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Well, the comment was worth keeping... 

svn path=/trunk/boinc/; revision=5358
This commit is contained in:
Bruce Allen 2005-02-08 07:07:19 +00:00
parent d0098e38f3
commit 3b99622e22
1 changed files with 16 additions and 20 deletions
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36
sched/sched_send.C
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@ -263,36 +263,32 @@ typedef struct urltag {
} URLTYPE;
// these global variables are needed to pass information into the
// compare function below.
//
static int tzone=0;
static int hostid=0;
// Evaluate differences between time-zone. Two time zones that differ
// by almost 24 hours are actually very close on the surface of the
// earth. This function finds the 'shortest way around'
//
static int mod_24_hours(int x) {
const int twelve_hours=12*3600;
if (x < -twelve_hours)
x += 2*twelve_hours;
else if (x > twelve_hours)
x -= 2*twelve_hours;
return x;
}
// these global variables are needed to pass information into the
// compare function below.
static int tzone=0;
static int hostid=0;
static int compare(const void *x, const void *y) {
URLTYPE *a=(URLTYPE *)x;
URLTYPE *b=(URLTYPE *)y;
char longname[512];
int diffa = mod_24_hours(tzone - (a->zone));
int diffb = mod_24_hours(tzone - (b->zone));
const int twelve_hours = 12*3600;
diffa = abs(diffa);
diffb = abs(diffb);
int diffa = abs(tzone - (a->zone));
int diffb = abs(tzone - (b->zone));
if (diffa > twelve_hours)
diffa = 2*twelve_hours-diffa;
if (diffb > twelve_hours)
diffb = 2*twelve_hours-diffb;
if (diffa < diffb) {
return -1;