usr/src/lib/libc/port/gen/imaxdiv.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/feature_tests.h>
  30 #include "lint.h"
  31 #include <inttypes.h>
  32 #include <sys/types.h>
  33 #include <stdlib.h>
  34
  35 /*
  36  * Added for SUSv3 standard
  37  */
  38
  39 imaxdiv_t
  40 imaxdiv(intmax_t numer, intmax_t denom)
  41 {
  42         extern imaxdiv_t __imax_lldiv(intmax_t, intmax_t);
  43
  44         return (__imax_lldiv(numer, denom));
  45 }
  46
  47 #if !defined(_LP64)
  48
  49 /*
  50  * 32-bit shadow function of imaxdiv.
  51  * When using the c89 compiler the largest int is 32-bits hence
  52  * this function.  The pragma redefine_extname in inttypes.h selects
  53  * the proper routine at compile time for the user application.
  54  * NOTE: this function is only available in the 32-bit library.
  55  */
  56
  57 div_t
  58 _imaxdiv_c89(int32_t numer, int32_t denom)
  59 {
  60         return (div(numer, denom));
  61 }
  62 #endif