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-rw-r--r--time/zic.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/time/zic.c b/time/zic.c
index b9518c4649..c95887c9b4 100644
--- a/time/zic.c
+++ b/time/zic.c
@@ -1,6 +1,6 @@
#ifndef lint
#ifndef NOID
-static char elsieid[] = "@(#)zic.c 7.83";
+static char elsieid[] = "@(#)zic.c 7.87";
#endif /* !defined NOID */
#endif /* !defined lint */
@@ -141,8 +141,10 @@ static int leapcnt;
static int linenum;
static time_t max_time;
static int max_year;
+static int max_year_representable;
static time_t min_time;
static int min_year;
+static int min_year_representable;
static int noise;
static const char * rfilename;
static int rlinenum;
@@ -430,7 +432,7 @@ const char * const string;
cp = ecpyalloc("warning: ");
cp = ecatalloc(cp, string);
- error(string);
+ error(cp);
ifree(cp);
--errors;
}
@@ -649,6 +651,8 @@ setboundaries P((void))
}
min_year = TM_YEAR_BASE + gmtime(&min_time)->tm_year;
max_year = TM_YEAR_BASE + gmtime(&max_time)->tm_year;
+ min_year_representable = min_year;
+ max_year_representable = max_year;
}
static int
@@ -1218,6 +1222,7 @@ const char * const timep;
rp->r_todisstd = FALSE;
rp->r_todisgmt = FALSE;
*ep = '\0';
+ break;
case 'g': /* Greenwich */
case 'u': /* Universal */
case 'z': /* Zulu */
@@ -1249,7 +1254,11 @@ const char * const timep;
} else if (sscanf(cp, scheck(cp, "%d"), &rp->r_loyear) != 1) {
error(_("invalid starting year"));
return;
- }
+ } else if (noise)
+ if (rp->r_loyear < min_year_representable)
+ warning(_("starting year too low to be represented"));
+ else if (rp->r_loyear > max_year_representable)
+ warning(_("starting year too high to be represented"));
cp = hiyearp;
if ((lp = byword(cp, end_years)) != NULL) switch ((int) lp->l_value) {
case YR_MINIMUM:
@@ -1269,7 +1278,11 @@ const char * const timep;
} else if (sscanf(cp, scheck(cp, "%d"), &rp->r_hiyear) != 1) {
error(_("invalid ending year"));
return;
- }
+ } else if (noise)
+ if (rp->r_loyear < min_year_representable)
+ warning(_("starting year too low to be represented"));
+ else if (rp->r_loyear > max_year_representable)
+ warning(_("starting year too high to be represented"));
if (rp->r_loyear > rp->r_hiyear) {
error(_("starting year greater than ending year"));
return;