17b1019a6SJerry Jelinek /******************************************************************************
27b1019a6SJerry Jelinek *
3bc36eafdSMike Gerdts * Module Name: cfsize - Common get file size function
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"
154bc36eafdSMike Gerdts #include "acapps.h"
1557b1019a6SJerry Jelinek
156bc36eafdSMike Gerdts #define _COMPONENT ACPI_TOOLS
157bc36eafdSMike Gerdts ACPI_MODULE_NAME ("cmfsize")
1587b1019a6SJerry Jelinek
1597b1019a6SJerry Jelinek
1607b1019a6SJerry Jelinek /*******************************************************************************
1617b1019a6SJerry Jelinek *
162bc36eafdSMike Gerdts * FUNCTION: CmGetFileSize
1637b1019a6SJerry Jelinek *
164bc36eafdSMike Gerdts * PARAMETERS: File - Open file descriptor
1657b1019a6SJerry Jelinek *
166bc36eafdSMike Gerdts * RETURN: File Size. On error, -1 (ACPI_UINT32_MAX)
1677b1019a6SJerry Jelinek *
168bc36eafdSMike Gerdts * DESCRIPTION: Get the size of a file. Uses seek-to-EOF. File must be open.
169bc36eafdSMike Gerdts * Does not disturb the current file pointer.
1707b1019a6SJerry Jelinek *
1717b1019a6SJerry Jelinek ******************************************************************************/
1727b1019a6SJerry Jelinek
173bc36eafdSMike Gerdts UINT32
CmGetFileSize(ACPI_FILE File)174bc36eafdSMike Gerdts CmGetFileSize (
175bc36eafdSMike Gerdts ACPI_FILE File)
1767b1019a6SJerry Jelinek {
177bc36eafdSMike Gerdts long FileSize;
178bc36eafdSMike Gerdts long CurrentOffset;
179bc36eafdSMike Gerdts ACPI_STATUS Status;
1807b1019a6SJerry Jelinek
1817b1019a6SJerry Jelinek
182bc36eafdSMike Gerdts /* Save the current file pointer, seek to EOF to obtain file size */
1837b1019a6SJerry Jelinek
184*35786f68SRobert Mustacchi CurrentOffset = ftell (File);
185bc36eafdSMike Gerdts if (CurrentOffset < 0)
186bc36eafdSMike Gerdts {
187bc36eafdSMike Gerdts goto OffsetError;
188bc36eafdSMike Gerdts }
1897b1019a6SJerry Jelinek
190*35786f68SRobert Mustacchi Status = fseek (File, 0, SEEK_END);
191bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
192bc36eafdSMike Gerdts {
193bc36eafdSMike Gerdts goto SeekError;
194bc36eafdSMike Gerdts }
1957b1019a6SJerry Jelinek
196*35786f68SRobert Mustacchi FileSize = ftell (File);
197bc36eafdSMike Gerdts if (FileSize < 0)
1987b1019a6SJerry Jelinek {
199bc36eafdSMike Gerdts goto OffsetError;
2007b1019a6SJerry Jelinek }
2017b1019a6SJerry Jelinek
202bc36eafdSMike Gerdts /* Restore original file pointer */
203bc36eafdSMike Gerdts
204*35786f68SRobert Mustacchi Status = fseek (File, CurrentOffset, SEEK_SET);
205bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
2067b1019a6SJerry Jelinek {
207bc36eafdSMike Gerdts goto SeekError;
2087b1019a6SJerry Jelinek }
2097b1019a6SJerry Jelinek
210bc36eafdSMike Gerdts return ((UINT32) FileSize);
211bc36eafdSMike Gerdts
212bc36eafdSMike Gerdts
213bc36eafdSMike Gerdts OffsetError:
214*35786f68SRobert Mustacchi fprintf (stderr, "Could not get file offset\n");
215bc36eafdSMike Gerdts return (ACPI_UINT32_MAX);
216bc36eafdSMike Gerdts
217bc36eafdSMike Gerdts SeekError:
218*35786f68SRobert Mustacchi fprintf (stderr, "Could not set file offset\n");
219bc36eafdSMike Gerdts return (ACPI_UINT32_MAX);
2207b1019a6SJerry Jelinek }
221