3 * Reading and writing large integers on strings
5 * (c) 1999 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of Catacomb.
12 * Catacomb is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
17 * Catacomb is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
22 * You should have received a copy of the GNU Library General Public
23 * License along with Catacomb; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
28 /*----- Header files ------------------------------------------------------*/
30 #include <mLib/dstr.h>
34 /*----- Main code ---------------------------------------------------------*/
36 /* --- Operations table --- */
38 static int get(void *p
)
40 mptext_dstrctx
*c
= p
;
41 if (c
->i
>= c
->d
->len
)
43 return ((unsigned char)c
->d
->buf
[c
->i
++]);
46 static void unget(int ch
, void *p
)
48 mptext_dstrctx
*c
= p
;
49 if (ch
== EOF
|| c
->i
== 0)
54 static int put(const char *s
, size_t sz
, void *p
)
56 mptext_dstrctx
*c
= p
;
61 const mptext_ops mptext_dstrops
= { get
, unget
, put
};
63 /* --- Convenience functions --- */
65 mp
*mp_readdstr(mp
*m
, dstr
*d
, size_t *off
, int radix
)
70 m
= mp_read(m
, radix
, &mptext_dstrops
, &c
);
76 int mp_writedstr(mp
*m
, dstr
*d
, int radix
)
81 rc
= mp_write(m
, radix
, &mptext_dstrops
, &c
);
86 /*----- That's all, folks -------------------------------------------------*/