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Eggert suggested changes

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SCCS-file: date.c
SCCS-SID: 7.31
This commit is contained in:
Arthur David Olson
2012-07-18 03:02:22 -04:00
committed by Paul Eggert
parent 3dc3d0dff7
commit f8151ae8a1
1 changed files with 36 additions and 1 deletions
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date.c
+36 -1
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@@ -40,6 +40,9 @@ static char sccsid[] = "@(#)date.c 4.23 (Berkeley) 9/20/88";
#endif /* HAVE_ADJTIME || HAVE_SETTIMEOFDAY */
#include "locale.h"
#include "utmp.h" /* for OLD_TIME (or its absence) */
#if HAVE_UTMPX_H
#include "utmpx.h"
#endif
/*
** The two things date knows about time are. . .
@@ -56,7 +59,6 @@ static char sccsid[] = "@(#)date.c 4.23 (Berkeley) 9/20/88";
extern double atof();
extern char ** environ;
extern char * getlogin();
extern int logwtmp();
extern time_t mktime();
extern char * optarg;
extern int optind;
@@ -344,6 +346,12 @@ const int nflag;
struct utmp before;
struct utmp after;
} s;
#if HAVE_UTMPX_H
static struct {
struct utmpx before;
struct utmpx after;
} sx;
#endif
/*
** Wouldn't it be great if stime returned the old time?
@@ -364,8 +372,33 @@ const int nflag;
oops("date: error: log file write");
if (close(fid) != 0)
oops("date: error: log file close");
#if !HAVE_UTMPX_H
pututline(&s.before);
pututline(&s.after);
#endif /* !HAVE_UTMPX_H */
#if HAVE_UTMPX_H
sx.before.ut_type = OLD_TIME;
sx.before.ut_tv.tv_sec = oldt;
(void) strcpy(sx.before.ut_line, OTIME_MSG);
sx.after.ut_type = NEW_TIME;
sx.after.ut_tv.tv_sec = newt;
(void) strcpy(sx.after.ut_line, NTIME_MSG);
#if !SUPPRESS_WTMPX_FILE_UPDATE
/* In Solaris 2.5 (and presumably other systems),
`date' does not update /var/adm/wtmpx.
This must be a bug. If you'd like to reproduce the bug,
define SUPPRESS_WTMPX_FILE_UPDATE to be nonzero. */
fid = open(WTMPX_FILE, O_WRONLY | O_APPEND);
if (fid < 0)
oops("date: error: log file open");
if (write(fid, (char *) &sx, sizeof sx) != sizeof sx)
oops("date: error: log file write");
if (close(fid) != 0)
oops("date: error: log file close");
#endif /* !SUPPRESS_WTMPX_FILE_UPDATE */
pututxline(&sx.before);
pututxline(&sx.after);
#endif /* HAVE_UTMPX_H */
}
#endif /* defined OLD_TIME */
@@ -397,6 +430,8 @@ const int nflag;
#define TSPTYPES
#include "protocols/timed.h"
extern int logwtmp();
#if HAVE_SETTIMEOFDAY == 1
#define settimeofday(t, tz) (settimeofday)(t)
#endif /* HAVE_SETTIMEOFDAY == 1 */