Update to tzcode2007f from elsie.nci.nih.gov

1 files changed, 33 insertions, 23 deletions

diff --git a/lib/libc/time/zic.c b/lib/libc/time/zic.c
index a7218ae8aba..2ea9df1e8b4 100644
--- a/lib/libc/time/zic.c
+++ b/lib/libc/time/zic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: zic.c,v 1.28 2007/02/27 16:40:35 millert Exp $	*/
+/*	$OpenBSD: zic.c,v 1.29 2007/06/30 13:20:42 millert Exp $	*/
 /*
 ** This file is in the public domain, so clarified as of
 ** 2006-07-17 by Arthur David Olson.
@@ -117,7 +117,7 @@ static void	associate P((void));
 static int	ciequal P((const char * ap, const char * bp));
 static void	convert P((long val, char * buf));
 static void	convert64 P((zic_t val, char * buf));
-static void	dolink P((const char * fromfile, const char * tofile));
+static void	dolink P((const char * fromfield, const char * tofield));
 static void	doabbr P((char * abbr, size_t size, const char * format,
 			const char * letters, int isdst, int doquotes));
 static void	eat P((const char * name, int num));
@@ -621,26 +621,26 @@ _("%s: More than one -L option specified\n"),
 }
 
 static void
-dolink(fromfile, tofile)
-const char * const	fromfile;
-const char * const	tofile;
+dolink(fromfield, tofield)
+const char * const	fromfield;
+const char * const	tofield;
 {
 	register char *	fromname;
 	register char *	toname;
 
-	if (fromfile[0] == '/')
-		fromname = ecpyalloc(fromfile);
+	if (fromfield[0] == '/')
+		fromname = ecpyalloc(fromfield);
 	else {
 		fromname = ecpyalloc(directory);
 		fromname = ecatalloc(fromname, "/");
-		fromname = ecatalloc(fromname, fromfile);
+		fromname = ecatalloc(fromname, fromfield);
 	}
-	if (tofile[0] == '/')
-		toname = ecpyalloc(tofile);
+	if (tofield[0] == '/')
+		toname = ecpyalloc(tofield);
 	else {
 		toname = ecpyalloc(directory);
 		toname = ecatalloc(toname, "/");
-		toname = ecatalloc(toname, tofile);
+		toname = ecatalloc(toname, tofield);
 	}
 	/*
 	** We get to be careful here since
@@ -902,7 +902,8 @@ const char *		string;
 const char * const	errstring;
 const int		signable;
 {
-	int	hh, mm, ss, sign;
+	long	hh;
+	int	mm, ss, sign;
 
 	if (string == NULL || *string == '\0')
 		return 0;
@@ -912,27 +913,32 @@ const int		signable;
 		sign = -1;
 		++string;
 	} else	sign = 1;
-	if (sscanf(string, scheck(string, "%d"), &hh) == 1)
+	if (sscanf(string, scheck(string, "%ld"), &hh) == 1)
 		mm = ss = 0;
-	else if (sscanf(string, scheck(string, "%d:%d"), &hh, &mm) == 2)
+	else if (sscanf(string, scheck(string, "%ld:%d"), &hh, &mm) == 2)
 		ss = 0;
-	else if (sscanf(string, scheck(string, "%d:%d:%d"),
+	else if (sscanf(string, scheck(string, "%ld:%d:%d"),
 		&hh, &mm, &ss) != 3) {
 			error(errstring);
 			return 0;
 	}
-	if ((hh < 0 || hh >= HOURSPERDAY ||
+	if (hh < 0 ||
 		mm < 0 || mm >= MINSPERHOUR ||
-		ss < 0 || ss > SECSPERMIN) &&
-		!(hh == HOURSPERDAY && mm == 0 && ss == 0)) {
+		ss < 0 || ss > SECSPERMIN) {
 			error(errstring);
 			return 0;
 	}
-	if (noise && hh == HOURSPERDAY)
+	if (LONG_MAX / SECSPERHOUR < hh) {
+		error(_("time overflow"));
+		return 0;
+	}
+	if (noise && hh == HOURSPERDAY && mm == 0 && ss == 0)
 		warning(_("24:00 not handled by pre-1998 versions of zic"));
-	return eitol(sign) *
-		(eitol(hh * MINSPERHOUR + mm) *
-		eitol(SECSPERMIN) + eitol(ss));
+	if (noise && (hh > HOURSPERDAY ||
+		(hh == HOURSPERDAY && (mm != 0 || ss != 0))))
+warning(_("values over 24 hours not handled by pre-2007 versions of zic"));
+	return oadd(eitol(sign) * hh * eitol(SECSPERHOUR),
+		    eitol(sign) * (eitol(mm) * eitol(SECSPERMIN) + eitol(ss)));
 }
 
 static void
@@ -2027,7 +2033,7 @@ const int			zonecount;
 
 wp = ecpyalloc(_("no POSIX environment variable for zone"));
 		wp = ecatalloc(wp, " ");
-		wp = ecatalloc(wp, zpfirst->z_name); 
+		wp = ecatalloc(wp, zpfirst->z_name);
 		warning(wp);
 		ifree(wp);
 	}
@@ -2283,6 +2289,10 @@ const int		ttisgmt;
 		error(_("too many local time types"));
 		exit(EXIT_FAILURE);
 	}
+	if (! (-1L - 2147483647L <= gmtoff && gmtoff <= 2147483647L)) {
+		error(_("UTC offset out of range"));
+		exit(EXIT_FAILURE);
+	}
 	gmtoffs[i] = gmtoff;
 	isdsts[i] = isdst;
 	ttisstds[i] = ttisstd;