/*
- * $Id$
- *
* Function to generate RFC822-compliant textual time/date stamp
- *
*/
+#include "sysdep.h"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
* Supplied with a unix timestamp, generate an RFC822-compliant textual
* time and date stamp.
*/
-void generate_rfc822_datestamp(char *buf, time_t xtime) {
- struct tm *t;
-
- t = localtime(&xtime);
-
- sprintf(buf, "%s, %02d %s %04d %02d:%02d:%02d %s",
- weekdays[t->tm_wday],
- t->tm_mday,
- months[t->tm_mon],
- t->tm_year + 1900,
- t->tm_hour,
- t->tm_min,
- t->tm_sec,
- tzname[0]
- );
-}
+long datestring(char *buf, size_t n, time_t xtime, int which_format) {
+ struct tm t;
+
+ long offset;
+ char offsign;
+
+ localtime_r(&xtime, &t);
+
+ /* Convert "seconds west of GMT" to "hours/minutes offset" */
+#ifdef HAVE_STRUCT_TM_TM_GMTOFF
+ offset = t.tm_gmtoff;
+#else
+ offset = timezone;
+#endif
+ if (offset > 0) {
+ offsign = '+';
+ }
+ else {
+ offset = 0L - offset;
+ offsign = '-';
+ }
+ offset = ( (offset / 3600) * 100 ) + ( offset % 60 );
+ switch(which_format) {
+
+ case DATESTRING_RFC822:
+ return snprintf(
+ buf, n,
+ "%s, %02d %s %04d %02d:%02d:%02d %c%04ld",
+ weekdays[t.tm_wday],
+ t.tm_mday,
+ months[t.tm_mon],
+ t.tm_year + 1900,
+ t.tm_hour,
+ t.tm_min,
+ t.tm_sec,
+ offsign, offset
+ );
+ break;
+
+ case DATESTRING_IMAP:
+ return snprintf(
+ buf, n,
+ "%02d-%s-%04d %02d:%02d:%02d %c%04ld",
+ t.tm_mday,
+ months[t.tm_mon],
+ t.tm_year + 1900,
+ t.tm_hour,
+ t.tm_min,
+ t.tm_sec,
+ offsign, offset
+ );
+ break;
+
+ }
+ return 0;
+}