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-rw-r--r--compat/Makefile.local4
-rw-r--r--compat/compat.h5
-rw-r--r--compat/have_timegm.c7
-rw-r--r--compat/timegm.c56
-rwxr-xr-xconfigure11
-rw-r--r--parse-time-string/parse-time-string.c1
6 files changed, 84 insertions, 0 deletions
diff --git a/compat/Makefile.local b/compat/Makefile.local
index 2c4f65fc..b0d5417f 100644
--- a/compat/Makefile.local
+++ b/compat/Makefile.local
@@ -17,4 +17,8 @@ ifneq ($(HAVE_STRSEP),1)
notmuch_compat_srcs += $(dir)/strsep.c
endif
+ifneq ($(HAVE_TIMEGM),1)
+notmuch_compat_srcs += $(dir)/timegm.c
+endif
+
SRCS := $(SRCS) $(notmuch_compat_srcs)
diff --git a/compat/compat.h b/compat/compat.h
index ae762c30..5a402d5c 100644
--- a/compat/compat.h
+++ b/compat/compat.h
@@ -57,6 +57,11 @@ char* strcasestr(const char *haystack, const char *needle);
char *strsep(char **stringp, const char *delim);
#endif /* !HAVE_STRSEP */
+#if !HAVE_TIMEGM
+#include <time.h>
+time_t timegm (struct tm *tm);
+#endif /* !HAVE_TIMEGM */
+
/* Silence gcc warnings about unused results. These warnings exist
* for a reason; any use of this needs to be justified. */
#ifdef __GNUC__
diff --git a/compat/have_timegm.c b/compat/have_timegm.c
new file mode 100644
index 00000000..b62b7937
--- /dev/null
+++ b/compat/have_timegm.c
@@ -0,0 +1,7 @@
+#include <time.h>
+#include "compat.h"
+
+int main()
+{
+ return (int) timegm((struct tm *)0);
+}
diff --git a/compat/timegm.c b/compat/timegm.c
new file mode 100644
index 00000000..3560c370
--- /dev/null
+++ b/compat/timegm.c
@@ -0,0 +1,56 @@
+/* timegm.c --- Implementation of replacement timegm function.
+
+ 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 3, 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+/* Copyright 2013 Blake Jones. */
+
+#include <time.h>
+#include "compat.h"
+
+static int
+leapyear (int year)
+{
+ return ((year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0));
+}
+
+/*
+ * This is a simple implementation of timegm() which does what is needed
+ * by create_output() -- just turns the "struct tm" into a GMT time_t.
+ * It does not normalize any of the fields of the "struct tm", nor does
+ * it set tm_wday or tm_yday.
+ */
+time_t
+timegm (struct tm *tm)
+{
+ int monthlen[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 },
+ };
+ int year, month, days;
+
+ days = 365 * (tm->tm_year - 70);
+ for (year = 70; year < tm->tm_year; year++) {
+ if (leapyear(1900 + year)) {
+ days++;
+ }
+ }
+ for (month = 0; month < tm->tm_mon; month++) {
+ days += monthlen[leapyear(1900 + year)][month];
+ }
+ days += tm->tm_mday - 1;
+
+ return ((((days * 24) + tm->tm_hour) * 60 + tm->tm_min) * 60 + tm->tm_sec);
+}
diff --git a/configure b/configure
index ac44857c..61669179 100755
--- a/configure
+++ b/configure
@@ -530,6 +530,17 @@ else
fi
rm -f compat/have_strsep
+printf "Checking for timegm... "
+if ${CC} -o compat/have_timegm "$srcdir"/compat/have_timegm.c > /dev/null 2>&1
+then
+ printf "Yes.\n"
+ have_timegm="1"
+else
+ printf "No (will use our own instead).\n"
+ have_timegm="0"
+fi
+rm -f compat/have_timegm
+
printf "Checking for standard version of getpwuid_r... "
if ${CC} -o compat/check_getpwuid "$srcdir"/compat/check_getpwuid.c > /dev/null 2>&1
then
diff --git a/parse-time-string/parse-time-string.c b/parse-time-string/parse-time-string.c
index 584067d3..ccad422b 100644
--- a/parse-time-string/parse-time-string.c
+++ b/parse-time-string/parse-time-string.c
@@ -32,6 +32,7 @@
#include <sys/time.h>
#include <sys/types.h>
+#include "compat.h"
#include "parse-time-string.h"
/*