rainlance/amiga-tz
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floating work

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SCCS-file: zdump.c
SCCS-SID: 7.51
This commit is contained in:
Arthur David Olson
2004-11-18 13:46:26 -05:00
committed by Paul Eggert
parent 9f0ba95e40
commit 70b5d0e8f1
1 changed files with 17 additions and 8 deletions
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25
zdump.c
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@ -1,5 +1,4 @@
/*
** XXX--handle systems where time_t is floating
** XXX--handle systems where asctime/localtime return NULL
*/
@ -16,6 +15,7 @@ static char elsieid[] = "%W%";
#include "sys/types.h" /* for time_t */
#include "time.h" /* for struct tm */
#include "stdlib.h" /* for exit, malloc, atoi */
#include "float.h" /* for FLT_MIN, FLT_MAX, et al. */
#ifndef ZDUMP_LO_YEAR
#define ZDUMP_LO_YEAR (-1000)
@ -170,7 +170,7 @@ char * argv[];
register long cuthiyear = ZDUMP_HI_YEAR;
register time_t cutlotime;
register time_t cuthitime;
char ** fakeenv;
register char ** fakeenv;
time_t now;
time_t t;
time_t newt;
@ -313,9 +313,18 @@ setabsolutes()
/*
** time_t is floating.
*/
(void) fprintf(stderr, _("%s: cannot use -v on system with floating time_t\n"),
progname);
(void) exit(EXIT_FAILURE);
if (sizeof (time_t) == sizeof (float)) {
absolute_min_time = (time_t) FLT_MIN;
absolute_max_time = (time_t) FLT_MAX;
} else if (sizeof (time_t) == sizeof (double)) {
absolute_min_time = (time_t) DBL_MIN;
absolute_max_time = (time_t) DBL_MAX;
} else {
(void) fprintf(stderr,
_("%s: use of -v on system with floating time_t other than float or double\n"),
progname);
(void) exit(EXIT_FAILURE);
}
} else if (0 > (time_t) -1) {
/*
** time_t is signed.
@ -404,8 +413,8 @@ delta(newp, oldp)
struct tm * newp;
struct tm * oldp;
{
long result;
int tmy;
register long result;
register int tmy;
if (newp->tm_year < oldp->tm_year)
return -delta(oldp, newp);
@ -428,7 +437,7 @@ char * zone;
time_t t;
int v;
{
struct tm * tmp;
register struct tm * tmp;
(void) printf("%-*s ", (int) longest, zone);
if (v) {