--- a/mcabber/src/utils.c Sat Jun 11 19:27:40 2005 +0000
+++ b/mcabber/src/utils.c Mon Jun 13 19:29:09 2005 +0000
@@ -1,9 +1,34 @@
+/*
+ * utils.c -- Various utility functions
+ *
+ * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net>
+ * ut_* functions are derived from Cabber debug/log code.
+ * from_iso8601() comes from the Gaim project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
+#include <config.h>
+
static int DebugEnabled;
static char *FName;
@@ -65,3 +90,99 @@
}
}
+// to_iso8601(dststr, timestamp)
+// Convert timestamp to iso8601 format, and store it in dststr.
+// NOTE: dststr should be at last 19 chars long.
+// Return should be 0
+int to_iso8601(char *dststr, time_t timestamp)
+{
+ struct tm *tm_time;
+ int ret;
+
+ tm_time = gmtime(×tamp);
+
+ ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ",
+ 1900+tm_time->tm_year, tm_time->tm_mon+1, tm_time->tm_mday,
+ tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec);
+
+ return ((ret == -1) ? -1 : 0);
+}
+
+// from_iso8601(timestamp, utc)
+// This function comes from the Gaim project, gaim_str_to_time().
+// (Actually date may not be pure iso-8601)
+// Thanks, guys!
+time_t from_iso8601(const char *timestamp, int utc)
+{
+ struct tm t;
+ time_t retval = 0;
+ char buf[32];
+ char *c;
+ int tzoff = 0;
+
+ time(&retval);
+ localtime_r(&retval, &t);
+
+ snprintf(buf, sizeof(buf), "%s", timestamp);
+ c = buf;
+
+ /* 4 digit year */
+ if (!sscanf(c, "%04d", &t.tm_year)) return 0;
+ c+=4;
+ if (*c == '-')
+ c++;
+
+ t.tm_year -= 1900;
+
+ /* 2 digit month */
+ if (!sscanf(c, "%02d", &t.tm_mon)) return 0;
+ c+=2;
+ if (*c == '-')
+ c++;
+
+ t.tm_mon -= 1;
+
+ /* 2 digit day */
+ if (!sscanf(c, "%02d", &t.tm_mday)) return 0;
+ c+=2;
+ if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */
+ c++; /* skip the "T" */
+
+ /* 2 digit hour */
+ if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3 ||
+ sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) {
+ int tzhrs, tzmins;
+ c+=8;
+ if (*c == '.') /* dealing with precision we don't care about */
+ c += 4;
+
+ if ((*c == '+' || *c == '-') &&
+ sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) {
+ tzoff = tzhrs*60*60 + tzmins*60;
+ if (*c == '+')
+ tzoff *= -1;
+ }
+
+ if (tzoff || utc) {
+
+//#ifdef HAVE_TM_GMTOFF
+ tzoff += t.tm_gmtoff;
+//#else
+//# ifdef HAVE_TIMEZONE
+// tzset(); /* making sure */
+// tzoff -= timezone;
+//# endif
+//#endif
+ }
+ }
+ }
+
+ t.tm_isdst = -1;
+
+ retval = mktime(&t);
+
+ retval += tzoff;
+
+ return retval;
+}
+