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/* 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
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