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Code Issues Releases Wiki Activity

fix tv_usec in isc_time_nowplusinterval() also.

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This commit is contained in:
Mark Andrews
2001-02-24 10:22:20 +00:00
parent 0fd53e151b
commit 70ec7dd741
1 changed files with 36 additions and 21 deletions
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57
lib/isc/unix/time.c
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@@ -15,12 +15,13 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: time.c,v 1.32 2001/02/24 02:53:38 marka Exp $ */
/* $Id: time.c,v 1.33 2001/02/24 10:22:20 marka Exp $ */
#include <config.h>
#include <errno.h>
#include <limits.h>
#include <syslog.h>
#include <time.h>
#include <sys/time.h> /* Required for struct timeval on some platforms. */
@@ -52,6 +53,32 @@
static isc_interval_t zero_interval = { 0, 0 };
isc_interval_t *isc_interval_zero = &zero_interval;
#if ISC_FIX_TV_USEC
static inline void
fix_tv_usec(struct timeval *tv) {
isc_boolean_t fixed = ISC_FALSE;
if (tv->tv_usec < 0) {
fixed = ISC_TRUE;
do {
tv->tv_sec -= 1;
tv->tv_usec += US_PER_S;
} while (tv->tv_usec < 0);
} else if (tv->tv_usec >= US_PER_S) {
fixed = ISC_TRUE;
do {
tv->tv_sec += 1;
tv->tv_usec -= US_PER_S;
} while (tv->tv_usec >=US_PER_S);
}
/*
* Call syslog directly as was are called from the logging functions.
*/
if (fixed)
syslog(LOG_ERR, "gettimeofday returned bad tv_usec: corrected");
}
#endif
void
isc_interval_set(isc_interval_t *i,
unsigned int seconds, unsigned int nanoseconds)
@@ -139,9 +166,6 @@ isc_time_isepoch(isc_time_t *t) {
isc_result_t
isc_time_now(isc_time_t *t) {
struct timeval tv;
#if ISC_FIX_TV_USEC
isc_boolean_t fixed = ISC_FALSE;
#endif
/*
* Set *t to the current absolute time.
@@ -162,24 +186,9 @@ isc_time_now(isc_time_t *t) {
* certain things to be true ...
*/
#if ISC_FIX_TV_USEC
if (tv.tv_usec < 0) {
fixed = ISC_TRUE;
do {
tv.tv_sec -= 1;
tv.tv_usec += US_PER_S;
} while (tv.tv_usec < 0);
} else if (tv.tv_usec >= US_PER_S) {
fixed = ISC_TRUE;
do {
tv.tv_sec += 1;
tv.tv_usec -= US_PER_S;
} while (tv.tv_usec >=US_PER_S);
} else if (tv.tv_sec < 0)
fix_tv_usec(&tv);
if (tv.tv_sec < 0)
return (ISC_R_UNEXPECTED);
if (fixed)
isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
ISC_LOGMODULE_TIME, ISC_LOG_INFO,
"gettimeofday returned bad tv_usec: corrected");
#else
if (tv.tv_sec < 0 || tv.tv_usec < 0 || tv.tv_usec >= US_PER_S)
return (ISC_R_UNEXPECTED);
@@ -222,8 +231,14 @@ isc_time_nowplusinterval(isc_time_t *t, isc_interval_t *i) {
* happening are pretty much zero, but since the libisc library ensures
* certain things to be true ...
*/
#if ISC_FIX_TV_USEC
fix_tv_usec(&tv);
if (tv.tv_sec < 0)
return (ISC_R_UNEXPECTED);
#else
if (tv.tv_sec < 0 || tv.tv_usec < 0 || tv.tv_usec >= US_PER_S)
return (ISC_R_UNEXPECTED);
#endif
/*
* Ensure the resulting seconds value fits in the size of an