/*
* $Id$
- *
- * Miscellaneous routines
*/
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
-#include <sys/time.h>
+/**
+ * \defgroup FormatDates Miscellaneous routines formating dates
+ * \ingroup Calendaring
+ */
+/*@{*/
#include "webcit.h"
#include "webserver.h"
-typedef unsigned char byte;
+typedef unsigned char byte; /**< a byte. */
-#define FALSE 0
-#define TRUE 1
+#define FALSE 0 /**< no. */
+#define TRUE 1 /**< yes. */
-char *ascmonths[] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-};
+/**
+ * \brief Wrapper around strftime() or strftime_l()
+ * depending upon how our build is configured.
+ *
+ * \param s String target buffer
+ * \param max Maximum size of string target buffer
+ * \param format strftime() format
+ * \param tm Input date/time
+ */
+size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm)
+{
+#ifdef ENABLE_NLS
+ if (wc_locales[WC->selected_language] == NULL) {
+ return strftime(s, max, format, tm);
+ }
+ else {
+ return strftime_l(s, max, format, tm, wc_locales[WC->selected_language]);
+ }
+#else
+ return strftime(s, max, format, tm);
+#endif
+}
-char *ascdays[] = {
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
-};
-/*
- * Format a date/time stamp for output
+/**
+ * \brief Format a date/time stamp for output
+ * \param buf the output buffer
+ * \param thetime time to convert to string
+ * \param brief do we want compact view?????
*/
void fmt_date(char *buf, time_t thetime, int brief)
{
struct tm today_tm;
time_t today_timet;
int hour;
- char calhourformat[16];
-
- get_preference("calhourformat", calhourformat, sizeof calhourformat);
-
+ int time_format;
+
+ time_format = get_time_format_cached ();
today_timet = time(NULL);
localtime_r(&today_timet, &today_tm);
if (brief) {
+ /** If date == today, show only the time */
if ((tm.tm_year == today_tm.tm_year)
&&(tm.tm_mon == today_tm.tm_mon)
&&(tm.tm_mday == today_tm.tm_mday)) {
- if (!strcasecmp(calhourformat, "24")) {
- sprintf(buf, "%2d:%02d",
- tm.tm_hour, tm.tm_min
- );
- }
- else {
- sprintf(buf, "%2d:%02d%s",
- hour, tm.tm_min,
- ((tm.tm_hour >= 12) ? "pm" : "am")
- );
- }
+ if (time_format == WC_TIMEFORMAT_24)
+ wc_strftime(buf, 32, "%k:%M", &tm);
+ else
+ wc_strftime(buf, 32, "%l:%M%p", &tm);
}
+ /** Otherwise, for messages up to 6 months old, show the
+ * month and day, and the time */
+ else if (today_timet - thetime < 15552000) {
+ if (time_format == WC_TIMEFORMAT_24)
+ wc_strftime(buf, 32, "%b %d %k:%M", &tm);
+ else
+ wc_strftime(buf, 32, "%b %d %l:%M%p", &tm);
+ }
+ /** older than 6 months, show only the date */
else {
- sprintf(buf, "%s %d %d",
- ascmonths[tm.tm_mon],
- tm.tm_mday,
- tm.tm_year + 1900
- );
+ wc_strftime(buf, 32, "%b %d %Y", &tm);
}
}
else {
- if (!strcasecmp(calhourformat, "24")) {
- sprintf(buf, "%s %d %d %2d:%02d",
- ascmonths[tm.tm_mon],
- tm.tm_mday,
- tm.tm_year + 1900,
- tm.tm_hour, tm.tm_min
- );
- }
- else {
- sprintf(buf, "%s %d %d %2d:%02d%s",
- ascmonths[tm.tm_mon],
- tm.tm_mday,
- tm.tm_year + 1900,
- hour, tm.tm_min, ((tm.tm_hour >= 12) ? "pm" : "am")
- );
- }
+ wc_strftime(buf, 32, "%c", &tm);
}
}
+/**
+ * \brief learn the users timeformat preference.
+ */
+int get_time_format_cached (void)
+{
+ char calhourformat[16];
+ int *time_format_cache;
+ time_format_cache = &(WC->time_format_cache);
+ if (*time_format_cache == WC_TIMEFORMAT_NONE)
+ {
+ get_preference("calhourformat", calhourformat, sizeof calhourformat);
+ if (!strcasecmp(calhourformat, "24"))
+ *time_format_cache = WC_TIMEFORMAT_24;
+ else
+ *time_format_cache = WC_TIMEFORMAT_AMPM;
+ }
+ return *time_format_cache;
+}
-/*
- * Format TIME ONLY for output
+/**
+ * \brief Format TIME ONLY for output
+ * \param buf the output buffer
+ * \param thetime time to format into buf
*/
void fmt_time(char *buf, time_t thetime)
{
struct tm *tm;
int hour;
- char calhourformat[16];
-
- get_preference("calhourformat", calhourformat, sizeof calhourformat);
-
+ int time_format;
+
+ time_format = get_time_format_cached ();
buf[0] = 0;
tm = localtime(&thetime);
hour = tm->tm_hour;
else if (hour > 12)
hour = hour - 12;
- if (!strcasecmp(calhourformat, "24")) {
+ if (time_format == WC_TIMEFORMAT_24) {
sprintf(buf, "%2d:%02d",
tm->tm_hour, tm->tm_min
);
-/*
- * Format a date/time stamp to the format used in HTTP headers
+/**
+ * \brief Break down the timestamp used in HTTP headers
+ * Should read rfc1123 and rfc850 dates OK
+ * \todo FIXME won't read asctime
+ * Doesn't understand timezone, but we only should be using GMT/UTC anyway
+ * \param buf time to parse
+ * \return the time found in buf
*/
-void httpdate(char *buf, time_t thetime)
+time_t httpdate_to_timestamp(char *buf)
{
- struct tm *tm;
-
- buf[0] = 0;
- tm = localtime(&thetime);
-
- sprintf(buf, "%s, %02d %s %4d %02d:%02d:%02d",
- ascdays[tm->tm_wday],
- tm->tm_mday,
- ascmonths[tm->tm_mon],
- tm->tm_year + 1900, tm->tm_hour, tm->tm_min, tm->tm_sec);
+ time_t t = 0;
+ struct tm tt;
+ char *c;
+ char tz[256];
+
+ /** Skip day of week, to number */
+ for (c = buf; *c != ' '; c++)
+ ;
+ c++;
+
+ /* Get day of month */
+ tt.tm_mday = atoi(c);
+ for (; *c != ' ' && *c != '-'; c++);
+ c++;
+
+ /** Get month */
+ switch (*c) {
+ case 'A': /** April, August */
+ tt.tm_mon = (c[1] == 'p') ? 3 : 7;
+ break;
+ case 'D': /** December */
+ tt.tm_mon = 11;
+ break;
+ case 'F': /** February */
+ tt.tm_mon = 1;
+ break;
+ case 'M': /** March, May */
+ tt.tm_mon = (c[2] == 'r') ? 2 : 4;
+ break;
+ case 'J': /** January, June, July */
+ tt.tm_mon = (c[2] == 'n') ? ((c[1] == 'a') ? 0 : 5) : 6;
+ break;
+ case 'N': /** November */
+ tt.tm_mon = 10;
+ break;
+ case 'O': /** October */
+ tt.tm_mon = 9;
+ break;
+ case 'S': /** September */
+ tt.tm_mon = 8;
+ break;
+ default:
+ return 42;
+ break; /** NOTREACHED */
+ }
+ c += 4;
+
+ tt.tm_year = 0;
+ /** Get year */
+ tt.tm_year = atoi(c);
+ for (; *c != ' '; c++);
+ c++;
+ if (tt.tm_year >= 1900)
+ tt.tm_year -= 1900;
+
+ /** Get hour */
+ tt.tm_hour = atoi(c);
+ for (; *c != ':'; c++);
+ c++;
+
+ /** Get minute */
+ tt.tm_min = atoi(c);
+ for (; *c != ':'; c++);
+ c++;
+
+ /** Get second */
+ tt.tm_sec = atoi(c);
+ for (; *c && *c != ' '; c++);
+
+ /** Got everything; let's go */
+ /** First, change to UTC */
+ if (getenv("TZ"))
+ sprintf(tz, "TZ=%s", getenv("TZ"));
+ else
+ strcpy(tz, "TZ=");
+ putenv("TZ=UTC");
+ tzset();
+ t = mktime(&tt);
+ putenv(tz);
+ tzset();
+ return t;
}
-
+/*@}*/
projects / citadel.git / blobdiff