Initial checkin

1 files changed, 85 insertions, 0 deletions

diff --git a/libftpconn/stats.c b/libftpconn/stats.c
new file mode 100644
index 00000000..d6e6ebd1
--- /dev/null
+++ b/libftpconn/stats.c
@@ -0,0 +1,85 @@
+/* Fetch file stats
+
+   Copyright (C) 1997 Free Software Foundation, Inc.
+
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <unistd.h>
+#include <errno.h>
+
+#include <ftpconn.h>
+
+/* Start an operation to get a list of file-stat structures for NAME (this
+   is often similar to ftp_conn_start_dir, but with OS-specific flags), and
+   return a file-descriptor for reading on, and a state structure in STATE
+   suitable for passing to cont_get_stats.  FORCE_DIR controls what happens if
+   NAME refers to a directory: if FORCE_DIR is false, STATS will contain
+   entries for all files *in* NAME, and if FORCE_DIR is true, it will
+   contain just a single entry for NAME itself (or an error will be
+   returned when this isn't possible).  */
+error_t
+ftp_conn_start_get_stats (struct ftp_conn *conn,
+			  const char *name, int force_dir,
+			  int *fd, void **state)
+{
+  if (conn->syshooks.start_get_stats)
+    return
+      (*conn->syshooks.start_get_stats) (conn, name, force_dir, fd, state);
+  else
+    return EOPNOTSUPP;
+}
+
+/* Read stats information from FD, calling ADD_STAT for each new stat (HOOK
+   is passed to ADD_STAT).  FD and STATE should be returned from
+   start_get_stats.  If this function returns EAGAIN, then it should be
+   called again to finish the job (possibly after calling select on FD); if
+   it returns 0, then it is finishe,d and FD and STATE are deallocated.  */
+error_t
+ftp_conn_cont_get_stats (struct ftp_conn *conn, int fd, void *state,
+			 ftp_conn_add_stat_fun_t add_stat, void *hook)
+{
+  if (conn->syshooks.cont_get_stats)
+    return (*conn->syshooks.cont_get_stats) (conn, fd, state, add_stat, hook);
+  else
+    return EOPNOTSUPP;
+}
+
+/* Get a list of file-stat structures for NAME, calling ADD_STAT for each one
+   (HOOK is passed to ADD_STAT).  If NAME refers to an ordinary file, a
+   single entry for it is returned for it; if NAME refers to a directory,
+   then if FORCE_DIR is false, STATS will contain entries for all files *in*
+   NAME, and if FORCE_DIR is true, it will contain just a single entry for
+   NAME itself (or an error will be returned when this isn't possible).  This
+   function may block.  */
+error_t
+ftp_conn_get_stats (struct ftp_conn *conn,
+		    const char *name, int force_dir,
+		    ftp_conn_add_stat_fun_t add_stat, void *hook)
+{
+  int fd;
+  void *state;
+  error_t err = ftp_conn_start_get_stats (conn, name, force_dir, &fd, &state);
+
+  if (err)
+    return err;
+
+  do
+    err = ftp_conn_cont_get_stats (conn, fd, state, add_stat, hook);
+  while (err == EAGAIN);
+
+  return err;
+}