unsigned long lib$add_times(const void *time1a, const void *time2a,
void *result)
{
const struct TIME* time1 = (const struct TIME*) time1a;
const struct TIME* time2 = (const struct TIME*) time2a;
if (time1->time[7] & 0x80)
{
if (time2->time[7] & 0x80)
{
return lib$addx(time1,time2,result,NULL);
}
else
{
return lib$subx(time2,time1,result,NULL);
}
}
else
{
if (time2->time[7] & 0x80)
{
return lib$subx(time1,time2,result,NULL);
}
else
{
return LIB$_ONEDELTIM;
}
}
}
static void
ualarm_AST(Alarm *a)
{
int iss;
unsigned long now[2];
iss = sys$gettim(now);
if (VMSERR(iss)) lib$signal(iss);
if (a->function == UAL_SET || a->function == UAL_CLEAR) {
if (a0->function == UAL_ACTIVE) {
iss = sys$cantim(a0,PSL$C_USER);
if (VMSERR(iss)) lib$signal(iss);
iss = lib$subx(a0->remain, now, a->remain);
if (VMSERR(iss)) lib$signal(iss);
if (a->remain[1] & 0x80000000)
a->remain[0] = a->remain[1] = 0;
}
if (a->function == UAL_SET) {
a->function = a0->function;
a0->function = UAL_ACTIVE;
a0->repeat = a->repeat;
if (a0->repeat) {
a0->interval[0] = a->interval[0];
a0->interval[1] = a->interval[1];
}
a0->delay[0] = a->delay[0];
a0->delay[1] = a->delay[1];
iss = lib$subx(now, a0->delay, a0->remain);
if (VMSERR(iss)) lib$signal(iss);
iss = sys$setimr(0,a0->delay,ualarm_AST,a0);
if (VMSERR(iss)) lib$signal(iss);
} else {
a->function = a0->function;
a0->function = UAL_NULL;
}
iss = sys$setef(alarm_ef);
if (VMSERR(iss)) lib$signal(iss);
} else if (a->function == UAL_ACTIVE) {
if (a->repeat) {
iss = lib$subx(now, a->interval, a->remain);
if (VMSERR(iss)) lib$signal(iss);
iss = sys$setimr(0,a->interval,ualarm_AST,a);
if (VMSERR(iss)) lib$signal(iss);
} else {
a->function = UAL_NULL;
}
iss = sys$wake(0,0);
if (VMSERR(iss)) lib$signal(iss);
lib$signal(SS$_ASTFLT);
} else {
lib$signal(SS$_BADPARAM);
}
}
static pwr_tTime *
vms_to_abs (
pwr_tStatus *status,
pwr_tTime *tp,
time_tOs *vt
)
{
time_tOs tmp;
time_tOs time;
time_tOs ofs = {0x4beb4000, 0x007c9567};
int divisor = 10000000;
struct tm *tmpTm;
unsigned long t = 0;
pwr_dStatus(sts, status, TIME__SUCCESS);
if (tp == NULL)
tp = (pwr_tTime *) &time;
*sts = lib$subx(vt, &ofs, &tmp);
if (EVEN(*sts)) return NULL;
*sts = lib$ediv(&divisor, &tmp, &tp->tv_sec, &tp->tv_nsec);
if (EVEN(*sts)) return NULL;
tp->tv_nsec *= 100;
/* Get the time zone offset. */
tmpTm = localtime(&tp->tv_sec);
tp->tv_sec -= tmpTm->tm_gmtoff - tmpTm->tm_isdst * 3600;
return tp;
}
static void
us_to_VMS(useconds_t mseconds, unsigned long v[])
{
int iss;
unsigned long qq[2];
qq[0] = mseconds;
qq[1] = 0;
v[0] = v[1] = 0;
iss = lib$addx(qq,qq,qq);
if (VMSERR(iss)) lib$signal(iss);
iss = lib$subx(v,qq,v);
if (VMSERR(iss)) lib$signal(iss);
iss = lib$addx(qq,qq,qq);
if (VMSERR(iss)) lib$signal(iss);
iss = lib$subx(v,qq,v);
if (VMSERR(iss)) lib$signal(iss);
iss = lib$subx(v,qq,v);
if (VMSERR(iss)) lib$signal(iss);
}
static void
file_cvttime(
unsigned int *curtime,
time_t *unixtime )
{
static const size_t divisor = 10000000;
static unsigned int bastim[2] = { 0x4BEB4000, 0x007C9567 }; /* 1/1/1970 */
int delta[2], remainder;
lib$subx( curtime, bastim, delta );
lib$ediv( &divisor, delta, unixtime, &remainder );
}
int
clock_gettime (
clockid_t clockid,
struct timespec *pt
)
{
unsigned long sts;
pwr_tVaxTime vt;
pwr_tVaxTime tmp;
pwr_tVaxTime ofs = {0x4beb4000, 0x007c9567};
int divisor = 10000000;
struct tm *tmpTm;
unsigned long t = 0;
if (clockid != CLOCK_REALTIME) {
errno = EINVAL;
return -1;
}
sts = sys$gettim(&vt);
sts = lib$subx(&vt, &ofs, &tmp);
if (EVEN(sts)) {
errno = sts;
return -1;
}
sts = lib$ediv(&divisor, &tmp, &pt->tv_sec, &pt->tv_nsec);
if (EVEN(sts)) {
errno = sts;
return -1;
}
pt->tv_nsec *= 100;
tmpTm = localtime(&pt->tv_sec);
pt->tv_sec -= tmpTm->tm_gmtoff - tmpTm->tm_isdst * 3600;
return 0;
}
int
sysbintim (char *ci_, DATENT *obfr)
{
static char bigbfr[MAXBFR]; /* FIXME */
static char midbfr[MAXBFR];
$DESCRIPTOR(DSCx,bigbfr);
$DESCRIPTOR(midnite,midbfr);
DATENT base;
int j;
int num = strlen(ci_);
char *c_, *d_, *e_;
if (num >= (MAXBFR-1))
num = (MAXBFR-1);
for (j = 0; j < num; j++)
bigbfr[j] = _toupper(ci_[j]);
bigbfr[num] = '\0';
/*
* Compute the base of the current day, to use in keyword-dates:
*/
sys$gettim (obfr);
sysasctim (midbfr, obfr, MAXDAY);
strcpy (&midbfr[11], zeros);
midnite.dsc$a_pointer = midbfr;
midnite.dsc$w_length = strlen(midbfr);
sys$bintim (&midnite, obfr);
base = *obfr;
if (strabbr (bigbfr, "TODAY", num, 3))
num = 0;
else if (strabbr (bigbfr, "YESTERDAY", num, 1))
{
lib$subx (base, day, obfr, 0);
num = 0;
}
else if (strabbr (bigbfr, "TOMORROW", num, 3))
{
lib$addx (base, day, obfr, 0);
num = 0;
}
/*
* $BINTIM cannot parse the ':' used in DCL to separate date, time.
* Convert this to a trailing space and supply trailing zeros. Also,
* if the year and/or month is not given, supply these:
*/
else
{
register int dash = 0;
d_ = zeros;
for (c_ = bigbfr; *c_; c_++)
{
if (*c_ == '-')
dash++;
else
{
if (*c_ == ':' && dash) *c_ = ' ';
if (*c_ == ' ')
{
if (*d_) d_ += 3;
break;
}
if (ispunct(*c_) && *d_) d_ += 3;
}
}
if (*d_ && !dash) d_ += 3;
e_ = dash ? c_ : bigbfr;
if (*c_ || !dash)
{
if (*c_ == ' ') c_++;
while (*c_ && *d_)
{
if (ispunct(*c_)) d_ += 3;
c_++;
}
if (*d_) strcpy (c_, d_);
}
else /* Default to midnight for time */
strcpy (c_, zeros);
/*
* Insert month (mmm) and year (yyyy) if omitted, since
* $BINTIM does not permit *gaps*, but only loss of significance.
*/
if (dash < 2)
{
char time[sizeof(zeros)+2];
strcpy (time, e_);
*e_ = '\0';
if (dash == 1) /* dd-mmm given */
{
strncpy (e_, midbfr+6, 5);
strcpy (e_+5, time);
}
else /* dash==0, assume 'hh' of 'hh:mm' */
{
strcpy (bigbfr, midbfr);
strcpy (bigbfr+12, time);
}
}
DSCx.dsc$w_length = strlen(bigbfr);
if ((num = sys$bintim (&DSCx, obfr)) == SS$_NORMAL) num = 0;
}
return (num);
}
superint superint::operator -(superint x)// -重载
{
superint sub;
superint t;
t.strint=superint::strint;
int mark=0,m1=1,m2=1;
int n1,n2,n;
n1=t.strint.length();
n2=x.strint.length();
//倒置字符串
convert(t.strint);
convert(x.strint);
//检测是否为负数
if(t.strint[n1-1]==45)
{
n1--;
m1=-1;
t.strint.resize(n1);//消除负号
}
if(x.strint[n2-1]==45)
{
n2--;
m2=-1;
x.strint.resize(n2);//消除负号
}
n=n1>n2?n1:n2;
//补齐字符串
if(n==n1)
{
for(int i=0;i<n1-n2;i++) x.strint+="0";
}
else
{
for(int i=0;i<n2-n1;i++) t.strint+="0";
}
//符号相同
if(m1==m2)
{
superint subx("1");
int x1,x2,tem;
for(int i=0;i<n;i++)
{
x1=char_to_int(t.strint[i]);
x2=char_to_int(x.strint[i]);
tem=x1-x2+mark;
if(tem<0)
{
mark=-1;
tem+=10;
}
else mark=0;
sub.strint+=int_to_char(tem);
}
remove0(sub.strint);
convert(sub.strint);
if(mark==-1)
{
int ti=sub.strint.length();
for(int i=0;i<ti;i++) subx.strint+="0";
sub=subx-sub;
sub=-sub;
}
if(m1+m2==-2) sub=-sub;
}
//符号相异
convert(t.strint);
convert(x.strint);
if(m1>m2) sub=t+x;
if(m1<m2)
{
sub=t+x;
sub=-sub;
}
return sub;
}
