3 * Dynamic string I/O for group elements
5 * (c) 2004 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 ------------------------------------------------------*/
32 /*----- Main code ---------------------------------------------------------*/
34 /* --- @group_readdstr@ --- *
36 * Arguments: @group *g@ = an abstract group
37 * @ge *d@ = destination group element
38 * @dstr *dd@ = string to read from
39 * @size_t *off@ = offset to start at (updated)
41 * Returns: Zero on success, nonzero on failure.
43 * Use: Parses a group element from a dynamic string.
46 int group_readdstr(group *g, ge *d, dstr *dd, size_t *off)
51 md.i = off ? *off : 0;
52 if (G_READ(g, d, &mptext_dstrops, &md))
58 /* --- @group_writedstr@ --- *
60 * Arguments: @group *g@ = an abstract group
61 * @ge *x@ = a group element
62 * @dstr *d@ = string to write to
63 * @size_t sz@ = how long the buffer is
65 * Returns: Zero on success, nonzero on failure.
67 * Use: Writes a group element to a dstr buffer.
70 int group_writedstr(group *g, ge *x, dstr *d)
75 if (G_WRITE(g, x, &mptext_dstrops, &md))
83 /*----- That's all, folks -------------------------------------------------*/