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authorJelmer Vernooij <jelmer@samba.org>2006-09-04 12:21:42 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:17:05 -0500
commit38fdde5d9bf15b10caa60ee216d278ba8d870c2e (patch)
treef5da0712c3bd704a0af17aa6d12d8c616a2d6e1b /source4/lib/replace/timegm.c
parentf6f4d868ea7d3a01ec28c6855240882911cae039 (diff)
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r18031: Merge my replace fixes:
* libreplace can now build stand-alone * add stub testsuite for libreplace * make talloc/tdb/ldb use libreplace (This used to be commit fe7ca4b1454e01a33ed0d53791ebffdd349298b4)
Diffstat (limited to 'source4/lib/replace/timegm.c')
-rw-r--r--source4/lib/replace/timegm.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/source4/lib/replace/timegm.c b/source4/lib/replace/timegm.c
new file mode 100644
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+++ b/source4/lib/replace/timegm.c
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+/*
+ * Copyright (c) 1997 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ adapted for Samba4 by Andrew Tridgell
+*/
+
+#include "includes.h"
+#include "ldb/include/includes.h"
+
+#ifndef HAVE_TIMEGM
+
+static int is_leap(unsigned y)
+{
+ y += 1900;
+ return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
+}
+
+time_t timegm(struct tm *tm)
+{
+ static const unsigned ndays[2][12] ={
+ {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
+ {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
+ time_t res = 0;
+ unsigned i;
+
+ for (i = 70; i < tm->tm_year; ++i)
+ res += is_leap(i) ? 366 : 365;
+
+ for (i = 0; i < tm->tm_mon; ++i)
+ res += ndays[is_leap(tm->tm_year)][i];
+ res += tm->tm_mday - 1;
+ res *= 24;
+ res += tm->tm_hour;
+ res *= 60;
+ res += tm->tm_min;
+ res *= 60;
+ res += tm->tm_sec;
+ return res;
+}
+
+#endif /* HAVE_TIMEGM */