From 1555aefd8aa5f21809473335166d38e88bf4ffcb Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Sat, 5 Mar 2016 14:41:13 +0000
Subject: [PATCH] Check that the required system functions are present at
configure time
---
configure.ac | 2 +-
src/clocks.c | 12 ++++++++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 6abf5a35bb..719b5e6897 100644
--- a/configure.ac
+++ b/configure.ac
@@ -329,7 +329,7 @@ is defined in <sys/time.h>])],,
[#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif])
-AC_CHECK_FUNCS([gethrtime read_real_time time_base_to_time clock_gettime mach_absolute_time])
+AC_CHECK_FUNCS([gethrtime read_real_time time_base_to_time clock_gettime mach_absolute_time strftime gettimeofday localtime])
AC_MSG_CHECKING([for _rtc intrinsic])
rtc_ok=yes
AC_LINK_IFELSE([AC_LANG_PROGRAM(
diff --git a/src/clocks.c b/src/clocks.c
index 20152c07d1..d572e9d850 100644
--- a/src/clocks.c
+++ b/src/clocks.c
@@ -222,8 +222,17 @@ double clocks_from_ticks(ticks tics) {
*/
const char *clocks_getunit() { return clocks_units[clocks_units_index]; }
+/**
+ * @brief returns a string containing the local date and time
+ *
+ * The date is return in the format [YYYY-MM-DD hh:mm:ss]
+ *
+ * @result the current time.
+ */
const char *clocks_get_timeofday() {
+#if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_LOCALTIME) && \
+ defined(HAVE_STRFTIME)
struct timeval time;
struct tm *local_time;
static char buffer[40];
@@ -235,5 +244,8 @@ const char *clocks_get_timeofday() {
/* Make it a string */
strftime(buffer, 40, "[%F %T]", local_time);
+#else
+ static char buffer[40] = "[Unknown time]";
+#endif
return buffer;
}
--
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