1 /******************************************************************************
3 * Module Name: osunixdir - Unix directory access interfaces
5 *****************************************************************************/
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55 * Allocated structure returned from OsOpenDirectory
57 typedef struct ExternalFindInfo
61 char temp_buffer[256];
63 char RequestedFileType;
68 /*******************************************************************************
70 * FUNCTION: AcpiOsOpenDirectory
72 * PARAMETERS: DirPathname - Full pathname to the directory
73 * WildcardSpec - string of the form "*.c", etc.
75 * RETURN: A directory "handle" to be used in subsequent search operations.
76 * NULL returned on failure.
78 * DESCRIPTION: Open a directory in preparation for a wildcard search
80 ******************************************************************************/
86 char RequestedFileType)
88 EXTERNAL_FIND_INFO *ExternalInfo;
92 /* Allocate the info struct that will be returned to the caller */
94 ExternalInfo = calloc (1, sizeof (EXTERNAL_FIND_INFO));
100 /* Get the directory stream */
102 dir = opendir (DirPathname);
105 fprintf (stderr, "Cannot open directory - %s\n", DirPathname);
110 /* Save the info in the return structure */
112 ExternalInfo->WildcardSpec = WildcardSpec;
113 ExternalInfo->RequestedFileType = RequestedFileType;
114 ExternalInfo->DirPathname = DirPathname;
115 ExternalInfo->DirPtr = dir;
116 return (ExternalInfo);
120 /*******************************************************************************
122 * FUNCTION: AcpiOsGetNextFilename
124 * PARAMETERS: DirHandle - Created via AcpiOsOpenDirectory
126 * RETURN: Next filename matched. NULL if no more matches.
128 * DESCRIPTION: Get the next file in the directory that matches the wildcard
131 ******************************************************************************/
134 AcpiOsGetNextFilename (
137 EXTERNAL_FIND_INFO *ExternalInfo = DirHandle;
138 struct dirent *dir_entry;
141 struct stat temp_stat;
145 while ((dir_entry = readdir (ExternalInfo->DirPtr)))
147 if (!fnmatch (ExternalInfo->WildcardSpec, dir_entry->d_name, 0))
149 if (dir_entry->d_name[0] == '.')
154 str_len = strlen (dir_entry->d_name) +
155 strlen (ExternalInfo->DirPathname) + 2;
157 temp_str = calloc (str_len, 1);
161 "Could not allocate buffer for temporary string\n");
165 strcpy (temp_str, ExternalInfo->DirPathname);
166 strcat (temp_str, "/");
167 strcat (temp_str, dir_entry->d_name);
169 err = stat (temp_str, &temp_stat);
173 "Cannot stat file (should not happen) - %s\n",
181 if ((S_ISDIR (temp_stat.st_mode)
182 && (ExternalInfo->RequestedFileType == REQUEST_DIR_ONLY))
184 ((!S_ISDIR (temp_stat.st_mode)
185 && ExternalInfo->RequestedFileType == REQUEST_FILE_ONLY)))
187 /* copy to a temp buffer because dir_entry struct is on the stack */
189 strcpy (ExternalInfo->temp_buffer, dir_entry->d_name);
190 return (ExternalInfo->temp_buffer);
199 /*******************************************************************************
201 * FUNCTION: AcpiOsCloseDirectory
203 * PARAMETERS: DirHandle - Created via AcpiOsOpenDirectory
207 * DESCRIPTION: Close the open directory and cleanup.
209 ******************************************************************************/
212 AcpiOsCloseDirectory (
215 EXTERNAL_FIND_INFO *ExternalInfo = DirHandle;
218 /* Close the directory and free allocations */
220 closedir (ExternalInfo->DirPtr);