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/*******************************************************************************
*
* Copyright (c) 1993 Intel Corporation
*
* Intel hereby grants you permission to copy, modify, and distribute this
* software and its documentation. Intel grants this permission provided
* that the above copyright notice appears in all copies and that both the
* copyright notice and this permission notice appear in supporting
* documentation. In addition, Intel grants this permission provided that
* you prominently mark as "not part of the original" any modifications
* made to this software or documentation, and that the name of Intel
* Corporation not be used in advertising or publicity pertaining to
* distribution of the software or the documentation without specific,
* written prior permission.
*
* Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR
* IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY
* OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or
* representations regarding the use of, or the results of the use of,
* the software and documentation in terms of correctness, accuracy,
* reliability, currentness, or otherwise; and you rely on the software,
* documentation and results solely at your own risk.
*
* IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS,
* LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES
* OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM
* PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER.
*
******************************************************************************/
.file "strdup.s"
#ifdef __PIC
.pic
#endif
#ifdef __PID
.pid
#endif
/*
* (c) copyright 1989,1993 Intel Corp., all rights reserved
*/
/*
procedure strdup (optimized assembler version: 80960K series, 80960CA)
dest_addr = strdup (src_addr)
Allocate memory and copy thereto the string pointed to by src_addr.
Return the address of the copy, or null if unable to perform the
operation.
*/
.text
.align 2
.globl _strdup
_strdup:
mov g0,r3 # Keep a copy of the original string addr
callj _strlen # Determine how much to allocate
addo 1,g0,g0 # Add one byte for the null byte at end
callj _malloc # Allocate the storage
cmpo 0,g0
mov r3,g1 # Original string addr is now src for copy
bne.t _strcpy # Jump if allocation was successful
ret # Return the null ptr otherwise
/* end of strdup */
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