -#include "settings.h" -#include "value.h" + +#include "data/settings.h" +#include "data/val-type.h" #include "gettext.h" #define _(msgid) gettext (msgid) @@ -13,7 +32,7 @@ /* Calculates and returns floor(a/b) for integer b > 0. */ static int -floor_div (int a, int b) +floor_div (int a, int b) { assert (b > 0); return (a >= 0 ? a : a - b + 1) / b; @@ -22,7 +41,7 @@ floor_div (int a, int b) /* Calculates floor(a/b) and the corresponding remainder and stores them into *Q and *R. */ static void -floor_divmod (int a, int b, int *q, int *r) +floor_divmod (int a, int b, int *q, int *r) { *q = floor_div (a, b); *r = a - b * *q; @@ -30,13 +49,13 @@ floor_divmod (int a, int b, int *q, int *r) /* Returns true if Y is a leap year, false otherwise. */ static bool -is_leap_year (int y) +is_leap_year (int y) { return y % 4 == 0 && (y % 100 != 0 || y % 400 == 0); } static int -raw_gregorian_to_offset (int y, int m, int d) +raw_gregorian_to_offset (int y, int m, int d) { return (EPOCH - 1 + 365 * (y - 1) @@ -52,62 +71,68 @@ raw_gregorian_to_offset (int y, int m, int d) Gregorian calendar. Returns SYSMIS for dates before 14 Oct 1582. */ double -calendar_gregorian_to_offset (int y, int m, int d, - calendar_error_func *error, void *aux) +calendar_gregorian_to_offset (int y, int m, int d, char **errorp) { /* Normalize year. */ - if (y >= 0 && y < 100) + if (y >= 0 && y < 100) { - int epoch = get_epoch (); + int epoch = settings_get_epoch (); int century = epoch / 100 + (y < epoch % 100); y += century * 100; } /* Normalize month. */ - if (m < 1 || m > 12) + if (m < 1 || m > 12) { - if (m == 0) + if (m == 0) { y--; m = 12; } - else if (m == 13) + else if (m == 13) { y++; m = 1; } else { - error (aux, _("Month %d is not in acceptable range of 0 to 13."), m); + if (errorp != NULL) + *errorp = xasprintf (_("Month %d is not in acceptable range of " + "0 to 13."), m); return SYSMIS; } } /* Normalize day. */ - if (d < 0 || d > 31) + if (d < 0 || d > 31) { - error (aux, _("Day %d is not in acceptable range of 0 to 31."), d); + if (errorp != NULL) + *errorp = xasprintf (_("Day %d is not in acceptable range of " + "0 to 31."), d); return SYSMIS; } /* Validate date. */ - if (y < 1582 || (y == 1582 && (m < 10 || (m == 10 && d < 15)))) + if (y < 1582 || (y == 1582 && (m < 10 || (m == 10 && d < 15)))) { - error (aux, _("Date %04d-%d-%d is before the earliest acceptable " - "date of 1582-10-15."), y, m, d); + if (errorp != NULL) + *errorp = xasprintf (_("Date %04d-%d-%d is before the earliest " + "acceptable date of 1582-10-15."), y, m, d); return SYSMIS; } /* Calculate offset. */ + if (errorp != NULL) + *errorp = NULL; return raw_gregorian_to_offset (y, m, d); } /* Returns the number of days in the given YEAR from January 1 up to (but not including) the first day of MONTH. */ static int -cum_month_days (int year, int month) +cum_month_days (int year, int month) { - static const int cum_month_days[12] = + static const int cum_month_days[12] = { 0, 31, /* Jan */ @@ -131,7 +156,7 @@ cum_month_days (int year, int month) Gregorian calendar year it is in. Dates both before and after the epoch are supported. */ int -calendar_offset_to_year (int ofs) +calendar_offset_to_year (int ofs) { int d0; int n400, d1; @@ -194,7 +219,7 @@ calendar_offset_to_wday (int ofs) /* Takes a count of days from 14 Oct 1582 and returns the month it is in. */ int -calendar_offset_to_month (int ofs) +calendar_offset_to_month (int ofs) { int y, m, d, yd; calendar_offset_to_gregorian (ofs, &y, &m, &d, &yd); @@ -204,7 +229,7 @@ calendar_offset_to_month (int ofs) /* Takes a count of days from 14 Oct 1582 and returns the corresponding day of the month. */ int -calendar_offset_to_mday (int ofs) +calendar_offset_to_mday (int ofs) { int y, m, d, yd; calendar_offset_to_gregorian (ofs, &y, &m, &d, &yd); @@ -213,7 +238,7 @@ calendar_offset_to_mday (int ofs) /* Returns the number of days in the specified month. */ int -calendar_days_in_month (int y, int m) +calendar_days_in_month (int y, int m) { static const int days_per_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};