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Make syntax checking more strict and recognize year/month.

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One Finish and German developer agree that month year is a stupid
order, the French and British guys disagree and the only natural
choice left is to make it understand ISO style.
This commit is contained in:
joerg 2007-12-19 15:52:50 +00:00
parent 5adf6fa315
commit c98485db44
1 changed files with 19 additions and 8 deletions
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27
usr.bin/cal/cal.c
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@ -1,4 +1,4 @@
/* $NetBSD: cal.c,v 1.19 2005/06/02 01:38:50 lukem Exp $ */
/* $NetBSD: cal.c,v 1.20 2007/12/19 15:52:50 joerg Exp $ */
/*
* Copyright (c) 1989, 1993, 1994
@ -42,7 +42,7 @@ __COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\n\
#if 0
static char sccsid[] = "@(#)cal.c 8.4 (Berkeley) 4/2/94";
#else
__RCSID("$NetBSD: cal.c,v 1.19 2005/06/02 01:38:50 lukem Exp $");
__RCSID("$NetBSD: cal.c,v 1.20 2007/12/19 15:52:50 joerg Exp $");
#endif
#endif /* not lint */
@ -219,10 +219,11 @@ main(int argc, char **argv)
{
struct tm *local_time;
time_t now;
int ch, month, year, yflag;
int ch, yflag;
long month, year;
int before, after, use_reform;
int yearly = 0;
char *when;
char *when, *eoi;
before = after = 0;
use_reform = yflag = year = 0;
@ -276,13 +277,23 @@ main(int argc, char **argv)
month = 0;
switch (argc) {
case 2:
if ((month = atoi(*argv++)) < 1 || month > 12)
month = strtol(*argv++, &eoi, 10);
if (month < 1 || month > 12 || *eoi != '\0')
errx(1, "illegal month value: use 1-12");
/* FALLTHROUGH */
case 1:
if ((year = atoi(*argv)) < 1 || year > 9999)
year = strtol(*argv, &eoi, 10);
if (year < 1 || year > 9999 || *eoi != '\0')
errx(1, "illegal year value: use 1-9999");
break;
case 1:
year = strtol(*argv, &eoi, 10);
if (year < 1 || year > 9999 || (*eoi != '\0' && *eoi != '/'))
errx(1, "illegal year value: use 1-9999");
if (*eoi == '/') {
month = strtol(eoi + 1, &eoi, 10);
if (month < 1 || month > 12 || *eoi != '\0')
errx(1, "illegal month value: use 1-12");
}
break;
case 0:
(void)time(&now);
local_time = localtime(&now);