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#include "imap4d.h"
int
imap4date(Tm *tm, char *date)
{
if(tmparse(tm, "DD-?MM-YYYY hh:mm:ss ?Z", date, nil, nil) == nil)
return 0;
return 1;
}
/*
* parse imap4 dates
*/
ulong
imap4datetime(char *date)
{
Tm tm;
vlong s;
s = -1;
if(tmparse(&tm, "?DD-?MM-YYYY hh:mm:ss ?Z", date, nil, nil) != nil)
s = tmnorm(&tm);
else if(tmparse(&tm, "?W, ?DD-?MM-YYYY hh:mm:ss ?Z", date, nil, nil) != nil)
s = tmnorm(&tm);
if(s > 0 && s < (1ULL<<31))
return s;
return ~0;
}
/*
* parse dates of formats
* [Wkd[,]] DD Mon YYYY HH:MM:SS zone
* [Wkd] Mon ( D|DD) HH:MM:SS zone YYYY
* plus anything similar
* return nil for a failure
*/
Tm*
date2tm(Tm *tm, char *date)
{
char **f, *fmts[] = {
"?W, ?DD ?MMM YYYY hh:mm:ss ?Z",
"?W ?M ?DD hh:mm:ss ?Z YYYY",
"?W, DD-?MM-YY hh:mm:ss ?Z",
"?DD ?MMM YYYY hh:mm:ss ?Z",
"?M ?DD hh:mm:ss ?Z YYYY",
"DD-?MM-YYYY hh:mm:ss ?Z",
nil,
};
for(f = fmts; *f; f++)
if(tmparse(tm, *f, date, nil, nil) != nil)
return tm;
return nil;
}
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