prepared recipient list support

include/pcp/plist.h

@@ -0,0 +1,55 @@
+/*
+    This file is part of Pretty Curved Privacy (pcp1).
+
+    Copyright (C) 2013 T. von Dein.
+
+    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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+
+    You can contact me by mail: <tlinden AT cpan DOT org>.
+*/
+
+
+// used for recipient- or keyid lists
+
+#ifndef _HAVE_PCP_PLIST_H
+#define _HAVE_PCP_PLIST_H
+
+#include <stdlib.h>
+
+struct _plist_t {
+  char *value;
+  struct _plist_t *next;
+};
+
+typedef struct _plist_t plist_t;
+
+static inline void p_add(plist_t **lst, char *value) {
+  plist_t *newitem;
+  plist_t *lst_iter = *lst;
+
+  newitem = (plist_t *)malloc(sizeof(plist_t));
+  newitem->value = malloc(strlen(value) + 1);
+  strncpy(newitem->value, value, strlen(value) + 1);
+  newitem->next = NULL;
+  
+  if ( lst_iter != NULL ) {
+    while (lst_iter->next != NULL )
+      lst_iter = lst_iter->next;
+    lst_iter->next = newitem;
+  }
+  else
+    *lst = newitem;
+}
+
+#endif // _HAVE_PCP_PLIST_H