2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or (at
5 * your option) any later version.
7 * This program is distributed in the hope that it will be useful, but
8 * WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17 * Copyright © 2006 Pierre Habouzit
21 * Copyright notice from original mutt:
22 * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
24 * This file is part of mutt-ng, see http://www.muttng.org/.
25 * It's licensed under the GNU General Public License,
26 * please see the file GPL in the top level source directory.
32 * Creates and initializes a BUFFER*. If passed an existing BUFFER*,
33 * just initializes. Frees anything already in the buffer.
35 * Disregards the 'destroy' flag, which seems reserved for caller.
36 * This is bad, but there's no apparent protocol for it.
38 BUFFER *mutt_buffer_init(BUFFER *b)
49 * Creates and initializes a BUFFER*. If passed an existing BUFFER*,
50 * just initializes. Frees anything already in the buffer. Copies in
53 * Disregards the 'destroy' flag, which seems reserved for caller.
54 * This is bad, but there's no apparent protocol for it.
56 BUFFER *mutt_buffer_from(BUFFER * b, const char *seed)
61 b = mutt_buffer_init(b);
62 b->dsize = m_strlen(seed);
63 b->data = m_strdup(seed);
64 b->dptr = (char *)b->data + b->dsize;
68 void mutt_buffer_free(BUFFER **p)
71 p_delete(&(*p)->data);
76 /* dynamically grows a BUFFER to accomodate s, in increments of 128 bytes.
77 * Always one byte bigger than necessary for the null terminator, and
78 * the buffer is always null-terminated */
79 void mutt_buffer_add(BUFFER *buf, const char *s, ssize_t len)
83 if (buf->dptr + len + 1 > buf->data + buf->dsize) {
84 offset = buf->dptr - buf->data;
85 buf->dsize += ((len + 1 + 127) & ~127);
86 p_realloc(&buf->data, buf->dsize);
87 buf->dptr = buf->data + offset;
89 memcpy(buf->dptr, s, len);