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-rw-r--r--timezone/zic.c149
1 files changed, 68 insertions, 81 deletions
diff --git a/timezone/zic.c b/timezone/zic.c
index 3cb0b171f0..5f8028e480 100644
--- a/timezone/zic.c
+++ b/timezone/zic.c
@@ -3,7 +3,7 @@
** 2006-07-17 by Arthur David Olson.
*/
-static char elsieid[] = "@(#)zic.c 8.14";
+static char elsieid[] = "@(#)zic.c 8.17";
#include "private.h"
#include "locale.h"
@@ -99,70 +99,66 @@ struct zone {
zic_t z_untiltime;
};
-extern int getopt P((int argc, char * const argv[],
- const char * options));
-extern int link P((const char * fromname, const char * toname));
+extern int getopt(int argc, char * const argv[],
+ const char * options);
+extern int link(const char * fromname, const char * toname);
extern char * optarg;
extern int optind;
-static void addtt P((zic_t starttime, int type));
-static int addtype P((long gmtoff, const char * abbr, int isdst,
- int ttisstd, int ttisgmt));
-static void leapadd P((zic_t t, int positive, int rolling, int count));
-static void adjleap P((void));
-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 * fromfield, const char * tofield));
-static void doabbr P((char * abbr, const char * format,
- const char * letters, int isdst, int doquotes));
-static void eat P((const char * name, int num));
-static void eats P((const char * name, int num,
- const char * rname, int rnum));
-static long eitol P((int i));
-static void error P((const char * message));
-static char ** getfields P((char * buf));
-static long gethms P((const char * string, const char * errstrng,
- int signable));
-static void infile P((const char * filename));
-static void inleap P((char ** fields, int nfields));
-static void inlink P((char ** fields, int nfields));
-static void inrule P((char ** fields, int nfields));
-static int inzcont P((char ** fields, int nfields));
-static int inzone P((char ** fields, int nfields));
-static int inzsub P((char ** fields, int nfields, int iscont));
-static int is32 P((zic_t x));
-static int itsabbr P((const char * abbr, const char * word));
-static int itsdir P((const char * name));
-static int lowerit P((int c));
-static char * memcheck P((char * tocheck));
-static int mkdirs P((char * filename));
-static void newabbr P((const char * abbr));
-static long oadd P((long t1, long t2));
-static void outzone P((const struct zone * zp, int ntzones));
-static void puttzcode P((long code, FILE * fp));
-static void puttzcode64 P((zic_t code, FILE * fp));
-static int rcomp P((const void * leftp, const void * rightp));
-static zic_t rpytime P((const struct rule * rp, int wantedy));
-static void rulesub P((struct rule * rp,
+static void addtt(zic_t starttime, int type);
+static int addtype(long gmtoff, const char * abbr, int isdst,
+ int ttisstd, int ttisgmt);
+static void leapadd(zic_t t, int positive, int rolling, int count);
+static void adjleap(void);
+static void associate(void);
+static int ciequal(const char * ap, const char * bp);
+static void convert(long val, char * buf);
+static void convert64(zic_t val, char * buf);
+static void dolink(const char * fromfield, const char * tofield);
+static void doabbr(char * abbr, const char * format,
+ const char * letters, int isdst, int doquotes);
+static void eat(const char * name, int num);
+static void eats(const char * name, int num,
+ const char * rname, int rnum);
+static long eitol(int i);
+static void error(const char * message);
+static char ** getfields(char * buf);
+static long gethms(const char * string, const char * errstrng,
+ int signable);
+static void infile(const char * filename);
+static void inleap(char ** fields, int nfields);
+static void inlink(char ** fields, int nfields);
+static void inrule(char ** fields, int nfields);
+static int inzcont(char ** fields, int nfields);
+static int inzone(char ** fields, int nfields);
+static int inzsub(char ** fields, int nfields, int iscont);
+static int is32(zic_t x);
+static int itsabbr(const char * abbr, const char * word);
+static int itsdir(const char * name);
+static int lowerit(int c);
+static char * memcheck(char * tocheck);
+static int mkdirs(char * filename);
+static void newabbr(const char * abbr);
+static long oadd(long t1, long t2);
+static void outzone(const struct zone * zp, int ntzones);
+static void puttzcode(long code, FILE * fp);
+static void puttzcode64(zic_t code, FILE * fp);
+static int rcomp(const void * leftp, const void * rightp);
+static zic_t rpytime(const struct rule * rp, int wantedy);
+static void rulesub(struct rule * rp,
const char * loyearp, const char * hiyearp,
const char * typep, const char * monthp,
- const char * dayp, const char * timep));
-static int stringoffset P((char * result, long offset));
-static int stringrule P((char * result, const struct rule * rp,
- long dstoff, long gmtoff));
-static void stringzone P((char * result,
- const struct zone * zp, int ntzones));
-static void setboundaries P((void));
-static zic_t tadd P((zic_t t1, long t2));
-static void usage P((void));
-static void writezone P((const char * name, const char * string));
-static int yearistype P((int year, const char * type));
-
-#if !HAVE_STRERROR
-static char * strerror P((int));
-#endif /* !HAVE_STRERROR */
+ const char * dayp, const char * timep);
+static int stringoffset(char * result, long offset);
+static int stringrule(char * result, const struct rule * rp,
+ long dstoff, long gmtoff);
+static void stringzone(char * result,
+ const struct zone * zp, int ntzones);
+static void setboundaries(void);
+static zic_t tadd(zic_t t1, long t2);
+static void usage(void);
+static void writezone(const char * name, const char * string);
+static int yearistype(int year, const char * type);
static int charcnt;
static int errors;
@@ -287,8 +283,8 @@ struct lookup {
const int l_value;
};
-static struct lookup const * byword P((const char * string,
- const struct lookup * lp));
+static struct lookup const * byword(const char * string,
+ const struct lookup * lp);
static struct lookup const line_codes[] = {
{ "Rule", LC_RULE },
@@ -405,19 +401,6 @@ char * const ptr;
** Error handling.
*/
-#if !HAVE_STRERROR
-static char *
-strerror(errnum)
-int errnum;
-{
- extern char * sys_errlist[];
- extern int sys_nerr;
-
- return (errnum > 0 && errnum <= sys_nerr) ?
- sys_errlist[errnum] : _("Unknown system error");
-}
-#endif /* !HAVE_STRERROR */
-
static void
eats(name, num, rname, rnum)
const char * const name;
@@ -471,7 +454,7 @@ const char * const string;
}
static void
-usage P((void))
+usage(void)
{
(void) fprintf(stderr, _("%s: usage is %s \
[ --version ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\
@@ -699,7 +682,7 @@ warning(_("hard link failed, symbolic link used"));
#define TIME_T_BITS_IN_FILE 64
static void
-setboundaries P((void))
+setboundaries(void)
{
register int i;
@@ -741,7 +724,7 @@ const void * cp2;
}
static void
-associate P((void))
+associate(void)
{
register struct zone * zp;
register struct rule * rp;
@@ -2012,7 +1995,8 @@ const int zonecount;
}
for (i = 0; i < zonecount; ++i) {
zp = &zpfirst[i];
- updateminmax(zp->z_untilrule.r_loyear);
+ if (i < zonecount - 1)
+ updateminmax(zp->z_untilrule.r_loyear);
for (j = 0; j < zp->z_nrules; ++j) {
rp = &zp->z_rules[j];
if (rp->r_lowasnum)
@@ -2043,8 +2027,11 @@ wp = ecpyalloc(_("no POSIX environment variable for zone"));
else max_year = INT_MAX;
}
/*
- ** For the benefit of older systems, generate data through 2037.
+ ** For the benefit of older systems,
+ ** generate data from 1900 through 2037.
*/
+ if (min_year > 1900)
+ min_year = 1900;
if (max_year < 2037)
max_year = 2037;
for (i = 0; i < zonecount; ++i) {
@@ -2331,7 +2318,7 @@ int count;
}
static void
-adjleap P((void))
+adjleap(void)
{
register int i;
register long last = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 08:55:13 +0000