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Diffstat (limited to 'storage/bdb/os/os_dir.c')
-rw-r--r--storage/bdb/os/os_dir.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/storage/bdb/os/os_dir.c b/storage/bdb/os/os_dir.c
new file mode 100644
index 00000000000..3f59a23d963
--- /dev/null
+++ b/storage/bdb/os/os_dir.c
@@ -0,0 +1,108 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997-2002
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char revid[] = "$Id: os_dir.c,v 11.14 2002/07/12 18:56:50 bostic Exp $";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#if HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
+
+#endif
+
+#include "db_int.h"
+
+/*
+ * __os_dirlist --
+ * Return a list of the files in a directory.
+ *
+ * PUBLIC: int __os_dirlist __P((DB_ENV *, const char *, char ***, int *));
+ */
+int
+__os_dirlist(dbenv, dir, namesp, cntp)
+ DB_ENV *dbenv;
+ const char *dir;
+ char ***namesp;
+ int *cntp;
+{
+ struct dirent *dp;
+ DIR *dirp;
+ int arraysz, cnt, ret;
+ char **names;
+
+ if (DB_GLOBAL(j_dirlist) != NULL)
+ return (DB_GLOBAL(j_dirlist)(dir, namesp, cntp));
+
+#ifdef HAVE_VXWORKS
+ if ((dirp = opendir((char *)dir)) == NULL)
+#else
+ if ((dirp = opendir(dir)) == NULL)
+#endif
+ return (__os_get_errno());
+ names = NULL;
+ for (arraysz = cnt = 0; (dp = readdir(dirp)) != NULL; ++cnt) {
+ if (cnt >= arraysz) {
+ arraysz += 100;
+ if ((ret = __os_realloc(dbenv,
+ arraysz * sizeof(names[0]), &names)) != 0)
+ goto nomem;
+ }
+ if ((ret = __os_strdup(dbenv, dp->d_name, &names[cnt])) != 0)
+ goto nomem;
+ }
+ (void)closedir(dirp);
+
+ *namesp = names;
+ *cntp = cnt;
+ return (0);
+
+nomem: if (names != NULL)
+ __os_dirfree(dbenv, names, cnt);
+ if (dirp != NULL)
+ (void)closedir(dirp);
+ return (ret);
+}
+
+/*
+ * __os_dirfree --
+ * Free the list of files.
+ *
+ * PUBLIC: void __os_dirfree __P((DB_ENV *, char **, int));
+ */
+void
+__os_dirfree(dbenv, names, cnt)
+ DB_ENV *dbenv;
+ char **names;
+ int cnt;
+{
+ if (DB_GLOBAL(j_dirfree) != NULL)
+ DB_GLOBAL(j_dirfree)(names, cnt);
+ else {
+ while (cnt > 0)
+ __os_free(dbenv, names[--cnt]);
+ __os_free(dbenv, names);
+ }
+}