17b1019a6SJerry Jelinek /*******************************************************************************
27b1019a6SJerry Jelinek *
37b1019a6SJerry Jelinek * Module Name: utnonansi - Non-ansi C library functions
47b1019a6SJerry Jelinek *
57b1019a6SJerry Jelinek ******************************************************************************/
67b1019a6SJerry Jelinek
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
127b1019a6SJerry Jelinek * All rights reserved.
137b1019a6SJerry Jelinek *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
1197b1019a6SJerry Jelinek * Redistribution and use in source and binary forms, with or without
1207b1019a6SJerry Jelinek * modification, are permitted provided that the following conditions
1217b1019a6SJerry Jelinek * are met:
1227b1019a6SJerry Jelinek * 1. Redistributions of source code must retain the above copyright
1237b1019a6SJerry Jelinek * notice, this list of conditions, and the following disclaimer,
1247b1019a6SJerry Jelinek * without modification.
1257b1019a6SJerry Jelinek * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1267b1019a6SJerry Jelinek * substantially similar to the "NO WARRANTY" disclaimer below
1277b1019a6SJerry Jelinek * ("Disclaimer") and any redistribution must be conditioned upon
1287b1019a6SJerry Jelinek * including a substantially similar Disclaimer requirement for further
1297b1019a6SJerry Jelinek * binary redistribution.
1307b1019a6SJerry Jelinek * 3. Neither the names of the above-listed copyright holders nor the names
1317b1019a6SJerry Jelinek * of any contributors may be used to endorse or promote products derived
1327b1019a6SJerry Jelinek * from this software without specific prior written permission.
1337b1019a6SJerry Jelinek *
1347b1019a6SJerry Jelinek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1357b1019a6SJerry Jelinek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1377b1019a6SJerry Jelinek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
1517b1019a6SJerry Jelinek
1527b1019a6SJerry Jelinek #include "acpi.h"
1537b1019a6SJerry Jelinek #include "accommon.h"
1547b1019a6SJerry Jelinek
1557b1019a6SJerry Jelinek
1567b1019a6SJerry Jelinek #define _COMPONENT ACPI_UTILITIES
1577b1019a6SJerry Jelinek ACPI_MODULE_NAME ("utnonansi")
1587b1019a6SJerry Jelinek
1597b1019a6SJerry Jelinek /*
160*35786f68SRobert Mustacchi * Non-ANSI C library functions - strlwr, strupr, stricmp, and "safe"
161*35786f68SRobert Mustacchi * string functions.
1627b1019a6SJerry Jelinek */
1637b1019a6SJerry Jelinek
1647b1019a6SJerry Jelinek /*******************************************************************************
1657b1019a6SJerry Jelinek *
1667b1019a6SJerry Jelinek * FUNCTION: AcpiUtStrlwr (strlwr)
1677b1019a6SJerry Jelinek *
1687b1019a6SJerry Jelinek * PARAMETERS: SrcString - The source string to convert
1697b1019a6SJerry Jelinek *
1707b1019a6SJerry Jelinek * RETURN: None
1717b1019a6SJerry Jelinek *
1727b1019a6SJerry Jelinek * DESCRIPTION: Convert a string to lowercase
1737b1019a6SJerry Jelinek *
1747b1019a6SJerry Jelinek ******************************************************************************/
1757b1019a6SJerry Jelinek
1767b1019a6SJerry Jelinek void
AcpiUtStrlwr(char * SrcString)1777b1019a6SJerry Jelinek AcpiUtStrlwr (
1787b1019a6SJerry Jelinek char *SrcString)
1797b1019a6SJerry Jelinek {
1807b1019a6SJerry Jelinek char *String;
1817b1019a6SJerry Jelinek
1827b1019a6SJerry Jelinek
1837b1019a6SJerry Jelinek ACPI_FUNCTION_ENTRY ();
1847b1019a6SJerry Jelinek
1857b1019a6SJerry Jelinek
1867b1019a6SJerry Jelinek if (!SrcString)
1877b1019a6SJerry Jelinek {
1887b1019a6SJerry Jelinek return;
1897b1019a6SJerry Jelinek }
1907b1019a6SJerry Jelinek
1917b1019a6SJerry Jelinek /* Walk entire string, lowercasing the letters */
1927b1019a6SJerry Jelinek
1937b1019a6SJerry Jelinek for (String = SrcString; *String; String++)
1947b1019a6SJerry Jelinek {
1957b1019a6SJerry Jelinek *String = (char) tolower ((int) *String);
1967b1019a6SJerry Jelinek }
1977b1019a6SJerry Jelinek }
1987b1019a6SJerry Jelinek
1997b1019a6SJerry Jelinek
2007b1019a6SJerry Jelinek /*******************************************************************************
2017b1019a6SJerry Jelinek *
2027b1019a6SJerry Jelinek * FUNCTION: AcpiUtStrupr (strupr)
2037b1019a6SJerry Jelinek *
2047b1019a6SJerry Jelinek * PARAMETERS: SrcString - The source string to convert
2057b1019a6SJerry Jelinek *
2067b1019a6SJerry Jelinek * RETURN: None
2077b1019a6SJerry Jelinek *
2087b1019a6SJerry Jelinek * DESCRIPTION: Convert a string to uppercase
2097b1019a6SJerry Jelinek *
2107b1019a6SJerry Jelinek ******************************************************************************/
2117b1019a6SJerry Jelinek
2127b1019a6SJerry Jelinek void
AcpiUtStrupr(char * SrcString)2137b1019a6SJerry Jelinek AcpiUtStrupr (
2147b1019a6SJerry Jelinek char *SrcString)
2157b1019a6SJerry Jelinek {
2167b1019a6SJerry Jelinek char *String;
2177b1019a6SJerry Jelinek
2187b1019a6SJerry Jelinek
2197b1019a6SJerry Jelinek ACPI_FUNCTION_ENTRY ();
2207b1019a6SJerry Jelinek
2217b1019a6SJerry Jelinek
2227b1019a6SJerry Jelinek if (!SrcString)
2237b1019a6SJerry Jelinek {
2247b1019a6SJerry Jelinek return;
2257b1019a6SJerry Jelinek }
2267b1019a6SJerry Jelinek
2277b1019a6SJerry Jelinek /* Walk entire string, uppercasing the letters */
2287b1019a6SJerry Jelinek
2297b1019a6SJerry Jelinek for (String = SrcString; *String; String++)
2307b1019a6SJerry Jelinek {
2317b1019a6SJerry Jelinek *String = (char) toupper ((int) *String);
2327b1019a6SJerry Jelinek }
2337b1019a6SJerry Jelinek }
2347b1019a6SJerry Jelinek
2357b1019a6SJerry Jelinek
2367b1019a6SJerry Jelinek /******************************************************************************
2377b1019a6SJerry Jelinek *
2387b1019a6SJerry Jelinek * FUNCTION: AcpiUtStricmp (stricmp)
2397b1019a6SJerry Jelinek *
2407b1019a6SJerry Jelinek * PARAMETERS: String1 - first string to compare
2417b1019a6SJerry Jelinek * String2 - second string to compare
2427b1019a6SJerry Jelinek *
2437b1019a6SJerry Jelinek * RETURN: int that signifies string relationship. Zero means strings
2447b1019a6SJerry Jelinek * are equal.
2457b1019a6SJerry Jelinek *
2467b1019a6SJerry Jelinek * DESCRIPTION: Case-insensitive string compare. Implementation of the
2477b1019a6SJerry Jelinek * non-ANSI stricmp function.
2487b1019a6SJerry Jelinek *
2497b1019a6SJerry Jelinek ******************************************************************************/
2507b1019a6SJerry Jelinek
2517b1019a6SJerry Jelinek int
AcpiUtStricmp(char * String1,char * String2)2527b1019a6SJerry Jelinek AcpiUtStricmp (
2537b1019a6SJerry Jelinek char *String1,
2547b1019a6SJerry Jelinek char *String2)
2557b1019a6SJerry Jelinek {
2567b1019a6SJerry Jelinek int c1;
2577b1019a6SJerry Jelinek int c2;
2587b1019a6SJerry Jelinek
2597b1019a6SJerry Jelinek
2607b1019a6SJerry Jelinek do
2617b1019a6SJerry Jelinek {
2627b1019a6SJerry Jelinek c1 = tolower ((int) *String1);
2637b1019a6SJerry Jelinek c2 = tolower ((int) *String2);
2647b1019a6SJerry Jelinek
2657b1019a6SJerry Jelinek String1++;
2667b1019a6SJerry Jelinek String2++;
2677b1019a6SJerry Jelinek }
2687b1019a6SJerry Jelinek while ((c1 == c2) && (c1));
2697b1019a6SJerry Jelinek
2707b1019a6SJerry Jelinek return (c1 - c2);
2717b1019a6SJerry Jelinek }
2727b1019a6SJerry Jelinek
2737b1019a6SJerry Jelinek
274*35786f68SRobert Mustacchi #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT)
2757b1019a6SJerry Jelinek /*******************************************************************************
2767b1019a6SJerry Jelinek *
2777b1019a6SJerry Jelinek * FUNCTION: AcpiUtSafeStrcpy, AcpiUtSafeStrcat, AcpiUtSafeStrncat
2787b1019a6SJerry Jelinek *
2797b1019a6SJerry Jelinek * PARAMETERS: Adds a "DestSize" parameter to each of the standard string
2807b1019a6SJerry Jelinek * functions. This is the size of the Destination buffer.
2817b1019a6SJerry Jelinek *
2827b1019a6SJerry Jelinek * RETURN: TRUE if the operation would overflow the destination buffer.
2837b1019a6SJerry Jelinek *
2847b1019a6SJerry Jelinek * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that
2857b1019a6SJerry Jelinek * the result of the operation will not overflow the output string
2867b1019a6SJerry Jelinek * buffer.
2877b1019a6SJerry Jelinek *
2887b1019a6SJerry Jelinek * NOTE: These functions are typically only helpful for processing
2897b1019a6SJerry Jelinek * user input and command lines. For most ACPICA code, the
2907b1019a6SJerry Jelinek * required buffer length is precisely calculated before buffer
2917b1019a6SJerry Jelinek * allocation, so the use of these functions is unnecessary.
2927b1019a6SJerry Jelinek *
2937b1019a6SJerry Jelinek ******************************************************************************/
2947b1019a6SJerry Jelinek
2957b1019a6SJerry Jelinek BOOLEAN
AcpiUtSafeStrcpy(char * Dest,ACPI_SIZE DestSize,char * Source)2967b1019a6SJerry Jelinek AcpiUtSafeStrcpy (
2977b1019a6SJerry Jelinek char *Dest,
2987b1019a6SJerry Jelinek ACPI_SIZE DestSize,
2997b1019a6SJerry Jelinek char *Source)
3007b1019a6SJerry Jelinek {
3017b1019a6SJerry Jelinek
3027b1019a6SJerry Jelinek if (strlen (Source) >= DestSize)
3037b1019a6SJerry Jelinek {
3047b1019a6SJerry Jelinek return (TRUE);
3057b1019a6SJerry Jelinek }
3067b1019a6SJerry Jelinek
3077b1019a6SJerry Jelinek strcpy (Dest, Source);
3087b1019a6SJerry Jelinek return (FALSE);
3097b1019a6SJerry Jelinek }
3107b1019a6SJerry Jelinek
3117b1019a6SJerry Jelinek BOOLEAN
AcpiUtSafeStrcat(char * Dest,ACPI_SIZE DestSize,char * Source)3127b1019a6SJerry Jelinek AcpiUtSafeStrcat (
3137b1019a6SJerry Jelinek char *Dest,
3147b1019a6SJerry Jelinek ACPI_SIZE DestSize,
3157b1019a6SJerry Jelinek char *Source)
3167b1019a6SJerry Jelinek {
3177b1019a6SJerry Jelinek
3187b1019a6SJerry Jelinek if ((strlen (Dest) + strlen (Source)) >= DestSize)
3197b1019a6SJerry Jelinek {
3207b1019a6SJerry Jelinek return (TRUE);
3217b1019a6SJerry Jelinek }
3227b1019a6SJerry Jelinek
3237b1019a6SJerry Jelinek strcat (Dest, Source);
3247b1019a6SJerry Jelinek return (FALSE);
3257b1019a6SJerry Jelinek }
3267b1019a6SJerry Jelinek
3277b1019a6SJerry Jelinek BOOLEAN
AcpiUtSafeStrncat(char * Dest,ACPI_SIZE DestSize,char * Source,ACPI_SIZE MaxTransferLength)3287b1019a6SJerry Jelinek AcpiUtSafeStrncat (
3297b1019a6SJerry Jelinek char *Dest,
3307b1019a6SJerry Jelinek ACPI_SIZE DestSize,
3317b1019a6SJerry Jelinek char *Source,
3327b1019a6SJerry Jelinek ACPI_SIZE MaxTransferLength)
3337b1019a6SJerry Jelinek {
3347b1019a6SJerry Jelinek ACPI_SIZE ActualTransferLength;
3357b1019a6SJerry Jelinek
3367b1019a6SJerry Jelinek
3377b1019a6SJerry Jelinek ActualTransferLength = ACPI_MIN (MaxTransferLength, strlen (Source));
3387b1019a6SJerry Jelinek
3397b1019a6SJerry Jelinek if ((strlen (Dest) + ActualTransferLength) >= DestSize)
3407b1019a6SJerry Jelinek {
3417b1019a6SJerry Jelinek return (TRUE);
3427b1019a6SJerry Jelinek }
3437b1019a6SJerry Jelinek
3447b1019a6SJerry Jelinek strncat (Dest, Source, MaxTransferLength);
3457b1019a6SJerry Jelinek return (FALSE);
3467b1019a6SJerry Jelinek }
3477b1019a6SJerry Jelinek
348*35786f68SRobert Mustacchi void
AcpiUtSafeStrncpy(char * Dest,char * Source,ACPI_SIZE DestSize)349*35786f68SRobert Mustacchi AcpiUtSafeStrncpy (
350*35786f68SRobert Mustacchi char *Dest,
351*35786f68SRobert Mustacchi char *Source,
352*35786f68SRobert Mustacchi ACPI_SIZE DestSize)
3537b1019a6SJerry Jelinek {
354*35786f68SRobert Mustacchi /* Always terminate destination string */
3557b1019a6SJerry Jelinek
356*35786f68SRobert Mustacchi strncpy (Dest, Source, DestSize);
357*35786f68SRobert Mustacchi Dest[DestSize - 1] = 0;
3587b1019a6SJerry Jelinek }
3597b1019a6SJerry Jelinek
3607b1019a6SJerry Jelinek #endif
361