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-rw-r--r--libftpconn/stats.c80
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diff --git a/libftpconn/stats.c b/libftpconn/stats.c
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+/* 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. If CONTENTS is true, NAME must
+ refer to a directory, and the contents will be returned, otherwise, the
+ (single) result will refer to NAME. */
+error_t
+ftp_conn_start_get_stats (struct ftp_conn *conn,
+ const char *name, int contents,
+ int *fd, void **state)
+{
+ if (conn->syshooks.start_get_stats)
+ return
+ (*conn->syshooks.start_get_stats) (conn, name, contents, 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 CONTENTS is true, NAME must refer to a
+ directory, and the contents will be returned, otherwise, the (single)
+ result will refer to NAME. This function may block. */
+error_t
+ftp_conn_get_stats (struct ftp_conn *conn,
+ const char *name, int contents,
+ ftp_conn_add_stat_fun_t add_stat, void *hook)
+{
+ int fd;
+ void *state;
+ error_t err = ftp_conn_start_get_stats (conn, name, contents, &fd, &state);
+
+ if (err)
+ return err;
+
+ do
+ err = ftp_conn_cont_get_stats (conn, fd, state, add_stat, hook);
+ while (err == EAGAIN);
+
+ return err;
+}