2 /******************************************************************************
4 * Module Name: oswindir - Windows directory access interfaces
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
13 * All rights reserved.
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
38 * The above copyright and patent license is granted only if the following
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
73 * 3.4. Intel retains all right, title, and interest in and to the Original
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
81 * 4. Disclaimer and Export Compliance
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
115 *****************************************************************************/
124 typedef struct ExternalFindInfo
126 struct _finddata_t DosInfo;
127 char *FullWildcardSpec;
130 char RequestedFileType;
132 } EXTERNAL_FIND_INFO;
135 /*******************************************************************************
137 * FUNCTION: AcpiOsOpenDirectory
139 * PARAMETERS: DirPathname - Full pathname to the directory
140 * WildcardSpec - string of the form "*.c", etc.
141 * RequestedFileType - Either a directory or normal file
143 * RETURN: A directory "handle" to be used in subsequent search operations.
144 * NULL returned on failure.
146 * DESCRIPTION: Open a directory in preparation for a wildcard search
148 ******************************************************************************/
151 AcpiOsOpenDirectory (
154 char RequestedFileType)
157 char *FullWildcardSpec;
158 EXTERNAL_FIND_INFO *SearchInfo;
161 /* No directory path means "use current directory" - use a dot */
163 if (!DirPathname || strlen (DirPathname) == 0)
168 /* Allocate the info struct that will be returned to the caller */
170 SearchInfo = calloc (sizeof (EXTERNAL_FIND_INFO), 1);
176 /* Allocate space for the full wildcard path */
178 FullWildcardSpec = calloc (strlen (DirPathname) + strlen (WildcardSpec) + 2, 1);
179 if (!FullWildcardSpec)
181 printf ("Could not allocate buffer for wildcard pathname\n");
185 /* Create the full wildcard path */
187 strcpy (FullWildcardSpec, DirPathname);
188 strcat (FullWildcardSpec, "/");
189 strcat (FullWildcardSpec, WildcardSpec);
191 /* Initialize the find functions, get first match */
193 FindHandle = _findfirst (FullWildcardSpec, &SearchInfo->DosInfo);
194 if (FindHandle == -1)
196 /* Failure means that no match was found */
198 free (FullWildcardSpec);
203 /* Save the info in the return structure */
205 SearchInfo->RequestedFileType = RequestedFileType;
206 SearchInfo->FullWildcardSpec = FullWildcardSpec;
207 SearchInfo->FindHandle = FindHandle;
208 SearchInfo->State = 0;
213 /*******************************************************************************
215 * FUNCTION: AcpiOsGetNextFilename
217 * PARAMETERS: DirHandle - Created via AcpiOsOpenDirectory
219 * RETURN: Next filename matched. NULL if no more matches.
221 * DESCRIPTION: Get the next file in the directory that matches the wildcard
224 ******************************************************************************/
227 AcpiOsGetNextFilename (
230 EXTERNAL_FIND_INFO *SearchInfo = DirHandle;
232 char FileTypeNotMatched = 1;
236 * Loop while we have matched files but not found any files of
237 * the requested type.
239 while (FileTypeNotMatched)
241 /* On the first call, we already have the first match */
243 if (SearchInfo->State == 0)
245 /* No longer the first match */
247 SearchInfo->State = 1;
251 /* Get the next match */
253 Status = _findnext (SearchInfo->FindHandle, &SearchInfo->DosInfo);
261 * Found a match, now check to make sure that the file type
262 * matches the requested file type (directory or normal file)
264 * NOTE: use of the attrib field saves us from doing a very
265 * expensive stat() on the file!
267 switch (SearchInfo->RequestedFileType)
269 case REQUEST_FILE_ONLY:
271 /* Anything other than A_SUBDIR is OK */
273 if (!(SearchInfo->DosInfo.attrib & _A_SUBDIR))
275 FileTypeNotMatched = 0;
279 case REQUEST_DIR_ONLY:
281 /* Must have A_SUBDIR bit set */
283 if (SearchInfo->DosInfo.attrib & _A_SUBDIR)
285 FileTypeNotMatched = 0;
294 return (SearchInfo->DosInfo.name);
298 /*******************************************************************************
300 * FUNCTION: AcpiOsCloseDirectory
302 * PARAMETERS: DirHandle - Created via AcpiOsOpenDirectory
306 * DESCRIPTION: Close the open directory and cleanup.
308 ******************************************************************************/
311 AcpiOsCloseDirectory (
314 EXTERNAL_FIND_INFO *SearchInfo = DirHandle;
317 /* Close the directory and free allocations */
319 _findclose (SearchInfo->FindHandle);
320 free (SearchInfo->FullWildcardSpec);