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Diffstat (limited to 'db2/os/os_dir.c')
-rw-r--r--db2/os/os_dir.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/db2/os/os_dir.c b/db2/os/os_dir.c
new file mode 100644
index 0000000000..10fb8b6739
--- /dev/null
+++ b/db2/os/os_dir.c
@@ -0,0 +1,100 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_dir.c 10.13 (Sleepycat) 10/28/97";
+#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
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "common_ext.h"
+
+/*
+ * __os_dirlist --
+ * Return a list of the files in a directory.
+ *
+ * PUBLIC: int __os_dirlist __P((const char *, char ***, int *));
+ */
+int
+__os_dirlist(dir, namesp, cntp)
+ const char *dir;
+ char ***namesp;
+ int *cntp;
+{
+ struct dirent *dp;
+ DIR *dirp;
+ int arraysz, cnt;
+ char **names;
+
+ if ((dirp = opendir(dir)) == NULL)
+ return (errno);
+ names = NULL;
+ for (arraysz = cnt = 0; (dp = readdir(dirp)) != NULL; ++cnt) {
+ if (cnt >= arraysz) {
+ arraysz += 100;
+ names = (char **)(names == NULL ?
+ __db_malloc(arraysz * sizeof(names[0])) :
+ __db_realloc(names, arraysz * sizeof(names[0])));
+ if (names == NULL)
+ goto nomem;
+ }
+ if ((names[cnt] = (char *)__db_strdup(dp->d_name)) == NULL)
+ goto nomem;
+ }
+ (void)closedir(dirp);
+
+ *namesp = names;
+ *cntp = cnt;
+ return (0);
+
+nomem: if (names != NULL)
+ __os_dirfree(names, cnt);
+ return (ENOMEM);
+}
+
+/*
+ * __os_dirfree --
+ * Free the list of files.
+ *
+ * PUBLIC: void __os_dirfree __P((char **, int));
+ */
+void
+__os_dirfree(names, cnt)
+ char **names;
+ int cnt;
+{
+ while (cnt > 0)
+ __db_free(names[--cnt]);
+ __db_free(names);
+}