| /******************************************************************************* |
| * |
| * 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 */ |
