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-rw-r--r--usr.sbin/zic/zic.c110
1 files changed, 68 insertions, 42 deletions
diff --git a/usr.sbin/zic/zic.c b/usr.sbin/zic/zic.c
index 040a605..1a046ff 100644
--- a/usr.sbin/zic/zic.c
+++ b/usr.sbin/zic/zic.c
@@ -1,15 +1,17 @@
-#ifndef lint
-#ifndef NOID
-static char elsieid[] = "@(#)zic.c 7.96";
-#endif /* !defined NOID */
-#endif /* !defined lint */
+static char elsieid[] = "@(#)zic.c 7.116";
#include "private.h"
#include "locale.h"
#include "tzfile.h"
-#ifdef unix
-#include "sys/stat.h" /* for umask manifest constants */
-#endif /* defined unix */
+
+#if HAVE_SYS_STAT_H
+#include "sys/stat.h"
+#endif
+#ifdef S_IRUSR
+#define MKDIR_UMASK (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
+#else
+#define MKDIR_UMASK 0755
+#endif
/*
** On some ancient hosts, predicates like `isspace(C)' are defined
@@ -440,7 +442,7 @@ const char * const string;
static void
usage P((void))
{
- (void) fprintf(stderr, _("%s: usage is %s [ -s ] [ -v ] [ -l localtime ] [ -p posixrules ] [ -d directory ]\n\t[ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n"),
+ (void) fprintf(stderr, _("%s: usage is %s [ --version ] [ -s ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n"),
progname, progname);
(void) exit(EXIT_FAILURE);
}
@@ -472,6 +474,11 @@ char * argv[];
(void) textdomain(TZ_DOMAIN);
#endif /* HAVE_GETTEXT - 0 */
progname = argv[0];
+ for (i = 1; i < argc; ++i)
+ if (strcmp(argv[i], "--version") == 0) {
+ (void) printf("%s\n", elsieid);
+ (void) exit(EXIT_SUCCESS);
+ }
while ((c = getopt(argc, argv, "d:l:p:L:vsy:")) != EOF && c != -1)
switch (c) {
default:
@@ -563,12 +570,18 @@ _("%s: More than one -L option specified\n"),
/*
** Make links.
*/
- for (i = 0; i < nlinks; ++i)
+ for (i = 0; i < nlinks; ++i) {
+ eat(links[i].l_filename, links[i].l_linenum);
dolink(links[i].l_from, links[i].l_to);
- if (lcltime != NULL)
+ }
+ if (lcltime != NULL) {
+ eat("command line", 1);
dolink(lcltime, TZDEFAULT);
- if (psxrules != NULL)
+ }
+ if (psxrules != NULL) {
+ eat("command line", 1);
dolink(psxrules, TZDEFRULES);
+ }
return (errors == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
@@ -605,12 +618,22 @@ const char * const tofile;
if (mkdirs(toname) != 0)
(void) exit(EXIT_FAILURE);
+
result = link(fromname, toname);
-#if (HAVE_SYMLINK - 0)
- if (result != 0) {
- result = symlink(fromname, toname);
+#if (HAVE_SYMLINK - 0)
+ if (result != 0 &&
+ access(fromname, F_OK) == 0 &&
+ !itsdir(fromname)) {
+ const char *s = tofile;
+ register char * symlinkcontents = NULL;
+ while ((s = strchr(s+1, '/')) != NULL)
+ symlinkcontents = ecatalloc(symlinkcontents, "../");
+ symlinkcontents = ecatalloc(symlinkcontents, fromfile);
+
+ result = symlink(symlinkcontents, toname);
if (result == 0)
warning(_("hard link failed, symbolic link used"));
+ ifree(symlinkcontents);
}
#endif
if (result != 0) {
@@ -908,6 +931,8 @@ const int signable;
error(errstring);
return 0;
}
+ if (noise && hh == HOURSPERDAY)
+ warning(_("24:00 not handled by pre-1998 versions of zic"));
return eitol(sign) *
(eitol(hh * MINSPERHOUR + mm) *
eitol(SECSPERMIN) + eitol(ss));
@@ -1132,14 +1157,15 @@ const int nfields;
error(_("time before zero"));
return;
}
- t = (time_t) dayoff * SECSPERDAY;
- /*
- ** Cheap overflow check.
- */
- if (t / SECSPERDAY != dayoff) {
- error(_("time overflow"));
+ if (dayoff < min_time / SECSPERDAY) {
+ error(_("time too small"));
+ return;
+ }
+ if (dayoff > max_time / SECSPERDAY) {
+ error(_("time too large"));
return;
}
+ t = (time_t) dayoff * SECSPERDAY;
tod = gethms(fields[LP_TIME], _("invalid time of day"), FALSE);
cp = fields[LP_CORR];
{
@@ -1292,9 +1318,9 @@ const char * const timep;
return;
} else if (noise) {
if (rp->r_loyear < min_year_representable)
- warning(_("starting year too low to be represented"));
+ warning(_("ending year too low to be represented"));
else if (rp->r_loyear > max_year_representable)
- warning(_("starting year too high to be represented"));
+ warning(_("ending year too high to be represented"));
}
if (rp->r_loyear > rp->r_hiyear) {
error(_("starting year greater than ending year"));
@@ -1585,16 +1611,16 @@ const int zonecount;
typecnt = 0;
charcnt = 0;
/*
- ** A guess that may well be corrected later.
- */
- stdoff = 0;
- /*
** Thanks to Earl Chew (earl@dnd.icp.nec.com.au)
** for noting the need to unconditionally initialize startttisstd.
*/
startttisstd = FALSE;
startttisgmt = FALSE;
for (i = 0; i < zonecount; ++i) {
+ /*
+ ** A guess that may well be corrected later.
+ */
+ stdoff = 0;
zp = &zpfirst[i];
usestart = i > 0 && (zp - 1)->z_untiltime > min_time;
useuntil = i < (zonecount - 1);
@@ -1614,8 +1640,7 @@ const int zonecount;
if (usestart) {
addtt(starttime, type);
usestart = FALSE;
- }
- else if (stdoff != 0)
+ } else if (stdoff != 0)
addtt(min_time, type);
} else for (year = min_year; year <= max_year; ++year) {
if (useuntil && year > zp->z_untilrule.r_hiyear)
@@ -1892,10 +1917,12 @@ const char * const type;
buf = erealloc(buf, (int) (132 + strlen(yitcommand) + strlen(type)));
(void) sprintf(buf, "%s %d %s", yitcommand, year, type);
result = system(buf);
- if (result == 0)
- return TRUE;
- if (result == (1 << 8))
- return FALSE;
+ if (WIFEXITED(result)) switch (WEXITSTATUS(result)) {
+ case 0:
+ return TRUE;
+ case 1:
+ return FALSE;
+ }
error(_("Wild result from command execution"));
(void) fprintf(stderr, _("%s: command was '%s', result was %d\n"),
progname, buf, result);
@@ -2112,18 +2139,17 @@ register const int wantedy;
--i;
}
if (i < 0 || i >= len_months[isleap(y)][m]) {
- error(_("no day in month matches rule"));
- (void) exit(EXIT_FAILURE);
+ if (noise)
+ warning(_("rule goes past start/end of month--will not work with pre-2004 versions of zic"));
}
}
if (dayoff < 0 && !TYPE_SIGNED(time_t))
return min_time;
+ if (dayoff < min_time / SECSPERDAY)
+ return min_time;
+ if (dayoff > max_time / SECSPERDAY)
+ return max_time;
t = (time_t) dayoff * SECSPERDAY;
- /*
- ** Cheap overflow check.
- */
- if (t / SECSPERDAY != dayoff)
- return (dayoff > 0) ? max_time : min_time;
return tadd(t, rp->r_tod);
}
@@ -2171,7 +2197,7 @@ char * const argname;
** created by some other multiprocessor, so we get
** to do extra checking.
*/
- if (mkdir(name, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) != 0) {
+ if (mkdir(name, MKDIR_UMASK) != 0) {
const char *e = strerror(errno);
if (errno != EEXIST || !itsdir(name)) {
@@ -2206,5 +2232,5 @@ const int i;
}
/*
-** UNIX was a registered trademark of UNIX System Laboratories in 1993.
+** UNIX was a registered trademark of The Open Group in 2003.
*/
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