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[16.git] / src / lib / dl / ext / lame / lametime.c

diff --git a/src/lib/dl/ext/lame/lametime.c b/src/lib/dl/ext/lame/lametime.c
new file mode 100755 (executable)
index 0000000..f11d2e6
--- /dev/null
+++ b/src/lib/dl/ext/lame/lametime.c
@@ -0,0 +1,149 @@
+/*
+ *     Lame time routines source file
+ *
+ *     Copyright (c) 2000 Mark Taylor
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* $Id: lametime.c,v 1.21 2011/05/07 16:05:17 rbrito Exp $ */
+
+/*
+ * name:        GetCPUTime ( void )
+ *
+ * description: returns CPU time used by the process
+ * input:       none
+ * output:      time in seconds
+ * known bugs:  may not work in SMP and RPC
+ * conforming:  ANSI C
+ *
+ * There is some old difficult to read code at the end of this file.
+ * Can someone integrate this into this function (if useful)?
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <time.h>
+
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+#include "lametime.h"
+
+#if !defined(CLOCKS_PER_SEC)
+# warning Your system does not define CLOCKS_PER_SEC, guessing one...
+# define CLOCKS_PER_SEC 1000000
+#endif
+
+
+double
+GetCPUTime(void)
+{
+    clock_t t;
+
+#if defined(_MSC_VER)  ||  defined(__BORLANDC__)
+    t = clock();
+#else
+    t = clock();
+#endif
+    return t / (double) CLOCKS_PER_SEC;
+}
+
+
+/*
+ * name:        GetRealTime ( void )
+ *
+ * description: returns real (human) time elapsed relative to a fixed time (mostly 1970-01-01 00:00:00)
+ * input:       none
+ * output:      time in seconds
+ * known bugs:  bad precision with time()
+ */
+
+#if defined(__unix__)  ||  defined(SVR4)  ||  defined(BSD)
+
+# include <sys/time.h>
+# include <unistd.h>
+
+double
+GetRealTime(void)
+{                       /* conforming:  SVr4, BSD 4.3 */
+    struct timeval t;
+
+    if (0 != gettimeofday(&t, NULL))
+        assert(0);
+    return t.tv_sec + 1.e-6 * t.tv_usec;
+}
+
+#elif defined(WIN16)  ||  defined(WIN32)
+
+# include <stdio.h>
+# include <sys/types.h>
+# include <sys/timeb.h>
+
+double
+GetRealTime(void)
+{                       /* conforming:  Win 95, Win NT */
+    struct timeb t;
+
+    ftime(&t);
+    return t.time + 1.e-3 * t.millitm;
+}
+
+#else
+
+double
+GetRealTime(void)
+{                       /* conforming:  SVr4, SVID, POSIX, X/OPEN, BSD 4.3 */ /* BUT NOT GUARANTEED BY ANSI */
+    time_t  t;
+
+    t = time(NULL);
+    return (double) t;
+}
+
+#endif
+
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+# include <io.h>
+# include <fcntl.h>
+#else
+# include <unistd.h>
+#endif
+
+int
+lame_set_stream_binary_mode(FILE * const fp)
+{
+#if   defined __EMX__
+    _fsetmode(fp, "b");
+#elif defined __BORLANDC__
+    setmode(_fileno(fp), O_BINARY);
+#elif defined __CYGWIN__
+    setmode(fileno(fp), _O_BINARY);
+#elif defined _WIN32
+    _setmode(_fileno(fp), _O_BINARY);
+#else
+    (void) fp;          /* doing nothing here, silencing the compiler only. */
+#endif
+    return 0;
+}
+
+
+/* End of lametime.c */