reactos/lib/kjs/src/r_std.c

   1 /*
   2  * Standard non re-entrant versions of the re-entrant functions.
   3  * Copyright (c) 1998 New Generation Software (NGS) Oy
   4  *
   5  * Author: Markku Rossi <mtr@ngs.fi>
   6  */
   7
   8 /*
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Library General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Library General Public
  20  * License along with this library; if not, write to the Free
  21  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  22  * MA 02111-1307, USA
  23  */
  24
  25 /*
  26  * $Source: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/kjs/src/r_std.c,v $
  27  * $Id$
  28  */
  29
  30 #include "jsint.h"
  31 #include "rentrant.h"
  32
  33 /*
  34  * Types and definitions.
  35  */
  36
  37 /*
  38  * Global functions.
  39  */
  40
  41 /* Time. */
  42
  43 void
  44 js_localtime (const time_t *clock, struct tm *result)
  45 {
  46   struct tm *tm = localtime (clock);
  47   memcpy (result, tm, sizeof (*tm));
  48 }
  49
  50
  51 void
  52 js_gmtime (const time_t *clock, struct tm *result)
  53 {
  54   struct tm *tm = gmtime (clock);
  55   memcpy (result, tm, sizeof (*tm));
  56 }
  57
  58
  59 void
  60 js_asctime (const struct tm *tm, char *buffer, int buffer_length)
  61 {
  62   char *cp = asctime (tm);
  63   strcpy (buffer, cp);
  64 }
  65
  66
  67 /* Drand48. */
  68
  69 void *
  70 js_drand48_create (JSVirtualMachine *vm)
  71 {
  72   return NULL;
  73 }
  74
  75
  76 void
  77 js_drand48_destroy (void *drand48_context)
  78 {
  79 }
  80
  81
  82 void
  83 js_srand48 (void *drand48_context, long seed)
  84 {
  85 #if HAVE_DRAND48
  86   srand48 (seed);
  87 #else /* not HAVE_DRAND48 */
  88   srand (seed);
  89 #endif /* not HAVE_DRAND48 */
  90 }
  91
  92 void
  93 js_drand48 (void *drand48_context, double *random_return)
  94 {
  95 #if HAVE_DRAND48
  96   *random_return = drand48 ();
  97 #else /* not HAVE_DRAND48 */
  98   *random_return = (double ) rand () / (double) INT_MAX;
  99 #endif /* not HAVE_DRAND48 */
 100 }