2 * This file is part of DisOrder
3 * Copyright (C) 2004, 2007, 2008 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 #define NO_MEMORY_ALLOCATION
22 /* because used from log.c */
32 struct fixedstr_sink {
39 static int fixedstr_write(struct sink *f, const void *buffer, int nbytes) {
40 struct fixedstr_sink *s = (struct fixedstr_sink *)f;
43 if((size_t)s->nbytes < s->size) {
44 if((size_t)nbytes > s->size - s->nbytes)
45 count = s->size - s->nbytes;
48 memcpy(s->buffer + s->nbytes, buffer, count);
54 int byte_vsnprintf(char buffer[],
58 struct fixedstr_sink s;
61 /* We have to make a sink directly here, since we can't safely do memory
62 * allocation here (we might be formatting the error message from a failed
63 * memory allocation) */
64 s.s.write = fixedstr_write;
68 n = byte_vsinkprintf(&s.s, fmt, ap);
70 /* add the null terminator (even if the printf failed) */
72 if((size_t)m >= bufsize) m = bufsize - 1;
78 int byte_snprintf(char buffer[], size_t bufsize, const char *fmt, ...) {
83 n = byte_vsnprintf(buffer, bufsize, fmt, ap);