1 files changed, 81 insertions, 0 deletions
diff --git a/lib/sh/clock.c b/lib/sh/clock.c
new file mode 100644
index 0000000..84cdbc5
--- /dev/null
+++ b/lib/sh/clock.c
@@ -0,0 +1,81 @@
+/* clock.c - operations on struct tms and clock_t's */
+
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash 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 of the License, or
+   (at your option) any later version.
+
+   Bash 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 Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if defined (HAVE_TIMES)
+
+#include <sys/types.h>
+#include <posixtime.h>
+
+#if defined (HAVE_SYS_TIMES_H)
+#  include <sys/times.h>
+#endif
+
+#include <stdio.h>
+#include <stdc.h>
+
+extern long get_clk_tck __P((void));
+
+void
+clock_t_to_secs (t, sp, sfp)
+     clock_t t;
+     time_t *sp;
+     int *sfp;
+{
+  static long clk_tck = -1;
+
+  if (clk_tck == -1)
+    clk_tck = get_clk_tck ();
+
+  *sfp = t % clk_tck;
+  *sfp = (*sfp * 1000) / clk_tck;
+
+  *sp = t / clk_tck;
+
+  /* Sanity check */
+  if (*sfp >= 1000)
+    {
+      *sp += 1;
+      *sfp -= 1000;
+    }
+}
+
+/* Print the time defined by a clock_t (returned by the `times' and `time'
+   system calls) in a standard way to stdio stream FP.  This is scaled in
+   terms of the value of CLK_TCK, which is what is returned by the
+   `times' call. */
+void
+print_clock_t (fp, t)
+     FILE *fp;
+     clock_t t;
+{
+  time_t timestamp;
+  long minutes;
+  int seconds, seconds_fraction;
+
+  clock_t_to_secs (t, &timestamp, &seconds_fraction);
+
+  minutes = timestamp / 60;
+  seconds = timestamp % 60;
+
+  fprintf (fp, "%ldm%d.%03ds",  minutes, seconds, seconds_fraction);
+}
+#endif /* HAVE_TIMES */