1d4972a9cSSascha Wildner /******************************************************************************
2d4972a9cSSascha Wildner *
3*01d5d5dfSSascha Wildner * Module Name: cmfsize - Common get file size function
4d4972a9cSSascha Wildner *
5d4972a9cSSascha Wildner *****************************************************************************/
6d4972a9cSSascha Wildner
7b4315fc7SSascha Wildner /******************************************************************************
8b4315fc7SSascha Wildner *
9b4315fc7SSascha Wildner * 1. Copyright Notice
10b4315fc7SSascha Wildner *
11383048acSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
12d4972a9cSSascha Wildner * All rights reserved.
13d4972a9cSSascha Wildner *
14b4315fc7SSascha Wildner * 2. License
15b4315fc7SSascha Wildner *
16b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property
17b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided
18b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual
19b4315fc7SSascha Wildner * property rights.
20b4315fc7SSascha Wildner *
21b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an
23b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy,
25b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered
26b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and
27b4315fc7SSascha Wildner *
28b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel
30b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell,
31b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof
32b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright
33b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions
34b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right
35b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise;
36b4315fc7SSascha Wildner *
37b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following
38b4315fc7SSascha Wildner * conditions are met:
39b4315fc7SSascha Wildner *
40b4315fc7SSascha Wildner * 3. Conditions
41b4315fc7SSascha Wildner *
42b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
44b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include
45b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions,
46b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition,
47b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to
48b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered
49b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the
50b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee
51b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived,
52b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code.
53b4315fc7SSascha Wildner *
54b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
56b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must
57b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the
58b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In
59b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any
60b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the
61b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual
62b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and
63b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may
64b4315fc7SSascha Wildner * make.
65b4315fc7SSascha Wildner *
66b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any
67b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the
68b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance
69b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the
70b4315fc7SSascha Wildner * distribution.
71b4315fc7SSascha Wildner *
72b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original
73b4315fc7SSascha Wildner * Intel Code.
74b4315fc7SSascha Wildner *
75b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or
77b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code
78b4315fc7SSascha Wildner * without prior written authorization from Intel.
79b4315fc7SSascha Wildner *
80b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance
81b4315fc7SSascha Wildner *
82b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88b4315fc7SSascha Wildner * PARTICULAR PURPOSE.
89b4315fc7SSascha Wildner *
90b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97b4315fc7SSascha Wildner * LIMITED REMEDY.
98b4315fc7SSascha Wildner *
99b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this
100b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any
101b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or
102b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the
103b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or
104b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall
105b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in
106b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the
107b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process,
109b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the
110b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license,
111b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining
112b4315fc7SSascha Wildner * such license, approval or letter.
113b4315fc7SSascha Wildner *
114b4315fc7SSascha Wildner *****************************************************************************
115b4315fc7SSascha Wildner *
116b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
117b4315fc7SSascha Wildner * following license:
118b4315fc7SSascha Wildner *
119d4972a9cSSascha Wildner * Redistribution and use in source and binary forms, with or without
120d4972a9cSSascha Wildner * modification, are permitted provided that the following conditions
121d4972a9cSSascha Wildner * are met:
122d4972a9cSSascha Wildner * 1. Redistributions of source code must retain the above copyright
123d4972a9cSSascha Wildner * notice, this list of conditions, and the following disclaimer,
124d4972a9cSSascha Wildner * without modification.
125d4972a9cSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126d4972a9cSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below
127d4972a9cSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon
128d4972a9cSSascha Wildner * including a substantially similar Disclaimer requirement for further
129d4972a9cSSascha Wildner * binary redistribution.
130d4972a9cSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names
131d4972a9cSSascha Wildner * of any contributors may be used to endorse or promote products derived
132d4972a9cSSascha Wildner * from this software without specific prior written permission.
133d4972a9cSSascha Wildner *
134b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145b4315fc7SSascha Wildner *
146b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
147d4972a9cSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free
148d4972a9cSSascha Wildner * Software Foundation.
149d4972a9cSSascha Wildner *
150b4315fc7SSascha Wildner *****************************************************************************/
151d4972a9cSSascha Wildner
152d4972a9cSSascha Wildner #include "acpi.h"
153d4972a9cSSascha Wildner #include "accommon.h"
154d4972a9cSSascha Wildner #include "acapps.h"
155d4972a9cSSascha Wildner
156d4972a9cSSascha Wildner #define _COMPONENT ACPI_TOOLS
157d4972a9cSSascha Wildner ACPI_MODULE_NAME ("cmfsize")
158d4972a9cSSascha Wildner
159d4972a9cSSascha Wildner
160d4972a9cSSascha Wildner /*******************************************************************************
161d4972a9cSSascha Wildner *
162d4972a9cSSascha Wildner * FUNCTION: CmGetFileSize
163d4972a9cSSascha Wildner *
164d4972a9cSSascha Wildner * PARAMETERS: File - Open file descriptor
165d4972a9cSSascha Wildner *
166d4972a9cSSascha Wildner * RETURN: File Size. On error, -1 (ACPI_UINT32_MAX)
167d4972a9cSSascha Wildner *
168d4972a9cSSascha Wildner * DESCRIPTION: Get the size of a file. Uses seek-to-EOF. File must be open.
1695f39c7e7SSascha Wildner * Does not disturb the current file pointer.
170d4972a9cSSascha Wildner *
171d4972a9cSSascha Wildner ******************************************************************************/
172d4972a9cSSascha Wildner
173d4972a9cSSascha Wildner UINT32
CmGetFileSize(ACPI_FILE File)174d4972a9cSSascha Wildner CmGetFileSize (
1755f39c7e7SSascha Wildner ACPI_FILE File)
176d4972a9cSSascha Wildner {
177d4972a9cSSascha Wildner long FileSize;
178d4972a9cSSascha Wildner long CurrentOffset;
1795f39c7e7SSascha Wildner ACPI_STATUS Status;
180d4972a9cSSascha Wildner
181d4972a9cSSascha Wildner
182d4972a9cSSascha Wildner /* Save the current file pointer, seek to EOF to obtain file size */
183d4972a9cSSascha Wildner
184277350a0SSascha Wildner CurrentOffset = ftell (File);
185d4972a9cSSascha Wildner if (CurrentOffset < 0)
186d4972a9cSSascha Wildner {
187d4972a9cSSascha Wildner goto OffsetError;
188d4972a9cSSascha Wildner }
189d4972a9cSSascha Wildner
190277350a0SSascha Wildner Status = fseek (File, 0, SEEK_END);
1915f39c7e7SSascha Wildner if (ACPI_FAILURE (Status))
192d4972a9cSSascha Wildner {
193d4972a9cSSascha Wildner goto SeekError;
194d4972a9cSSascha Wildner }
195d4972a9cSSascha Wildner
196277350a0SSascha Wildner FileSize = ftell (File);
197d4972a9cSSascha Wildner if (FileSize < 0)
198d4972a9cSSascha Wildner {
199d4972a9cSSascha Wildner goto OffsetError;
200d4972a9cSSascha Wildner }
201d4972a9cSSascha Wildner
202d4972a9cSSascha Wildner /* Restore original file pointer */
203d4972a9cSSascha Wildner
204277350a0SSascha Wildner Status = fseek (File, CurrentOffset, SEEK_SET);
2055f39c7e7SSascha Wildner if (ACPI_FAILURE (Status))
206d4972a9cSSascha Wildner {
207d4972a9cSSascha Wildner goto SeekError;
208d4972a9cSSascha Wildner }
209d4972a9cSSascha Wildner
210d4972a9cSSascha Wildner return ((UINT32) FileSize);
211d4972a9cSSascha Wildner
212d4972a9cSSascha Wildner
213d4972a9cSSascha Wildner OffsetError:
214277350a0SSascha Wildner fprintf (stderr, "Could not get file offset\n");
215d4972a9cSSascha Wildner return (ACPI_UINT32_MAX);
216d4972a9cSSascha Wildner
217d4972a9cSSascha Wildner SeekError:
218277350a0SSascha Wildner fprintf (stderr, "Could not set file offset\n");
219d4972a9cSSascha Wildner return (ACPI_UINT32_MAX);
220d4972a9cSSascha Wildner }
221