adding zephyr-im master branch

zwgc/notice.h

@@ -0,0 +1,75 @@
+/* This file is part of the Project Athena Zephyr Notification System.
+ * It is one of the source files comprising zwgc, the Zephyr WindowGram
+ * client.
+ *
+ *      Created by:     Marc Horowitz <marc@athena.mit.edu>
+ *
+ *      $Id$
+ *
+ *      Copyright (c) 1989 by the Massachusetts Institute of Technology.
+ *      For copying and distribution information, see the file
+ *      "mit-copyright.h".
+ */
+
+
+#include <zephyr/mit-copyright.h>
+
+#ifndef notice_MODULE
+#define notice_MODULE
+
+#include <zephyr/zephyr.h>
+#include "new_string.h"
+
+/*
+ *    int count_nulls(char *data, int length)
+ *        Requires: length>=0
+ *        Effects: Returns the # of nulls in data[0]..data[length-1]
+ */
+
+extern int count_nulls(char *, int);
+
+/*
+ *    string get_next_field(char **data_p, int *length_p)
+ *        Requires: *length_p >= 0
+ *        Modifies: *data_p, *length_p
+ *        Effects: Treats (*data_p)[0], (*data_p)[1], ... (*data_p)[length-1]
+ *                 as a series of null-seperated fields.  This function
+ *                 returns a copy of the first field on the heap.  This
+ *                 string must eventually be freed.  Also, *data_p is
+ *                 advanced and *length_p decreased so that another
+ *                 call to this procedure with the same arguments will
+ *                 return the second field.  The next call will return
+ *                 the third field, etc.  "" is returned if 0 fields
+ *                 remain.  (this is the case when *length_p == 0)
+ */
+
+extern string get_next_field(char **, int *);
+
+/*
+ *    string get_field(char *data, int length, int num)
+ *        Requires: length>=0, num>0
+ *        Effects: Treats data[0]..data[length-1] as a series of
+ *                 null-seperated fields.  This function returns a copy of
+ *                 the num'th field (numbered from 1 in this case) on the
+ *                 heap.  This string must eventually be freed.  If there
+ *                 is no num'th field (because num<1 or num># of fields),
+ *                 "" is returned.
+ */
+
+extern string get_field(char *, int, int);
+
+/*
+ *    string convert_nulls_to_newlines(data, length)
+ *       Requires: length>=0, malloc never returns NULL
+ *       Effects: Takes data[0]..data[length-1], converts all nulls to
+ *                newlines ('\n') and returns the result as a null-terminated
+ *                string on the heap.  The returned string must eventually
+ *                be freed.
+ */
+
+extern string convert_nulls_to_newlines(char *, int);
+
+
+extern char *decode_notice(ZNotice_t *, char *);
+
+#endif