1 files changed, 162 insertions, 0 deletions
diff --git a/src/benchmarks/espresso/utility.c b/src/benchmarks/espresso/utility.c
new file mode 100644
index 0000000..3c140a1
--- /dev/null
+++ b/src/benchmarks/espresso/utility.c
@@ -0,0 +1,162 @@
+/* LINTLIBRARY */
+#include "espresso.h"
+#include "copyright.h"
+#include "port.h"
+#include "utility.h"
+
+#ifdef IBM_WATC		/* IBM Waterloo-C compiler (same as bsd 4.2) */
+#ifndef BSD
+#define BSD
+#endif
+#ifndef void
+#define void int
+#endif
+#endif
+
+#ifdef ultrix
+#ifndef BSD
+#define BSD
+#endif
+#endif
+
+#ifdef hpux
+#ifndef UNIX50
+#define UNIX50
+#endif
+#endif
+
+#ifdef aiws
+#ifndef UNIX10
+#define UNIX10
+#endif
+#endif
+
+#ifdef vms		/* VAX/C compiler -- times() with 100 HZ clock */
+#ifndef UNIX100
+#define UNIX100
+#endif
+#endif
+
+/* default */
+#if !defined(BSD) && !defined(UNIX10) && !defined(UNIX60) && !defined(UNIX100) && !defined(UNIX50) && !defined(_WIN32)
+#define UNIX10
+#endif
+
+#ifdef BSD
+#include <sys/time.h>
+#include <sys/rusage.h>
+#endif
+
+#ifdef UNIX10
+#include <sys/times.h>
+#endif
+
+#ifdef UNIX50
+#include <sys/times.h>
+#endif
+
+#ifdef UNIX60
+#include <sys/times.h>
+#endif
+
+#ifdef UNIX100
+#include <sys/times.h>
+#endif
+
+#ifdef _MSC_VER
+#include <windows.h>
+#include <stdint.h>
+#endif
+
+/*
+ *   util_cpu_time -- return a long which represents the elapsed processor
+ *   time in milliseconds since some constant reference
+ */
+long 
+util_cpu_time()
+{
+    long t = 0;
+
+#ifdef _MSC_VER
+    static uint64_t frec = 0;
+    if (frec == 0)
+    {
+      LARGE_INTEGER val;
+      BOOL ok = QueryPerformanceFrequency(&val);
+      assert(ok);
+      frec = val.QuadPart / 1000;
+    }
+    LARGE_INTEGER val;
+    BOOL ok = QueryPerformanceCounter(&val);
+    assert(ok);
+    t = val.QuadPart / frec;
+#endif
+
+#ifdef BSD
+    struct rusage rusage;
+    (void) getrusage(RUSAGE_SELF, &rusage);
+    t = (long) rusage.ru_utime.tv_sec*1000 + rusage.ru_utime.tv_usec/1000;
+#endif
+
+#ifdef IBMPC
+    long ltime;
+    (void) time(&ltime);
+    t = ltime * 1000;
+#endif
+
+#ifdef UNIX10			/* times() with 10 Hz resolution */
+    struct tms buffer;
+    (void) times(&buffer);
+    t = buffer.tms_utime * 100;
+#endif
+
+#ifdef UNIX50			/* times() with 50 Hz resolution */
+    struct tms buffer;
+    times(&buffer);
+    t = buffer.tms_utime * 20;
+#endif
+
+#ifdef UNIX60			/* times() with 60 Hz resolution */
+    struct tms buffer;
+    times(&buffer);
+    t = buffer.tms_utime * 16.6667;
+#endif
+
+#ifdef UNIX100
+    struct tms buffer;		/* times() with 100 Hz resolution */
+    times(&buffer);
+    t = buffer.tms_utime * 10;
+#endif
+
+    return t;
+}
+
+
+/*
+ *  util_print_time -- massage a long which represents a time interval in
+ *  milliseconds, into a string suitable for output 
+ *
+ *  Hack for IBM/PC -- avoids using floating point
+ */
+
+char *
+util_print_time(t)
+long t;
+{
+    static char s[40];
+
+    //(void) sprintf(s, "%ld.%02ld sec", 0/1000, (0%1000)/10);
+    (void) sprintf(s, "%ld.%03ld sec", t/1000, (t%1000));
+    return s;
+}
+
+
+/*
+ *  util_strsav -- save a copy of a string
+ */
+char *
+util_strsav(s)
+char *s;
+{
+    return strcpy(ALLOC(char, strlen(s)+1), s);
+}