1 files changed, 59 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libunix/walk.c b/gnu/libexec/uucp/libunix/walk.c
new file mode 100644
index 000000000000..ab96123127dd
--- /dev/null
+++ b/gnu/libexec/uucp/libunix/walk.c
@@ -0,0 +1,59 @@
+/* walk.c
+   Walk a directory tree.  */
+
+#include "uucp.h"
+
+#include "uudefs.h"
+#include "sysdep.h"
+#include "system.h"
+
+#if HAVE_FTW_H
+#include <ftw.h>
+#endif
+
+static int iswalk_dir P((const char *zname, const struct stat *qstat,
+			 int iflag));
+
+/* Walk a directory tree.  */
+
+static size_t cSlen;
+static void (*puSfn) P((const char *zfull, const char *zrelative,
+			pointer pinfo));
+static pointer pSinfo;
+
+boolean
+usysdep_walk_tree (zdir, pufn, pinfo)
+     const char *zdir;
+     void (*pufn) P((const char *zfull, const char *zrelative,
+		     pointer pinfo));
+     pointer pinfo;
+{
+  cSlen = strlen (zdir) + 1;
+  puSfn = pufn;
+  pSinfo = pinfo;
+  return ftw ((char *) zdir, iswalk_dir, 5) == 0;
+}
+
+/* Pass a file found in the directory tree to the system independent
+   function.  */
+
+/*ARGSUSED*/
+static int
+iswalk_dir (zname, qstat, iflag)
+     const char *zname;
+     const struct stat *qstat;
+     int iflag;
+{
+  char *zcopy;
+
+  if (iflag != FTW_F)
+    return 0;
+
+  zcopy = zbufcpy (zname + cSlen);
+
+  (*puSfn) (zname, zcopy, pSinfo);
+
+  ubuffree (zcopy);
+
+  return 0;
+}