1 files changed, 108 insertions, 0 deletions
diff --git a/mailbox/nntp/nntp_group.c b/mailbox/nntp/nntp_group.c
new file mode 100644
index 000000000..534f6396b
--- /dev/null
+++ b/mailbox/nntp/nntp_group.c
@@ -0,0 +1,108 @@
+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <mailutils/sys/nntp.h>
+
+int
+mu_nntp_group (mu_nntp_t nntp, const char *group, unsigned long *total, unsigned long *low, unsigned long *high, char **name)
+{
+  int status;
+
+  if (nntp == NULL)
+    return EINVAL;
+  if (group == NULL || *group == '\0')
+    return MU_ERR_OUT_PTR_NULL;
+
+  switch (nntp->state)
+    {
+    case MU_NNTP_NO_STATE:
+      status = mu_nntp_writeline (nntp, "GROUP %s\r\n", group);
+      MU_NNTP_CHECK_ERROR (nntp, status);
+      mu_nntp_debug_cmd (nntp);
+      nntp->state = MU_NNTP_GROUP;
+
+    case MU_NNTP_GROUP:
+      status = mu_nntp_send (nntp);
+      MU_NNTP_CHECK_EAGAIN (nntp, status);
+      nntp->acknowledge = 0;
+      nntp->state = MU_NNTP_GROUP_ACK;
+
+    case MU_NNTP_GROUP_ACK:
+      status = mu_nntp_response (nntp, NULL, 0, NULL);
+      MU_NNTP_CHECK_EAGAIN (nntp, status);
+      mu_nntp_debug_ack (nntp);
+      MU_NNTP_CHECK_CODE (nntp, MU_NNTP_RESP_CODE_GROUP_SELECTED);
+      nntp->state = MU_NNTP_NO_STATE;
+
+      /* parse group.  */
+      status = mu_nntp_parse_group (nntp, MU_NNTP_RESP_CODE_GROUP_SELECTED, total, low, high, name);
+      MU_NNTP_CHECK_ERROR (nntp, status);
+      break;
+
+      /* They must deal with the error first by reopening.  */
+    case MU_NNTP_ERROR:
+      status = ECANCELED;
+      break;
+
+    default:
+      status = EINPROGRESS;
+    }
+
+  return status;
+}
+
+
+int
+mu_nntp_parse_group(mu_nntp_t nntp, int code, unsigned long *ptotal, unsigned long *plow, unsigned long *phigh, char **name)
+{
+  unsigned long dummy = 0;
+  char *buf;
+  char format[24];
+
+  if (ptotal == NULL)
+    ptotal = &dummy;
+  if (plow == NULL)
+    plow = &dummy;
+  if (phigh == NULL)
+    phigh = &dummy;
+
+  /* An nntp response is not longer then 512.  */
+  buf = calloc(1, 512);
+  if (buf == NULL)
+    {
+      return ENOMEM;
+    }
+
+  sprintf (format, "%d %%d %%d %%d %%%ds", code, 511);
+  sscanf (nntp->ack.buf, format, ptotal, plow, phigh, buf);
+  if (name)
+    {
+      *name = buf;
+    }
+  else
+    {
+      free (buf);
+    }
+  return 0;
+}