1 /* A simple growing buffer for GDB.
3 Copyright (C) 2009-2013 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
30 size_t buffer_size
; /* allocated size */
31 size_t used_size
; /* actually used size */
34 /* Append DATA of size SIZE to the end of BUFFER. Grows the buffer to
35 accommodate the new data. */
36 void buffer_grow (struct buffer
*buffer
, const char *data
, size_t size
);
38 /* Release any memory held by BUFFER. */
39 void buffer_free (struct buffer
*buffer
);
41 /* Initialize BUFFER. BUFFER holds no memory afterwards. */
42 void buffer_init (struct buffer
*buffer
);
44 /* Return a pointer into BUFFER data, effectivelly transfering
45 ownership of the buffer memory to the caller. Calling buffer_free
46 afterwards has no effect on the returned data. */
47 char* buffer_finish (struct buffer
*buffer
);
49 /* Simple printf to buffer function. Current implemented formatters:
50 %s - grow an xml escaped text in BUFFER.
51 %d - grow an signed integer in BUFFER.
52 %u - grow an unsigned integer in BUFFER.
53 %x - grow an unsigned integer formatted in hexadecimal in BUFFER.
54 %o - grow an unsigned integer formatted in octal in BUFFER. */
55 void buffer_xml_printf (struct buffer
*buffer
, const char *format
, ...)
56 ATTRIBUTE_PRINTF (2, 3);
58 #define buffer_grow_str(BUFFER,STRING) \
59 buffer_grow (BUFFER, STRING, strlen (STRING))
60 #define buffer_grow_str0(BUFFER,STRING) \
61 buffer_grow (BUFFER, STRING, strlen (STRING) + 1)
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