Replace the time_t-based timespec_secs_to_given_string with gnc-date functions.

Thus saving having to write gnc_timegm.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@22613 57a11ea4-9604-0410-9ed3-97b8803252fd

src/backend/xml/sixtp-dom-generators.c

@@ -27,6 +27,7 @@
 #include <glib.h>
 
 #include "gnc-xml-helper.h"
+#include <gnc-date.h>
 
 #include "sixtp-dom-generators.h"
 #include "sixtp-utils.h"
@@ -120,20 +121,21 @@ commodity_ref_to_dom_tree(const char *tag, const gnc_commodity *c)
     return ret;
 }
 
+/* gnc_g_date_time_new_from_timespec_local normalizes the timespec,
+ * but we want to serialize it un-normalized, so we make a partial
+ * copy.
+ */
 gchar *
 timespec_sec_to_string(const Timespec *ts)
 {
-    gchar *ret;
+     gchar *time_string;
-
+     GDateTime *gdt;
-    ret = g_new(gchar, TIMESPEC_SEC_FORMAT_MAX);
+     Timespec sts = { ts->tv_sec, 0};
-
+     gdt = gnc_g_date_time_new_from_timespec_local (sts);
-    if (!timespec_secs_to_given_string (ts, ret))
+     g_return_val_if_fail (gdt != NULL, NULL);
-    {
+     time_string = g_date_time_format (gdt, "%Y-%m-%d %H:%M:%S %z");
-        g_free(ret);
+     g_date_time_unref (gdt);
-        return NULL;
+     return time_string;
-    }
-
-    return ret;
 }
 
 gchar *

src/backend/xml/sixtp-utils.c

@@ -30,7 +30,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <time.h>
 
 #include "sixtp.h"
 #include "sixtp-utils.h"
@@ -41,9 +40,7 @@
 #ifndef HAVE_STRPTIME
 #include "strptime.h"
 #endif
-#ifndef HAVE_LOCALTIME_R
+#include <gnc-date.h>
-#include "localtime_r.h"
-#endif
 #endif
 
 static QofLogModule log_module = GNC_MOD_IO;
@@ -392,42 +389,6 @@ simple_chars_only_parser_new(sixtp_end_handler end_handler)
                SIXTP_NO_MORE_HANDLERS);
 }
 
-
-#ifdef HAVE_TIMEGM
-#  define gnc_timegm timegm
-#else /* !HAVE_TIMEGM */
-
-/* This code originates from GLib 2.12, gtimer.c and works until the year 2100
- * or the system-dependent maximal date that can be represented by a time_t,
- * whatever comes first.  The old implementation called mktime after setting
- * the environment variable TZ to UTC.  It did not work on Windows, at least.
- */
-static const gint days_before[] =
-{
-    0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
-};
-
-static time_t
-gnc_timegm (struct tm *tm)
-{
-    time_t retval;
-    if (tm->tm_mon < 0 || tm->tm_mon > 11)
-        return (time_t) - 1;
-
-    retval = (tm->tm_year - 70) * 365;
-    retval += (tm->tm_year - 68) / 4;
-    retval += days_before[tm->tm_mon] + tm->tm_mday - 1;
-
-    if (tm->tm_year % 4 == 0 && tm->tm_mon < 2)
-        retval -= 1;
-
-    retval = ((((retval * 24) + tm->tm_hour) * 60) + tm->tm_min) * 60 + tm->tm_sec;
-
-    return retval;
-}
-#endif /* HAVE_TIMEGM */
-
-
 /****************************************************************************/
 /* generic timespec handler.
 
@@ -529,47 +490,6 @@ string_to_timespec_nsecs(const gchar *str, Timespec *ts)
     return(TRUE);
 }
 
-gboolean
-timespec_secs_to_given_string (const Timespec *ts, gchar *str)
-{
-    struct tm parsed_time;
-    size_t num_chars;
-    time_t tmp_time;
-    long int tz;
-    int minutes;
-    int hours;
-    int sign;
-
-    if (!ts || !str)
-        return FALSE;
-
-    tmp_time = ts->tv_sec;
-
-    if (!localtime_r(&tmp_time, &parsed_time))
-        return FALSE;
-
-    num_chars = qof_strftime(str, TIMESPEC_SEC_FORMAT_MAX,
-                             TIMESPEC_TIME_FORMAT, &parsed_time);
-    if (num_chars == 0)
-        return FALSE;
-
-    str += num_chars;
-
-    tz = gnc_timezone (&parsed_time);
-
-    /* gnc_timezone is seconds west of UTC */
-    sign = (tz > 0) ? -1 : 1;
-
-    minutes = ABS (tz) / 60;
-    hours = minutes / 60;
-    minutes -= hours * 60;
-
-    g_snprintf (str, TIMESPEC_SEC_FORMAT_MAX - num_chars,
-                " %c%02d%02d", (sign > 0) ? '+' : '-', hours, minutes);
-
-    return TRUE;
-}
-
 /* Top level timespec node:
 
    input: user end handler *

src/backend/xml/sixtp-utils.h

@@ -87,10 +87,6 @@ sixtp* simple_chars_only_parser_new(sixtp_end_handler end_handler);
 gboolean string_to_timespec_secs(const gchar *str, Timespec *ts);
 gboolean string_to_timespec_nsecs(const gchar *str, Timespec *ts);
 
-/* str must have length of at least TIMESPEC_SEC_FORMAT_MAX */
-gboolean timespec_secs_to_given_string (const Timespec *ts, gchar *str);
-
-
 gboolean generic_timespec_start_handler(GSList* sibling_data,
                                         gpointer parent_data,
                                         gpointer global_data,